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Aug

21.

8.22.25 Sunny and a bit warmer today (getting HOT), then it really gets HOT for 6 days.

An Upper Level High Pressure Ridge formed a heat dome over the Pacific Northwest. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Monday through Friday show a cold front stretched along the West Coast next Friday.

ADVISORIES:

AN EXTREME HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 5 AM TUESDAY FOR LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, BENTON COUNTY LOWLANDS, LINN COUNTY LOWLANDS, LANE COUNTY LOWLANDS, WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY, AND THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, CLACKAMAS COUNTY CASCADE FOOTHILLS, CASCADE FOOTHILLS OF LINN AND MARION COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
A HEAT ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 5 AM TUESDAY FOR NORTHERN OREGON COAST RANGE LOWLANDS, CENTRAL OREGON COAST RANGE LOWLANDS, NORTH OREGON CASCADES, CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL UNTIL 8 PM SATURDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 8 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, AND EASTERN DOUGLAS FOOTHILLS.AN EXTREME HEAT WATCH IS IN EFFECT
AN EXTREME HEAT WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 8 PM SATURDAY FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
AN EXTREME HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.21.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Sunny and a bit warmer, (HOT), today, mostly clear tonight,
Mostly sunny and slightly cooler, (HOT), Saturday, partly cloudy at night,
Mostly sunny and a bit cooler Sunday,(HOT), partly cloudy in the evening, then mostly clear late Sunday night.
highs 100-93 lows near 60.
Sunny and a bit warmer Monday, (HOT), mostly clear Monday night,
Sunny and slightly cooler ,(HOT), Tuesday, mostly clear both nights,
Sunny and slightly cooler,(HOT), Wednesday, partly cloudy Wednesday night,
Then mostly sunny and a bit cooler Thursday.
highs 95-88 lows 60-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

Sunny today, mostly clear this evening, partly cloudy late tonight,
Mostly cloudy start, partly cloudy Saturday afternoon, mostly cloudy at night,
Partly cloudy Sunday, then partly cloudy Sunday night.
highs 93-98 lows 64-65 cooling to 63 Sunday night.
Mostly sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy Wednesday night,
AM clouds, then sunny Thursday.
highs lows
(seasonal averages high 85 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Sunny and warmer today, mostly clear this evening, partly cloudy late tonight,
Mostly cloudy start, partly cloudy and a bit cooler Saturday afternoon, mostly cloudy at night,
Partly cloudy and a bit cooler Sunday, then partly cloudy Sunday night.
highs 79-76 lows 56-58.
Partly cloudy Monday and Monday night,
Partly cloudy and a bit cooler Tuesday, night,
Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late Wednesday night,
AM clouds, then sunny and a bit cooler Thursday.
highs 76-77 cooling to 75 Thursday lows near 57.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Sunny and a bit warmer,(Warm), today, mostly clear tonight,
Mostly sunny, (Warm), Saturday, mostly cloudy in the evening, partly cloudy late at night,
Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night.
free air freezing level 15,000 ft. rising to 16,000 ft. late tonight, 15,000 ft.rising to 16,000 ft. Friday afternoon, 16,000 ft. falling to 15,000 ft. late Saturday night, then 15,000 ft. Sunday and Sunday night.
highs 89-85 lows 59-62 cooling to 59 Sunday night.
Sunny and a bit cooler Monday and Tuesday, partly cloudy both nights,
Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday and in the evening, partly cloudy with a slight (20%) chance of thunderstorms Wednesday night,
Then mostly sunny and a bit cooler Thursday.
free air freezing level 15,000 ft. Monday through Wednesday night, then 14,000 ft. Thursday.
highs 84-76 lows 57-54.

______

Aug

21.

8.21.25 Clear tonight, Sunny and beginning 6 hot days Friday.

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Category: Uncategorized

An Upper Level High Pressure Ridge formed a heat dome over the Pacific Northwest. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Monday through Friday show a cold front stretched along the West Coast next Friday.

ADVISORIES:

A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.
A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WARM SPRINGS RESERVATION.
AN EXTREME HEAT WARNING IS IN EFFECT FROM 11 AM FRIDAY UNTIL 5 AM TUESDAY FOR LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, BENTON COUNTY LOWLANDS, LINN COUNTY LOWLANDS, LANE COUNTY LOWLANDS, WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY, AND THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, CLACKAMAS COUNTY CASCADE FOOTHILLS, CASCADE FOOTHILLS OF LINN AND MARION COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
A HEAT ADVISORY IS IN EFFECT FROM 11 AM FRIDAY UNTIL 5 AM TUESDAY FOR NORTHERN OREGON COAST RANGE LOWLANDS, CENTRAL OREGON COAST RANGE LOWLANDS, NORTH OREGON CASCADES, CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL UNTIL 8 PM SATURDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, AND EASTERN DOUGLAS FOOTHILLS.AN EXTREME HEAT WATCH IS IN EFFECT
AN EXTREME HEAT WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR THE SISKIYOU MOUNTAINS AND THE SOUTHERN OREGON CASCADES.
AN EXTREME HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 43 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 45 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.21.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Clear tonight,
Sunny and a bit warmer, (HOT), Friday, mostly clear Friday night,
Mostly sunny and slightly cooler, (HOT), Saturday, partly cloudy at night,
Mostly sunny and a bit cooler Sunday,(HOT), partly cloudy in the evening, then mostly clear late Sunday night.
lows 56-60 highs 100-93.
Sunny and a bit warmer Monday, (HOT), mostly clear Monday night,
Sunny and slightly cooler ,(HOT), Tuesday, mostly clear both nights,
Sunny and slightly cooler,(HOT), Wednesday, partly cloudy Wednesday night,
Then mostly sunny and a bit cooler Thursday.
highs 95-88 lows 60-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

Mostly clear tonight,
Sunny Friday, mostly clear in the evening, partly cloudy late Friday night,
Mostly cloudy start, partly cloudy Saturday afternoon, mostly cloudy at night,
Partly cloudy Sunday, then partly cloudy Sunday night.
lows 62-65 highs 93-98.
Mostly sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy Wednesday night,
AM clouds, then sunny Thursday.
highs lows
(seasonal averages high 85 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Mostly clear tonight,
Sunny and warmer Friday, mostly clear in the evening, partly cloudy late Friday night,
Mostly cloudy start, partly cloudy and a bit cooler Saturday afternoon, mostly cloudy at night,
Partly cloudy and a bit cooler Sunday, then partly cloudy Sunday night.
lows 55-58 highs 79-76.
Partly cloudy Monday and Monday night,
Partly cloudy and a bit cooler Tuesday, night,
Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late Wednesday night,
AM clouds, then sunny and a bit cooler Thursday.
highs 76-77 cooling to 75 Thursday lows near 57.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Clear tonight,
Sunny and a bit warmer,(Warm), Friday, mostly clear Friday night,
Mostly sunny, (Warm), Saturday, mostly cloudy in the evening, partly cloudy late at night,
Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night.
free air freezing level 15,000 ft. rising to 16,000 ft. late tonight, 15,000 ft.rising to 16,000 ft. Friday afternoon, 16,000 ft. falling to 15,000 ft. late Saturday night, then 15,000 ft. Sunday and Sunday night.
lows 55-62 cooling to 59 Sunday night highs 89-85.
Sunny and a bit cooler Monday and Tuesday, partly cloudy both nights,
Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday and in the evening, partly cloudy with a slight (20%) chance of thunderstorms Wednesday night,
Then mostly sunny and a bit cooler Thursday.
free air freezing level 15,000 ft. Monday through Wednesday night, then 14,000 ft. Thursday.
highs 84-76 lows 57-54.

______

Aug

20.

8.21.25 Sunny and a bit warmer (HOT) today for your Thursday. Short-lived heat wave begins.

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Category: Uncategorized

An Upper Level High Pressure Ridge forms a heat dome over the Pacific Northwest. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Sunday through Thursday show a cold front moving in next Monday and Tuesday, then another front approaches the area next Thursday.

ADVISORIES:

A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 8 PM TODAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.
A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE WARM SPRINGS RESERVATION.
AN EXTREME HEAT WATCH IS IN EFFECT FROM EARLY AFTERNOON FRIDAY MORNING THROUGH LATE SATURDAY NIGHT FOR EAST PORTLAND METRO, THE WESTERN COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY,
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS FOOTHILLS, SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
AN EXTREME HEAT WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, JACKSON COUNTY, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
AN EXTREME HEAT WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH LATE SUNDAY NIGHT FOR THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
AN EXTREME HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 21 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Sunny and a bit warmer (HOT) today, clear tonight,
Sunny and a bit warmer (HOT) Friday, mostly clear at night,
Mostly sunny and a bit cooler, still very warm, Saturday, partly cloudy Saturday night.
highs 92-98 cooling to 95 Saturday lows 56-60.
Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
Sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Then mostly sunny and a bit cooler Wednesday.
highs 96-89 lows 59-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

Sunny and a bit warmer (HOT) today and Friday, clear both nights,
Partly cloudy Saturday, then partly cloudy Saturday night.
highs 93-98 lows 62-65.
Mostly sunny Sunday, mostly clear Sunday night,
Mostly sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Some AM clouds, then sunny and a bit cooler Wednesday afternoon.
highs near 97-92 lows 63-62 (seasonal averages high 85 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Sunny and a bit warmer today, mostly clear tonight,
Some AM clouds, sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
Mostly cloudy start, partly cloudy and a bit warmer Saturday afternoon, then mostly cloudy Saturday night.
highs 76-77 cooling back to 76 Saturday lows 55-57.
Partly cloudy Sunday through Monday night,
Then partly cloudy and a bit cooler Tuesday through Wednesday.
highs 76-74 lows 57-56.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Sunny and a bit warmer today, clear tonight,
Sunny Friday, mostly clear at night,
Mostly sunny and a bit cooler Saturday, then partly cloudy Saturday night.
free air freezing level 15,000 ft. today, 15,000 ft. rising to 16,000 ft. late tonight, then 16,000 ft. Friday through Saturday night.
highs 83-89 lows 55-60.
Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, clear Sunday night,
Sunny and a bit cooler Monday and Tuesday, partly cloudy with a slight (20%) chance of thunderstorms both nights,
Then mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday.
free air freezing level 15,000 ft. Sunday through Tuesday night, then 14,000 ft. Wednesday.
highs 86-79 lows 58-56.

______

Aug

20.

08.20.25 Clear tonight. Getting above normal Hot tomorrow for your Thursday.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge forms a heat dome over the Pacific Northwest. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday and Tuesday.

ADVISORIES:

A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 8 PM THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.
A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE WARM SPRINGS RESERVATION.
AN EXTREME HEAT WATCH IS IN EFFECT FROM EARLY AFTERNOON FRIDAY MORNING THROUGH LATE SATURDAY NIGHT FOR EAST PORTLAND METRO, THE WESTERN COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY,A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS FOOTHILLS, SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
AN EXTREME HEAT WARNING IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, JACKSON COUNTY, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
AN EXTREME HEAT WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH LATE SUNDAY NIGHT FOR THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
AN EXTREME HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
A HEAT ADVISORY IS IN EFFECT FROM 1 PM FRIDAY UNTIL 8 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 35 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Clear tonight,
Sunny and a bit warmer (HOT) Thursday, clear Thursday night,
Sunny and a bit warmer (HOT) Friday, mostly clear at night,
Mostly sunny and a bit cooler, still very warm, Saturday, partly cloudy Saturday night.
lows 52-57 highs 92-98 cooling to 95 Saturday.
Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
Sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Then mostly sunny and a bit cooler Wednesday.
highs 96-89 lows 59-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

Clear tonight,
Sunny and a bit warmer (HOT) Thursday and Friday, clear both nights,
Partly cloudy and a bit cooler Saturday, then partly cloudy Saturday night.
lows 59-62 highs 88-99.
Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
Mostly sunny and a bit cooler Monday and Tuesday, mostly clear both nights,
Some AM clouds, then sunny Wednesday afternoon.
highs near 97-92 lows 63-62 (seasonal averages high 85 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Clear tonight,
Sunny and a bit warmer Thursday, mostly clear Thursday night,
Some AM clouds, sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
Mostly cloudy start, partly cloudy and a bit warmer Saturday afternoon, then mostly cloudy Saturday night.
lows 54-57 highs 76-77 cooling back to 76 Saturday.
Partly cloudy Sunday through Monday night,
Then partly cloudy and a bit cooler Tuesday through Wednesday.
highs 76-74 lows 57-56.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Clear tonight,
Sunny and a bit warmer Thursday, clear Thursday night,
Sunny Friday, mostly clear at night,
Mostly sunny and a bit cooler Saturday, then partly cloudy Saturday night.
free air freezing level 14,000 ft. rising to 15,000 ft. late tonight, 15,000 ft. Thursday, 15,000 ft. rising to 16,000 ft. late Thursday night, then 16,000 ft. Friday through Saturday night.
lows 49-60 highs 83-89.
Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, clear Sunday night,
Sunny and a bit cooler Monday and Tuesday, partly cloudy with a slight (20%) chance of thunderstorms both nights,
Then mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday.
free air freezing level 15,000 ft. Sunday through Tuesday night, then 14,000 ft. Wednesday.
highs 86-79 lows 58-56.

______

Aug

19.

8.20.25 Sunny and a bit warmer today for your Wednesday. Be ready for a heat wave.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge brings sunshine and slowly warming temperatures to above normal. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday and Tuesday.

ADVISORIES:

AN EXTREME HEAT WATCH IS IN EFFECT FROM EARLY AFTERNOON FRIDAY THROUGH LATE SATURDAY NIGHT FOR EAST PORTLAND METRO, THE WESTERN COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY,
A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN WILLAMETTE VALLEY.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 21 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Sunny and a bit warmer today and Thursday, clear both nights,
Sunny and a bit warmer Friday, then mostly clear Friday night.
highs 86-97 lows 52-57.
Sunny and a bit cooler Saturday, partly cloudy in the evening, clear Saturday night,
Sunny and a bit cooler Sunday, clear at night,
Sunny and a bit cooler Monday, mostly clear Monday night,
Then sunny and a bit cooler Tuesday.
highs 96-90 lows 58-57. (seasonal averages high 84 low 51).

Forecast for the Umpqua Valley including Roseburg:

Sunny and a bit warmer today, clear tonight,
Then sunny and a bit warmer Thursday and Friday, clear both nights.
highs 88-99 lows 59-62.
Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
Then sunny and a bit cooler Monday and Tuesday, mostly clear Monday night.
highs near 97-92 lows 63-62 (seasonal averages high 85 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Some AM clouds, sunny and a bit warmer today, mostly clear tonight,
Sunny and a bit warmer Thursday, mostly clear at night,
Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
highs near 76 lows 54-56.
Partly cloudy and a bit cooler Saturday, partly cloudy Saturday night,
Partly cloudy Sunday through Tuesday.
highs 76-74 lows near 57.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Sunny and a bit warmer today, clear tonight,
Sunny and warmer Thursday, clear at night,
Sunny and a bit warmer Friday, then mostly clear Friday night.
free air freezing level 13,000 ft. today, 14,000 ft. rising to 15,000 ft. late tonight, 15,000 ft. Thursday, 14,000 ft. rising to 15,000 ft. Thursday night, then 16,000 ft. Friday and Friday night.
highs 72-89 lows 49-57.
Sunny and a bit cooler Saturday, partly cloudy in the evening, mostly clear late Saturday night,
Sunny and a bit cooler Sunday and Monday, mostly clear both nights,
Then sunny and a bit cooler Tuesday.
free air freezing level 16,000 ft. Saturday and Saturday night, then 15,000 ft. Sunday through Tuesday.
highs 88-82 lows 58-55.

______

Aug

19.

8.19.25 Mostly clear tonight, then the warming continues.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge brings sunshine and slowly warming temperatures to above normal. The graphics for days 1-3 show a cold frontal system sliding in between tonight and Wednesday. The graphics for days 3-7 Friday through Tuesday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday and Tuesday.

ADVISORIES:

NONE AT THIS TIME.

HEALTH ADVISORIES:

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ODEL LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS. *
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 30 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 31 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Mostly clear tonight,
Sunny and a bit warmer Wednesday and Thursday, clear both nights,
Sunny and a bit warmer Friday, then mostly clear Friday night.
lows 55-52 warming to 57 Friday night highs 86-97.
Sunny and a bit cooler Saturday, partly cloudy in the evening, clear Saturday night,
Sunny and a bit cooler Sunday, clear at night,
Sunny and a bit cooler Monday, mostly clear Monday night,
Then sunny and a bit cooler Tuesday.
highs 96-90 lows 58-57. (seasonal averages high 84 low 51).

________________

Forecast for the Umpqua Valley including Roseburg:

Mostly clear tonight,
Sunny and a bit warmer Wednesday, clear Wednesday night,
Then sunny and a bit warmer Thursday and Friday, clear both nights.
lows 58-62 highs 88-99.
Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
Then sunny and a bit cooler Monday and Tuesday, mostly clear Monday night.
highs near 97-92 lows 63-62 (seasonal averages high 86 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Partly cloudy this evening, mostly cloudy late tonight,
Some AM clouds, sunny and a bit warmer Wednesday, mostly clear Wednesday night,
Sunny and a bit warmer Thursday, mostly clear at night,
Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
lows 57-54 warming to 56 Friday night highs near 76.
Partly cloudy and a bit cooler Saturday, partly cloudy Saturday night,
Partly cloudy Sunday through Tuesday.
highs 76-74 lows near 57.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Mostly clear tonight,
Sunny and a bit warmer Wednesday, clear Wednesday night,
Sunny and warmer Thursday, clear at night,
Sunny and a bit warmer Friday, then mostly clear Friday night.
free air freezing level 13,000 ft. tonight and Wednesday, 14,000 ft. rising to 15,000 ft. late Wednesday night, 15,000 ft. Thursday, 14,000 ft. rising to 15,000 ft. Thursday night, then 16,000 ft. Friday and Friday night.
lows 45-57 highs 72-89.
Sunny and a bit cooler Saturday, partly cloudy in the evening, mostly clear late Saturday night,
Sunny and a bit cooler Sunday and Monday, mostly clear both nights,
Then sunny and a bit cooler Tuesday.
free air freezing level 16,000 ft. Saturday and Saturday night, then 15,000 ft. Sunday through Tuesday.
highs 88-82 lows 58-55.

______

Aug

18.

8.19.25 Sunny and a bit warmer today for your Tuesday. More summertime temps on the way.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge brings sunshine and slowly warming temperatures. The graphics for days 1-3 show a cold frontal system sliding in between today and tonight. The graphics for days 3-7 Friday through Tuesday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday and Tuesday.

ADVISORIES:

NONE AT THIS TIME.

HEALTH ADVISORIES:

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Sunny and a bit warmer today, partly cloudy this evening, mostly clear late tonight,
Sunny and a bit warmer Wednesday, clear at night,
Sunny and a bit warmer Thursday, then clear Thursday night.
highs 84-92 lows 54-56.
Sunny and a bit warmer Friday and Saturday, mostly clear Friday night,
Sunny Saturday, mostly clear at night,
Then sunny and a bit cooler Sunday and Monday, mostly clear Sunday night.
highs 93-88 lows 57-56. (seasonal averages high 84 low 51).

________________

Forecast for the Umpqua Valley including Roseburg:

Sunny and a bit warmer today, clear tonight,
Sunny and a bit warmer Wednesday, clear at night,
Sunny and a bit warmer Thursday, then clear Thursday night.
highs 86-92 lows 57-60.
Sunny and a bit warmer Friday, clear Friday night,
Mostly sunny and a bit cooler Saturday, mostly clear at night,
Sunny and a bit cooler Sunday and Monday, clear Sunday night,
highs near 96-92 lows 62-60 warming back to 62 Sunday night. (seasonal averages high 86 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Mostly sunny and a bit warmer today, mostly clear tonight,
Some AM clouds, sunny Wednesday, clear at night,
Sunny Thursday, then clear Thursday night.
highs near 76 lows 53-56 cooling to 54 Wednesday night warning to 55 Thursday night .
Mostly sunny and a bit cooler Friday, mostly clear Friday night,
Mostly sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late at night,
Mostly sunny Sunday, mostly clear Sunday night,
Then mostly sunny and a bit cooler Monday.
highs 73-75 cooling to 74 Friday and Saturday lows near 54.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Sunny and a bit warmer today, partly cloudy this evening, clear tonight,
Sunny Wednesday, clear at night,
Sunny and warmer Thursday, then clear Thursday night.
free air freezing level 14,000 ft. tonight and Tuesday, 13,000 ft. Tuesday night through Wednesday night, then 16,000 ft. Thursday and Thursday night.
highs 73-82 lows 46-53.
Sunny and a bit warmer Friday, mostly clear Friday night,
Then sunny and a bit cooler Saturday, Sunday, and Monday,mostly clear each night.
free air freezing level 16,000 ft. Thursday through Saturday night, then 15,000 ft. Sunday through Monday.
88-82 lows 56-53.

______

Aug

18.

08.18.25 Mostly clear this evening, partly cloudy late tonight. High temps will be rising.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge brings sunshine and slowly warming temperatures. The graphics for days 1-3 show a cold frontal system sliding in between Tuesday and Tuesday night. The graphics for days 3-7 Thursday through Monday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front moves in next Monday.

ADVISORIES:

NONE AT THIS TIME.

HEALTH ADVISORIES:

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 27 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 0 ABSENT

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.18.25

Data courtesy of Oregon Allergy Associates.

The grass pollen season has just about ended.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Mostly clear this evening, partly cloudy late tonight,
Sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly clear late Tuesday night,
Sunny and a bit warmer Wednesday, clear at night,
Sunny and warmer Thursday, then clear Thursday night.
lows 52-56 highs 84-92.
Sunny and a bit warmer Friday and Saturday, mostly clear Friday night,
Sunny Saturday, mostly clear at night,
Then sunny and a bit cooler Sunday and Monday, mostly clear Sunday night.
highs 93-88 lows 57-56. (seasonal averages high 84 low 51).

________________

Forecast for the Umpqua Valley including Roseburg:

Clear tonight,
Sunny and a bit warmer Tuesday, clear Tuesday night,
Sunny and a bit warmer Wednesday, clear at night,
Sunny and a bit warmer Thursday, then clear Thursday night.
lows 56-60 highs 86-92.
Sunny and a bit warmer Friday, clear Friday night,
Mostly sunny and a bit cooler Saturday, mostly clear at night,
Sunny and a bit cooler Sunday and Monday, clear Sunday night,
highs near 96-92 lows 62-60 warming back to 62 Sunday night. (seasonal averages high 86 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Mostly clear this evening, mostly cloudy with patchy fog late tonight,
Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
Some AM clouds, sunny Wednesday, clear at night,
Sunny Thursday, then clear Thursday night.
lows 53-56 cooling to 54 Wednesday night warning to 55 Thursday night highs near 76.
Mostly sunny and a bit cooler Friday, mostly clear Friday night,
Mostly sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late at night,
Mostly sunny Sunday, mostly clear Sunday night,
Then mostly sunny and a bit cooler Monday.
highs 73-75 cooling to 74 Friday and Saturday lows near 54.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Partly cloudy this evening, mostly clear late tonight,
Sunny and a bit warmer Tuesday, partly cloudy in the evening, clear Tuesday night,
Sunny Wednesday, clear at night,
Sunny and warmer Thursday, then clear Thursday night.
free air freezing level 14,000 ft. tonight and Tuesday, 13,000 ft. Tuesday night through Wednesday night, then 16,000 ft. Thursday and Thursday night.
lows 45-53 highs 73-82.
Sunny and a bit warmer Friday, mostly clear Friday night,
Then sunny and a bit cooler Saturday, Sunday, and Monday,mostly clear each night.
free air freezing level 16,000 ft. Thursday through Saturday night, then 15,000 ft. Sunday through Monday.
88-82 lows 56-53.

______

Aug

17.

8.18.25 Morning clouds and sun, Sunny and a bit warmer this afternoon for your Monday.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge takes over bringing sunshine and warmer temperatures. The graphics for days 1-3 show a cold frontal system sliding off to the east, and another one offshore Tuesday. The graphics for days 3-7 Thursday through Monday show no frontal activity moving toward the coast or through the Pacific Northwest through the period until a cold front slides in next Monday.

ADVISORIES:

NONE AT THIS TIME.

HEALTH ADVISORIES:

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 2 LOW

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.14.25

Data courtesy of Oregon Allergy Associates.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

AM clouds and sun, sunny and a bit warmer this afternoon, mostly clear tonight,
Sunny and a bit warmer Tuesday, mostly clear at night,
Sunny and a bit warmer Wednesday, then clear Wednesday night,
highs 79-85 lows 52-54.
Sunny and warmer Thursday, clear Thursday night,
Sunny and a bit warmer Friday, clear at night,
Then sunny and a bit cooler Saturday and Sunday, clear Saturday night.
highs 89-93 cooling to 91 Sunday lows 56-57. (seasonal averages high 84 low 51).

________________

Forecast for the Umpqua Valley including Roseburg:

Some AM clouds, sunny and a bit warmer this afternoon, clear tonight,
Sunny and a bit warmer Tuesday, clear at night,
Sunny and a bit warmer Wednesday, then clear Wednesday night.
highs 83-85 lows 56-58.
Sunny and a bit warmer Thursday and Friday, clear both nights,
Sunny and a bit warmer Saturday, clear Saturday night,
Then sunny and a bit cooler Sunday.
highs near 87-93 lows 59-60. (seasonal averages high 86 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Some AM clouds with patchy coastal fog, sunny and a bit cooler this afternoon, mostly clear tonight,
Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late at night,
Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
highs 73-74 lows 53-56 cooling to 54 Wednesday night.
Mostly sunny Thursday, mostly clear Thursday night,
Mostly sunny and a bit cooler Friday, mostly clear at night,
Mostly sunny Saturday, partly cloudy Saturday night,
Then partly cloudy Sunday.
highs 73-75 cooling to 74 Friday and Saturday lows near 54.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

AM clouds and sun, sunny and a bit warmer this afternoon, mostly clear tonight,
Sunny and a bit warmer Tuesday, mostly clear at night,
Sunny and a bit cooler Wednesday, then clear Wednesday night.
free air freezing level 14,000 ft. tonight, 14,000 ft. Tuesday, 13,000 ft. Tuesday night and Wednesday, then 14,000 ft. Wednesday.
highs 70-74 cooling to 73 Wednesday lows 45-47.
Sunny and warmer Thursday, clear Thursday night,
Sunny and a bit warmer Friday, mostly clear at night,
Then sunny and a bit cooler Saturday and Sunday, mostly clear Saturday night.
free air freezing level 13,000 ft. Wednesday, 15,000 ft. Wednesday night and Thursday, then 16,000 ft. Thursday through Saturday night, then 15,000 ft. Sunday.
82-87 cooling to 83 Sunday lows 53-56 cooling to 54 Sunday.

______

Aug

17.

08.17.25 Mostly clear overnight tonight, then plenty of sunshine and the beginning of a warming trend Monday.

No Comments

Category: Uncategorized

An Upper Level High Pressure Ridge takes over bringing sunshine and warmer temperatures. The graphics for days 1-3 show a cold frontal system offshore Tuesday. The graphics for days 3-7 Wednesday through Sunday show no frontal activity moving toward the coast or through the Pacific Northwest through the period.

ADVISORIES:

A FLASH FLOOD WATCH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.

HEALTH ADVISORIES:

A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.

_______________

Air Quality Index:

Eugene/Springfield: The Air Quality Index is 21 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 19 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)

_______________

Eugene-Springfield Area Pollen count:

GRASS: 2 LOW

TREES: 0 ABSENT

WEEDS: 0 ABSENT

Measured 8.14.25

Data courtesy of Oregon Allergy Associates.

_______________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

Mostly cloudy tonight,
AM clouds and sun, sunny and a bit warmer Monday afternoon, mostly clear Monday night,
Sunny and a bit warmer Tuesday, mostly clear at night,
Sunny and a bit cooler Wednesday, then clear Wednesday night,
lows 56-52 warming to 54 Tuesday night and Wednesday night highs 79-85.
Sunny and warmer Thursday, clear Thursday night,
Sunny and a bit warmer Friday, clear at night,
Then sunny and a bit cooler Saturday and Sunday, clear Saturday night.
highs 89-93 cooling to 91 Sunday lows 56-57. (seasonal averages high 84 low 51).

________________

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy this evening, partly cloudy late tonight,
Some AM clouds, sunny and a bit warmer Monday afternoon, clear Monday night,
Sunny and a bit warmer Tuesday, clear at night,
Sunny and a bit warmer Wednesday, then clear Wednesday night.
lows 58-55 warming back to 58 Tuesday night highs 83-85.
Sunny and a bit warmer Thursday and Friday, clear both nights,
Sunny and a bit warmer Saturday, clear Saturday night,
Then sunny and a bit cooler Sunday.
highs near 87-93 lows 59-60. (seasonal averages high 86 low 57).

_______________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

Mostly cloudy this evening, partly cloudy with patchy coastal fog late tonight,
Some AM clouds with patchy coastal fog, sunny and a bit cooler Monday afternoon, mostly clear Monday night,
Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late at night,
Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
lows 54-53 warming to 56 Tuesday night highs 73-74.
Mostly sunny Thursday, mostly clear Thursday night,
Mostly sunny and a bit cooler Friday, mostly clear at night,
Mostly sunny Saturday, partly cloudy Saturday night,
Then partly cloudy Sunday.
highs 73-75 cooling to 74 Friday and Saturday lows near 54.
(seasonal averages high 67 low 54). _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

Mostly cloudy tonight,
AM clouds and sun, sunny and a bit warmer Monday afternoon, mostly clear Monday night,
Sunny and a bit warmer Tuesday, mostly clear at night,
Sunny and a bit cooler Wednesday, then clear Wednesday night.
free air freezing level 13,000 ft. tonight. 13,000 ft. rising to 14,000 ft. Monday, 14,000 ft. Monday night, 14,000 ft. Tuesday, 13,000 ft. Tuesday night and Wednesday, then 14,000 ft. Wednesday.
lows 47-45 warming back to 47 Wednesday night highs 70-74 cooling to 73 Wednesday.
Sunny and warmer Thursday, clear Thursday night,
Sunny and a bit warmer Friday, mostly clear at night,
Then sunny and a bit cooler Saturday and Sunday, mostly clear Saturday night.
free air freezing level 13,000 ft. Wednesday, 15,000 ft. Wednesday night and Thursday, then 16,000 ft. Thursday through Saturday night, then 15,000 ft. Sunday.
82-87 cooling to 83 Sunday lows 53-56 cooling to 54 Sunday.

______

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