An Upper Level High Pressure Ridge (“Arch”shape) weakens a bit allowing cooling.  The graphics for days 1-3 show a weak cold frontal system moving through the Pacific Northwest Friday to start dropping temperatures to more normal levels. The graphics for days 3-7  Sunday through Thursday show a cold frontal system pushing through the Pacific Northwest by Sunday and Monday.

______________

ADVISORIES:

• A RED FLAG WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WARM SPRINGS RESERVATION.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL MOUNTAINS OF OREGON.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM TODAY UNTIL 10 PM FRIDAY FOR WIND AND RELATIVE HUMIDITY FOR THE JOHN DAY VALLEY.
• A FIRE WEATHER WATCH IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY FROM THIS AFTERNOON THROUGH THIS EVENING FOR THE JOHN DAY VALLEY, THE SOUTHERN BLUE MOUNTAINS, AND THE WARM SPRINGS RESERVATION.
• AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR JEFFERSON COUNTY.
• AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR KLAMATH AND LAKE COUNTIES..

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.

_______________

________________

• AM haze, sunny and a bit cooler this afternoon, clear with patchy fog late tonight,
• Mostly sunny Friday, clear at night,
• Sunny and a bit cooler Saturday, then mostly clear with patchy fog late Saturday night.
• highs 92-88 lows 58-60.
• Patchy AM and late night fog, partly cloudy and a bit cooler Sunday, partly cloudy Sunday night.
• AM clouds with patchy, partly cloudy and a bit cooler Monday afternoon,partly cloudy with patchy fog late at night,
• Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear with patchy fog late Tuesday night,
• Then sunny and a bit warmer Wednesday.
•  highs 85-83 warming to 89 Wednesday lows 60-58 (seasonal averages high 87 low 58).

_______________

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

• Mostly cloudy with patchy AM fog, sunny and cooler this afternoon, mostly clear with patchy evening fog, mostly cloudy with areas of fog late tonight,
• Mostly cloudy with areas of AM fog, sunny and a bit warmer Friday afternoon, mostly clear in the evening, partly cloudy with patchy fog at night,
• Some AM clouds with patchy fog, sunny Saturday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Saturday night.
• highs 69-70 lows 52-54.
• Patchy AM and late night fog, partly cloudy Sunday, partly cloudy Sunday night,
• Patchy AM/late night fog, mostly cloudy Monday and Monday night,
• Patchy AM fog, partly cloudy with patchy fog Tuesday afternoon, partly cloudy with patchy evening fog, areas of fog late Tuesday night,
• Patchy AM fog, partly cloudy and a bit warmer Wednesday afternoon.
• highs 70-69 warming back t0 70 Wednesday lows 54-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• AM haze, sunny and a bit cooler today, clear tonight,
• Sunny and a bit cooler Friday, mostly clear at night,
• Sunny and a bit cooler Saturday, mostly clear in the evening, then partly cloudy late Saturday night.
• free air freezing level 16,000 ft. tonight and Thursday, 16,000 ft falling to 15,000 ft. Thursday night, then 15,000 ft. Friday through Saturday night.
• highs 82-74 lows 52-48.
• Mostly sunny and a bit cooler Sunday, partly cloudy Sunday night,
• Mostly sunny and a bit cooler Monday, partly cloudy at night,
• Sunny and a bit warmer Tuesday and Wednesday Wednesday, mostly clear Tuesday night,
• free air freezing level 14,000 ft. Sunday, 15,000 ft. Sunday night, 14,000 ft. Monday through Tuesday, then 15,000 ft. Tuesday night and Wednesday.
• highs 72-70 warming 76 Wednesday lows 48-45 warming back to 48 Tuesday night.

An Upper Level High Pressure Ridge (“Arch”shape) still keeps us hot.  The graphics for days 1-3 show a weak cold frontal system moving through the Pacific Northwest Friday to start dropping temperatures.. The graphics for days  Saturday through Wednesday show a cold frontal system pushing through the Pacific Northwest by  Saturday and Sunday.

______________

ADVISORIES:

• A RED FLAG WARNING IS IN EFFECT FROM 1 PM THURSDAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM THURSDAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WARM SPRINGS RESERVATION.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM THURSDAY UNTIL 10 PM FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL MOUNTAINS OF OREGON.
• A RED FLAG WARNING IS IN EFFECT FROM 1 PM THURSDAY UNTIL 10 PM FRIDAY FOR WIND AND RELATIVE HUMIDITY FOR THE JOHN DAY VALLEY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A FIRE WEATHER WATCH IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR THE JOHN DAY VALLEY, THE SOUTHERN BLUE MOUNTAINS, AND THE WARM SPRINGS RESERVATION.
• AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR JEFFERSON COUNTY.
• AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR KLAMATH AND LAKE COUNTIES..

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.

_______________

________________

• Clear with patchy evening smoke, clear and hazy late tonight,
• AM haze, sunny and a bit cooler Thursday, clear with patchy fog late Thursday night,
• Mostly sunny Friday, clear at night,
• Sunny and a bit cooler Saturday, then mostly clear with patchy fog late Saturday night.
• lows 60-58 warming back to 60 Saturday night highs 92-88.
• Patchy AM and late night fog, partly cloudy and a bit cooler Sunday, partly cloudy Sunday night.
• AM clouds with patchy, partly cloudy and a bit cooler Monday afternoon,partly cloudy with patchy fog late at night,
• Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear with patchy fog late Tuesday night,
• Then sunny and a bit warmer Wednesday.
•  highs 85-83 warming to 89 Wednesday lows 60-58 (seasonal averages high 87 low 58).

_______________

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

• Mostly clear with patchy evening coastal fog continuing overnight while mostly clear with inland evening haze with patchy inland fog late tonight, mostly cloudy late tonight.
• Mostly cloudy with patchy AM fog, sunny and cooler Thursday afternoon, mostly clear with patchy evening fog, mostly cloudy with areas of fog late Thursday night,
• Mostly cloudy with areas of AM fog, sunny and a bit warmer Friday afternoon, mostly clear in the evening, partly cloudy with patchy fog at night,
• Some AM clouds with patchy fog, sunny Saturday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Saturday night.
• lows 52-54 highs 69-70.
• Patchy AM and late night fog, partly cloudy Sunday, partly cloudy Sunday night,
• Patchy AM/late night fog, mostly cloudy Monday and Monday night,
• Patchy AM fog, partly cloudy with patchy fog Tuesday afternoon, partly cloudy with patchy evening fog, areas of fog late Tuesday night,
• Patchy AM fog, partly cloudy and a bit warmer Wednesday afternoon.
• highs 70-69 warming back t0 70 Wednesday lows 54-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Clear and hazy with areas of evening smoke, clear and hazy late tonight,
• AM haze, sunny and a bit cooler Thursday, clear Thursday night,
• Sunny and a bit cooler Friday, mostly clear at night,
• Sunny and a bit cooler Saturday, mostly clear in the evening, then partly cloudy late Saturday night.
• free air freezing level 16,000 ft. tonight and Thursday, 16,000 ft falling to 15,000 ft. Thursday night, then 15,000 ft. Friday through Saturday night.
• lows 52-48 highs 82-74.
• Mostly sunny and a bit cooler Sunday, partly cloudy Sunday night,
• Mostly sunny and a bit cooler Monday, partly cloudy at night,
• Sunny and a bit warmer Tuesday and Wednesday Wednesday, mostly clear Tuesday night,
• free air freezing level 14,000 ft. Sunday, 15,000 ft. Sunday night, 14,000 ft. Monday through Tuesday, then 15,000 ft. Tuesday night and Wednesday.
• highs 72-70 warming 76 Wednesday lows 48-45 warming back to 48 Tuesday night.

An Upper Level High Pressure Ridge (“Arch”shape)  heats us up again.  The graphics for days 1-3 show no frontal system moving through the Pacific Northwest through the period. The graphics for days  Saturday through Wednesday show a cold frontal system pushing through the Pacific Northwest by  Saturday and Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TODAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A FIRE WEATHER WATCH IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR THE JOHN DAY VALLEY, THE SOUTHERN BLUE MOUNTAINS, AND THE WARM SPRINGS RESERVATION.

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.

_______________

________________

• Sunny and hazy with patchy smoke and a bit warmer today, clear and hazy tonight,
• Sunny hazy and a bit cooler Thursday, clear with patchy fog late at night,
• Mostly sunny Friday, then clear Friday night.
• highs 100-92 lows 62-57 warming to 58 Friday night.
• Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights.
• Patchy AM and late night fog, mostly sunny Monday, mostly clear Monday night,
• Some AM clouds, sunny Tuesday afternoon.
•  highs 92-86 warming to 87 Monday lows 59-58 (seasonal averages high 87 low 58).

_______________

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

• Sunny and hazy and warmer today, mostly clear this evening, mostly clear with evening coastal haze while mostly cloudy with inland haze late tonight,
• Mostly cloudy with AM inland haze, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, mostly cloudy with areas of fog late at night,
• Patchy AM and late night fog, then partly cloudy and a bit warmer Friday, partly cloudy Friday night.
• highs 73-69 warming back to 70 Friday lows near 52.
• Patchy AM and late night fog, partly cloudy and a bit cooler Saturday and Saturday night,
• Patchy AM and late night fog, partly cloudy and a bit warmer Sunday, partly cloudy at night,
• Patchy AM fog, then partly cloudy with patchy fog Tuesday afternoon.
• highs 69-70  lows 52-53.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Areas of AM smoke, sunny and hazy and a bit warmer this afternoon, clear tonight,
• Sunny and a bit cooler Thursday, clear at night,
• Sunny Friday, then mostly clear Friday night.
• free air freezing level 16,000 ft. tonight through Thursday, 16,000 ft falling to 15,000 ft. late Thursday night, then 15,000 ft. Friday and Friday night.
• highs 85-80 lows 53-48.
• Sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
• Then sunny and a bit warmer Monday and Tuesday, mostly clear Monday night,
• highs 75-73 warming back to 75 Tuesday lows 47-48.
• free air freezing level 15,000 ft. Saturday and Saturday night, 14,000 ft. Sunday, then 15,000 ft. Sunday night through Tuesday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape)  heats us up again.  The graphics for days 1-3 show no frontal system moving through the Pacific Northwest through the period. The graphics for days 3-7   Friday through Tuesday show a cold frontal system pushing through the Pacific Northwest by  Saturday and Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM WEDNESDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM WEDNESDAY NIGHT FOR THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM NOON TODAY UNTIL 10 PM WEDNESDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A FIRE WEATHER WATCH IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR THE JOHN DAY VALLEY, THE SOUTHERN BLUE MOUNTAINS, AND THE WARM SPRINGS RESERVATION.

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.

_______________

________________

• Clear with evening haze continuing overnight tonight,
• Sunny and hazy with patchy smoke and a bit warmer Wednesday, clear and hazy Wednesday night,
• Sunny hazy and a bit cooler Thursday, clear with patchy fog late at night,
• Mostly sunny Friday, then clear Friday night.
• lows 64-57 warming to 58 Friday night highs 100-92.
• Mostly sunny and a bit cooler Saturday and Sunday, mostly clear both nights.
• Patchy AM and late night fog, mostly sunny Monday, mostly clear Monday night,
• Some AM clouds, sunny Tuesday afternoon.
•  highs 92-86 warming to 87 Monday lows 59-58 (seasonal averages high 86 low 58).

_______________

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

• Mostly clear with late evening coastal haze lasting thought the night and partly cloudy late tonight while mostly clear inland this evening and partly cloudy with inland haze late tonight,
• Sunny and hazy and warmer Wednesday, mostly clear in the evening, mostly clear with evening coastal haze while mostly cloudy with inland haze late Wednesday night,
• Mostly cloudy with AM inland haze, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, mostly cloudy with areas of fog late at night,
• Patchy AM and late night fog, then partly cloudy and a bit warmer Friday, partly cloudy Friday night.
• lows near 52 highs 73-69 warming back to 70 Friday.
• Patchy AM and late night fog, partly cloudy and a bit cooler Saturday and Saturday night,
• Patchy AM and late night fog, partly cloudy and a bit warmer Sunday, partly cloudy at night,
• Patchy AM fog, then partly cloudy with patchy fog Tuesday afternoon.
• highs 69-70  lows 52-53.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Clear with areas of smoke tonight,
• Areas of AM smoke, sunny and hazy and a bit warmer Wednesday afternoon, clear Wednesday night,
• Sunny and a bit cooler Thursday, clear at night,
• Sunny Friday, then mostly clear Friday night.
• free air freezing level 16,000 ft. tonight through Thursday, 16,000 ft falling to 15,000 ft. late Thursday night, then 15,000 ft. Friday and Friday night.
• lows 50-53 cooling to 48 Friday night highs 85-80.
• Sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
• Then sunny and a bit warmer Monday and Tuesday, mostly clear Monday night,
• highs 75-73 warming back to 75 Tuesday lows 47-48.
• free air freezing level 15,000 ft. Saturday and Saturday night, 14,000 ft. Sunday, then 15,000 ft. Sunday night through Tuesday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up after stable temperatures  for your Tuesday.  The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest late today that postpones heat increases for one day. The graphics for days 3-7   Friday through Tuesday show a cold frontal system pushing through the Pacific Northwest by next Saturday and Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM THIS EVENING EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A HEAT ADVISORY IS IN EFFECT FROM THIS AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM NOON TODAY UNTIL 10 PM WEDNESDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.

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.

_______________

________________

• Sunny and a bit cooler today, hazy with patchy evening smoke, clear late tonight,
• AM haze, sunny and a bit warmer Wednesday, clear at night,
• Sunny and a bit cooler Thursday, then clear Thursday night.
• highs 92-99 cooling back to 92 Thursday lows 64-58.
• Mostly sunny Friday, clear Friday night,
• Mostly sunny and a bit cooler Saturday, mostly clear at night.
• Then mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
• Then mostly sunny and a bit warmer Monday.
•  highs 92-86 warming to 87 Monday lows 59-58 (seasonal averages high 86 low 58).

_______________

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

• Some AM  clouds, sunny and a bit warmer this afternoon, mostly clear tonight,
• Sunny and a bit warmer Wednesday, mostly clear in the evening, mostly cloudy with patchy fog late at night,
• Patchy AM and late night fog, partly cloudy and a bit cooler Thursday afternoon, partly cloudy Thursday night.
• highs 70-73 cooling back to 70 Thursday lows near 53.
• Patchy AM and late night fog, partly cloudy Friday and Friday night,
• Patchy AM and late night fog, partly cloudy Saturday afternoon and at night,
• Patchy AM fog, then partly cloudy Sunday and Monday, partly cloudy Sunday night.
• highs near 70  lows 53-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Sunny today, clear tonight,
• Sunny and a bit warmer Wednesday, clear at night,
• Sunny and a bit cooler Thursday, then clear Thursday night.
• free air freezing level 16,000 ft. today through Thursday night,
• highs 82-84 cooling back to 82 Thursday lows 52-53 cooling back to 52 Thursday night.
• Sunny and a bit cooler Friday, clear Friday night,
• Sunny and a bit cooler Saturday, mostly clear in the evening , partly cloudy late at night,
• Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
• Then sunny and a bit warmer Monday.
• highs 82-79 warming to lows 53-52.
• free air freezing level 15,000 ft. Friday through Saturday night, then 14,000 ft. Sunday through Monday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up after stable temperatures  for your Tuesday.  The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest late today that postpones heat increases for one day. The graphics for days 3-7   Thursday through Monday show a cold frontal system pushing through the Pacific Northwest by next Saturday and Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TUESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM TUESDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A HEAT ADVISORY IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM NOON TUESDAY UNTIL 10 PM WEDNESDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT  UNTIL 10 PM TONIGHT FOR THE  LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT TONIGHT FOR 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.

_______________

________________

• Clear tonight,
• Sunny and a bit cooler Tuesday, hazy with patchy evening smoke, clear late Tuesday night,
• AM haze, sunny and a bit warmer Wednesday, clear at night,
• Sunny and a bit cooler Thursday, then clear Thursday night.
• lows 58-64 cooling to 58 Thursday night highs 92-99 cooling back to 92 Thursday.
• Mostly sunny Friday, clear Friday night,
• Mostly sunny and a bit cooler Saturday, mostly clear at night.
• Then mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
• Then mostly sunny and a bit warmer Monday.
•  highs 92-86 warming to 87 Monday lows 59-58 (seasonal averages high 86 low 58).

_______________

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

• Mostly clear this evening, mostly cloudy late tonight,
• Some AM  clouds, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
• Sunny and a bit warmer Wednesday, mostly clear in the evening, mostly cloudy with patchy fog late at night,
• Patchy AM and late night fog, partly cloudy and a bit cooler Thursday afternoon, partly cloudy Thursday night.
• lows 52-54 highs 70-73 cooling back to 70 Thursday.
• Patchy AM and late night fog, partly cloudy Friday and Friday night,
• Patchy AM and late night fog, partly cloudy Saturday afternoon and at night,
• Patchy AM fog, then partly cloudy Sunday and Monday, partly cloudy Sunday night.
• highs near 70  lows 53-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Clear tonight,
• Sunny Tuesday, clear Tuesday night,
• Sunny and a bit warmer Wednesday, clear at night,
• Sunny and a bit cooler Thursday, then clear Thursday night.
• free air freezing level 16,000 ft. tonight through Thursday night,
• lows 49-53 highs 82-84 cooling back to 82 Thursday .
• Sunny and a bit cooler Friday, clear Friday night,
• Sunny and a bit cooler Saturday, mostly clear in the evening , partly cloudy late at night,
• Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
• Then sunny and a bit warmer Monday.
• highs 82-79 warming to lows 53-52.
• free air freezing level 15,000 ft. Friday through Saturday night, then 14,000 ft. Sunday through Monday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up. The graphics for days 1-3 show the a cold frontal system moving through the Pacific Northwest today. The graphics for days 3-7   Wednesday through Sunday show a cold frontal system pushing through the Pacific Northwest by next Thursday through Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TUESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM MONDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM NOON TUESDAY UNTIL 10 PM WEDNERSDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT  UNTIL 10 PM TONIGHT FOR THE  LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT TONIGHT FOR 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.

_______________

________________

• Sunny and hazy and a bit cooler today, clear tonight,
• Sunny and a bit warmer Tuesday, clear at night,
• Sunny and a bit warmer Wednesday, then clear Wednesday night.
• highs 93-99 lows 58-63 cooling to 62 Wednesday night.
• Sunny and a bit cooler Thursday, clear Thursday night,
• Mostly sunny Friday and Saturday, mostly clear both nights,
• Sunny and a bit cooler Sunday.
•  highs 93-88 lows near 59 (seasonal averages high 86 low 58).

_______________

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

• Some AM clouds with inland haze, sunny and a bit cooler this afternoon, mostly clear this evening, partly cloudy late tonight,
• Some AM  clouds, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
• Mostly sunny Wednesday, then partly cloudy with patchy fog late Wednesday night.
• highs 70-74 cooling to 73 Wednesday lows 52-54.
• Patchy AM fog and late night fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy Thursday night,
• Patchy AM and late night fog, partly cloudy Friday and Friday night,
• Patchy AM fog, partly cloudy Saturday afternoon, mostly clear Saturday night,
• Then sunny and a bit cooler Sunday.
• highs 82-77  lows 52-49.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Sunny and a bit cooler today, clear tonight,
• Sunny Tuesday, clear at night,
• Sunny and a bit warmer Wednesday, then clear Wednesday night.
• free air freezing level 16,000 ft. today through Wednesday night.
• highs 82-79 warming to 85 Wednesday lows 49-53.
• Sunny and a bit cooler Thursday, clear Thursday night,
• Sunny Friday, clear at night,
• and a bi cooler Saturday, clear Saturday night,
• Then sunny and a bit cooler Sunday.
• highs 82-79 warming to lows 53-52.
• free air freezing level 16,000 ft. Thursday and Thursday night, 15,000 ft. Friday, 16,000 ft. Friday night, then 15,000 ft. Saturday through Sunday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up. The graphics for days 1-3 show the no frontal systems approaching or moving through the Pacific Northwest Monday. The graphics for days 3-7   Wednesday through Sunday show a cold frontal system pushing thrugh the Pacific Northwest by next Thursday through Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TUESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM MONDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT  UNTIL 10 PM TONIGHT FOR THE  LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT TONIGHT FOR 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.

_______________

________________

• Clear and hazy tonight,
• Sunny and hazy and a bit cooler Monday, clear Monday night,
• Sunny and a bit warmer Tuesday, clear at night,
• Sunny and a bit warmer Wednesday, then clear Wednesday night.
• lows 67-58 warming to 63 Tuesday night cooling to 62 Wednesday night highs 93-99.
• Sunny and a bit cooler Thursday, clear Thursday night,
• Mostly sunny Friday and Saturday, mostly clear both nights,
• Sunny and a bit cooler Sunday.
•  highs 93-88 lows near 59 (seasonal averages high 86 low 57).

_______________

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

• Mostly clear this evening, partly cloudy late tonight with inland haze late,
• Some AM clouds with inland haze, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
• Some AM  clouds, sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
• Mostly sunny Wednesday, then partly cloudy with patchy fog late Wednesday night.
• lows 55-49 warming to 53 Wednesday night highs 70-74 cooling to 72 Wednesday.
• Patchy AM fog and late night fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy Thursday night,
• Patchy AM and late night fog, partly cloudy Friday and Friday night,
• Patchy AM fog, partly cloudy Saturday afternoon, mostly clear Saturday night,
• Then sunny and a bit cooler Sunday.
• highs 82-77  lows 52-49.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Clear tonight,
• Sunny and a bit cooler Monday, clear Monday night,
• Sunny Tuesday, clear at night,
• Sunny and a bit warmer Wednesday, then clear Wednesday night.
• free air freezing level 16,000 ft. tonight through Wednesday night.
• lows 54-50 warming to 52 Tuesday night highs 82-79 warming to 85 Wednesday.
• Sunny and a bit cooler Thursday, clear Thursday night,
• Sunny Friday, clear at night,
• and a bi cooler Saturday, clear Saturday night,
• Then sunny and a bit cooler Sunday.
• highs 82-79 warming to lows 53-52.
• free air freezing level 16,000 ft. Thursday and Thursday night, 15,000 ft. Friday, 16,000 ft. Friday night, then 15,000 ft. Saturday through Sunday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up. The graphics for days 1-3 show the no frontal systems approaching or moving through the Pacific Northwest Monday. The graphics for days 3-7   Wednesday through Sunday show a cold frontal system pushing thrugh the Pacific Northwest by next Thursday through Sunday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM MONDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 11 AM UNTIL 10 PM TODAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT  FROM 11 AM UNTIL 10 PM TODAY FOR THE  LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT FROM NOON MDT TODAY UNTIL 9 PM MDT TONIGHT FOR 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.

_______________

________________

• Sunny and a bit warmer today, clear tonight,
• Sunny and a bit cooler Monday, clear at night,
• Sunny Tuesday, then clear Tuesday night.
• highs 98-94 lows 67-59 warming to 62 Tuesday night.
• Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
• Mostly sunny and a bit cooler Thursday, mostly clear at night,
• Mostly sunny Friday, mostly clear Friday night,
• Then sunny Saturday.
•  highs 96-92 lows 62-58 (seasonal averages high 86 low 57).

_______________

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

• Some AM clouds, sunny this afternoon, mostly clear this evening, partly cloudy late tonight,
• Some AM clouds sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late at night,
• Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
• highs 73-70 warming to 72 Tuesday lows 55-52 warming to 54 Tuesday night.
• Mostly sunny Wednesday, partly cloudy with patchy fog late Wednesday night,
• Patchy AM fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy at night,
• Partly cloudy Friday an Friday night,
• Some AM clouds, then sunny Saturday afternoon.
• highs 74-70 lows 54-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Sunny and a bit warmer today, clear tonight,
• Sunny and a bit cooler Monday, clear at night,
• Sunny Tuesday, clear Tuesday night.
• free air freezing level 16,000 ft. today through Tuesday night.
• highs 86-82 lows 54-50 warming to 52 Tuesday night .
• Sunny and a bit warmer Wednesday, clear Wednesday night,
• Sunny and a bit cooler Thursday, clear at night,
• Then sunny Friday and Saturday, clear Saturday night.
• highs 84-82 lows 53-52.
• free air freezing level 16,000 ft. Wednesday and Wednesday night, 15,000 ft. Thursday, 16,000 ft. Thursday night, 15,000 ft. Friday, then 16,000 ft. Friday night and Saturday.
• highs 84-82 lows 53-52.

An Upper Level High Pressure Ridge (“Arch”shape) keeps heating us up. The graphics for days 1-3 show the no frontal systems approaching or moving through the Pacific Northwest Monday. The graphics for days 3-7   Tuesday through Saturday show a cold frontal system pushing through the Pacific Northwest by Tuesday and another cold front pushes in next Friday and Saturday.

______________

ADVISORIES:

• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR CENTRAL DOUGLAS COUNTY AND THE DOUGLAS COUNTY FOOTHILLS.
• AN EXTREME HEAT WARNING IS IN EFFECT FROM 2 PM TODAY UNTIL 8 PM MONDAY EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• AN EXTREME HEAT WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, THE EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 11 AM UNTIL 10 PM SUNDAY FOR THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, AND THE LANE COUNTY LOWLANDS.
• A HEAT ADVISORY IS IN EFFECT  FROM 11 AM UNTIL 10 PM SUNDAY FOR THE  LOWER COLUMBIA RIVER.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT FROM NOON MDT SUNDAY UNTIL 9 PM MDT FOR 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.

_______________

________________

• Clear tonight,
• Sunny and a bit warmer Sunday, clear Sunday night,
• Sunny and a bit cooler Monday, clear at night,
• Sunny Tuesday, then clear Tuesday night.
• lows 65-67 cooling to 59 Monday night warming to 62 Tuesday night highs 98-94.
• Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
• Mostly sunny and a bit cooler Thursday, mostly clear at night,
• Mostly sunny Friday, mostly clear Friday night,
• Then sunny Saturday.
•  highs 96-92 lows 62-58 (seasonal averages high 86 low 57).

_______________

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

• Mostly clear this evening, partly cloudy late tonight,
• Some AM clouds, sunny Sunday afternoon, mostly clear in the evening, partly cloudy late Sunday night,
• Some AM clouds sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late at night,
• Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
• lows 54-55 cooling to 52 Monday night warming to 54 Tuesday night highs 73-70 warming to 72 Tuesday.
• Mostly sunny Wednesday, partly cloudy with patchy fog late Wednesday night,
• Patchy AM fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy at night,
• Partly cloudy Friday an Friday night,
• Some AM clouds, then sunny Saturday afternoon.
• highs 74-70 lows 54-52.
• (seasonal averages high 66 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Clear tonight,
• Sunny and a bit warmer Sunday, clear Sunday night,
• Sunny and a bit cooler Monday, clear at night,
• Sunny Tuesday, clear Tuesday night.
• free air freezing level 16,000 ft. tonight through Tuesday night.
• lows 56-50 warming to 52 Tuesday night highs 86-82.
• Sunny and a bit warmer Wednesday, clear Wednesday night,
• Sunny and a bit cooler Thursday, clear at night,
• Then sunny Friday and Saturday, clear Saturday night.
• highs 84-82 lows 53-52.
• free air freezing level 16,000 ft. Wednesday and Wednesday night, 15,000 ft. Thursday, 16,000 ft. Thursday night, 15,000 ft. Friday, then 16,000 ft. Friday night and Saturday.
• highs 84-82 lows 53-52.