An Upper Level High Pressure Ridge  (“Arch “Shape) takes over producing some hot weather. The graphics for days 1-3 show no frontal systems moving through the Pacific Northwest. The graphics for days 3-7  Monday through Friday show no frontal systems on the way to Oregon until a cold front moves through on Thursday.

ADVISORIES:

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.

_______________

Measured 8.7.25

________________

_______________

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

• Mostly clear through late evening, partly cloudy late tonight,
• Sunny and a bit warmer Saturday, partly cloudy at night,
• Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night,
• Sunny and a bit cooler Monday, then partly cloudy Monday night,
• lows 56-60 cooling to 58 Monday night highs 75-82 cooling to 76 Monday.
• Partly cloudy and a bit cooler Tuesday afternoon, partly cloudy Tuesday night,
• Partly cloudy Wednesday, partly cloudy at night,
• Partly cloudy and a bit cooler Thursday and Thursday night,
• Then partly cloudy and slightly cooler Friday.
• highs 74-72 lows 57-55.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Mostly clear this evening, partly cloudy late tonight,
• Mostly sunny and a bit warmer  Saturday, mostly clear Saturday night,
• Sunny and a bit warmer Sunday, mostly clear at night,
• Sunny and a bit warmer Monday, then clear Monday night.
• free air freezing level 16,000 ft. tonight, 16,000 ft. rising to above 6,000 ft. Saturday afternoon, above 16,000 ft. Saturday night through Monday night.
• lows 48-59 cooling to 56 Monday night highs 79-88.
• Sunny and a bit cooler Tuesday, mostly clear Tuesday night,
• Sunny and a bit cooler Wednesday, mostly clear in the evening, partly cloudy late at night,
• Sunny and a bit cooler Thursday, mostly clear Thursday night,
• Then sunny and slightly warmer Friday.
• free air freezing level 16,000 ft. Tuesday and Tuesday night, 15,000 ft. Wednesday, 14,000 ft. Wednesday night, 13,000 ft. Thursday, then 14,000 ft. Thursday night and Friday.
• highs 84-69 warming to 70 Friday lows 52-45.

An Upper Level High Pressure Ridge  (“Arch “Shape) takes over producing some hot weather. The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest Thursday. The graphics for days 3-7  Monday through Friday show no frontal systems on the way to Oregon.

ADVISORIES:

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.

_______________

Measured 8.7.25

________________

_______________

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

• Sunny and a bit warmer today, mostly clear tonight,
• Sunny Saturday, partly cloudy at night,
• Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
• highs 74-80 lows 56-58.
• Mostly sunny and a bit cooler Monday, mostly clear Monday night,
• Partly cloudy and a bit cooler Tuesday afternoon, partly cloudy at night,
• Partly cloudy and a bit cooler Wednesday, partly cloudy Wednesday night,
• Then partly cloudy Thursday.
• highs 76-33 lows 56-55.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Sunny and a bit warmer today, mostly clear tonight,
• Sunny and a bit warmer  Saturday, partly cloudy in the evening,  mostly clear late at night,
• Sunny and a bit warmer Sunday, then mostly clear Sunday night,
• free air freezing level 15,000 ft. today, 16,000 ft. tonight, 16,000 ft. rising to above 16,000 ft. Saturday afternoon, then above 16,000 ft. Saturday night.
• highs 67-78 lows 56-58.
• Sunny and a bit cooler Monday, mostly clear Monday night,
• Sunny and a bit cooler Tuesday and Wednesday, mostly clear Tuesday night,
• Then sunny and a bit cooler Thursday.
• free air freezing level above 16,000 ft. Monday, 16,000 ft. Monday night and Tuesday, 15,000 ft. Tuesday night, 14,000 ft. Wednesday, 15,000 ft. Wednesday night, then 14,000 ft. Thursday.
• highs 85-88 cooling to 80 Wednesday lows 57-55.

An Upper Level High Pressure Ridge  (“Arch “Shape) takes over producing some hot weather. The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest today. The graphics for days 3-7  Sunday through Thursday show no frontal systems on the way to Oregon.

ADVISORIES:

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.

_______________

Measured 8.7.25

________________

_______________

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

• Partly cloudy this evening,  clear late tonight,
• Sunny and a bit warmer Friday, mostly clear Friday night,
• Sunny Saturday, partly cloudy at night,
• Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
• lows 54-58 highs 74-80.
• Mostly sunny and a bit cooler Monday, mostly clear Monday night,
• Partly cloudy and a bit cooler Tuesday afternoon, partly cloudy at night,
• Partly cloudy and a bit cooler Wednesday, partly cloudy Wednesday night,
• Then partly cloudy Thursday.
• highs 76-33 lows 56-55.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Partly cloudy this evening, clearing late tonight,
• Sunny and a bit warmer Friday, mostly clear Friday night,
• Sunny and a bit warmer  Saturday, partly cloudy in the evening,  mostly clear late at night,
• Sunny and a bit warmer Sunday, then mostly clear Sunday night,
• free air freezing level 14,000 ft. tonight, 15,000 ft. Friday, 16,000 ft. Friday night, 16,000 ft. rising to above 16,000 ft. Saturday afternoon, then above 16,000 ft. Saturday night.
• lows 42-52 highs 67-78.
• Sunny and a bit cooler Monday, mostly clear Monday night,
• Sunny and a bit cooler Tuesday and Wednesday, mostly clear Tuesday night,
• Then sunny and a bit cooler Thursday.
• free air freezing level above 16,000 ft. Monday, 16,000 ft. Monday night and Tuesday, 15,000 ft. Tuesday night, 14,000 ft. Wednesday, 15,000 ft. Wednesday night, then 14,000 ft. Thursday.
• highs 85-88 cooling to 80 Wednesday lows 57-55.

An Upper Level High Pressure Ridge  (“Arch “Shape) takes over producing some hot weather. The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest today. The graphics for days 3-7  Sunaturday through Thursday show no frontal systems on the way to Oregon through the period.

______________

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.

_______________

Measured 8.7.25

________________

_______________

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

• Mostly cloudy with patchy AM fog,  partly cloudy and a bit warmer this afternoon,  partly cloudy tonight,
• Sunny and a bit warmer Friday, mostly clear at night,
• Sunny Saturday, then partly cloudy Saturday night.
• highs 73-75 lows 54-59.
• Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
• Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy at night,
• Some AM  clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy Tuesday night,
• Then partly cloudy and a bit cooler Wednesday.
• highs 77-74 lows 59-57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• AM clouds and sun with a slight (20%) chance of showers, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly clear late tonight,
• Sunny and a bit warmer Friday, mostly clear at night,
• Sunny and a bit warmer  Saturday, partly cloudy in the evening, then mostly clear late Saturday night.
• snow level 8,000 ft. today, free air freezing level 14,000 ft. tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 16,000 ft. Friday night and Saturday, then above 16,000 ft. Saturday night.
• highs 67-78 lows 42-52.
• Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then sunny and a bit cooler Tuesday and Wednesday, mostly clear Tuesday night.
• free air freezing level 16,000 ft. Saturday, above 16,000 ft. Sunday through Monday night, 16,000 ft. Tuesday and Tuesday night, then 15,000 ft. Wednesday.
• highs 85-88 cooling to 80 Wednesday lows 57-55.

An Upper Level High Pressure Ridge  (“Arch “Shape) takes over producing some hot weather. The graphics for days 1-3 show the weak cold frontal system moving through the Pacific Northwest today. The graphics for days 3-7  Saturday through Wednesday show no frontal systems on the way to Oregon through the period.

______________

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.

_______________

Measured 8.4.25

________________

_______________

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

• Mostly cloudy with areas of late evening coastal fog continuing overnight and a slight (20%) chance of showers late tonight while patchy evening inland late evening fog continuing through late tonight,
• Mostly cloudy with patchy AM fog,  partly cloudy and a bit warmer Thursday afternoon,  partly cloudy Thursday night,
• Sunny and a bit warmer Friday, mostly clear at night,
• Sunny Saturday, then partly cloudy Saturday night.
• lows 59-54 warming back to 59 Saturday night highs 73-75.
• Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
• Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy at night,
• Some AM  clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy Tuesday night,
• Then partly cloudy and a bit cooler Wednesday.
• highs 77-74 lows 59-57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Mostly cloudy with a slight (20%) chance of showers tonight,
• AM clouds and sun with a slight (20%) chance of showers, sunny and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly clear late Thursday night,
• Sunny and a bit warmer Friday, mostly clear at night,
• Sunny and a bit warmer  Saturday, partly cloudy in the evening, then mostly clear late Saturday night.
• snow level above 8,000 ft. tonight, 8,000 ft. Thursday, free air freezing level 14,000 ft. Thursday night, 14,000 ft. rising to 15,000 ft. Friday afternoon, 16,000 ft. Friday night and Saturday, then above 16,000 ft. Saturday night.
• lows 46-42 warming to 52 Saturday night highs 67-78.
• Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then sunny and a bit cooler Tuesday and Wednesday, mostly clear Tuesday night.
• free air freezing level 16,000 ft. Saturday, above 16,000 ft. Sunday through Monday night, 16,000 ft. Tuesday and Tuesday night, then 15,000 ft. Wednesday.
• highs 85-88 cooling to 80 Wednesday lows 57-55.

An Upper Level Low Pressure Trough  (“U “Shape) keeps up the onshore airflow to control temperatures through Thursday. Then high pressure takes over producing some hot weather. The graphics for days 1-3 show a cold frontal system moving through the Pacific Northwest Wednesday. The graphics for days 3-7  Friday through Tuesday show no frontal systems on the way to Oregon through the period.

______________

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.

_______________

Measured 8.4.25

________________

_______________

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

• Mostly cloudy with patchy AM fog and a slight (20%) chance of coastal showers while mostly cloudy with patchy fog and a slight (20%) chance of inland AM showers, partly cloudy and a bit warmer this afternoon, patchy evening coastal fog and a slight (20%) chance of coastal  showers with areas of coastal fog late tonight while mostly cloudy with a slight (20%) chance of inland showers and patchy fog late tonight,
• Mostly cloudy with patchy AM fog,  sunny and a bit cooler Thursday afternoon,  partly cloudy at night,
• Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
• highs near 74 lows 59-54 warming to 57 Friday night.
• Partly cloudy Saturday and Saturday night,
• Mostly sunny and a bit warmer Sunday, mostly clear at night,
• Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
• Then partly cloudy and a bit cooler Tuesday.
• highs near 76 lows near 57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

•  A mix of clouds and sun and a bit cooler today, mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late tonight,
• Mostly cloudy with a slight (20%) chance of AM  showers, sunny and a bit cooler Thursday, partly cloudy in the evening, mostly clear late at night,
• Sunny and a bit warmer Friday, mostly clear Friday night.
• free air freezing level 12,000 ft. today, snow level above 8,000 ft. tonight, 8,000 ft. Thursday, free air freezing level 13,000 ft. rising to 14,000 ft. Friday afternoon, then 16,000 ft. Friday night.
• lows 48-42 warming to 47 Friday night highs 70-68 warming back to 70 Thursday.
• Sunny and a bit warmer  Saturday, partly cloudy in the evening, mostly clear late Saturday night,
• Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then sunny and a bit cooler Tuesday.
• free air freezing level 16,000 ft. Saturday, above 16,000 ft. Saturday night through Sunday night, then 16,000 ft. Monday through Tuesday.
• highs 77-85 lows 50-55.

An Upper Level Low Pressure Trough  (“U “Shape) keeps up the onshore airflow to control temperatures. The graphics for days 1-3 show a cold frontal system moving through the Pacific Northwest Wednesday. The graphics for days 3-7  Friday through Tuesday show no frontal systems on the way to Oregon  through the period.

______________

ADVISORIES:

• A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR 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.

_______________

Measured 8.4.25

________________

_______________

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

• Mostly cloudy with patchy coastal fog and a slight (20%) chance of showers late tonight while partly cloudy inland this evening and mostly cloudy with a slight (20%) chance of inland showers late tonight and patchy fog late tonight,
• Mostly cloudy with patchy AM fog and a slight (20%) chance of coastal showers while mostly cloudy with patchy fog and a slight (20%) chance of inland AM showers, partly cloudy and a bit warmer Wednesday afternoon, patchy evening coastal fog and a slight (20%) chance of coastal  showers with areas of coastal fog late Wednesday night while mostly cloudy with a slight (20%) chance of inland showers and patchy fog late Wednesday night,
• Mostly cloudy with patchy AM fog,  sunny and a bit cooler Thursday afternoon,  partly cloudy at night,
• Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
• lows 59-54 highs near 74.
• Partly cloudy Saturday and Saturday night,
• Mostly sunny and a bit warmer Sunday, mostly clear at night,
• Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
• Then partly cloudy and a bit cooler Tuesday.
• highs near 76 lows near 57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Partly cloudy this evening, mostly cloudy late tonight,
•  A mix of clouds and sun and a bit cooler Wednesday,  mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Wednesday night,
• Mostly cloudy with a slight (20%) chance of AM  showers, sunny and a bit cooler Thursday, partly cloudy in the evening, mostly clear late at night,
• Sunny and a bit warmer Friday, mostly clear Friday night.
• free air freezing level 13,000 ft. tonight, 12,000 ft. Wednesday, snow level above 8,000 ft. Wednesday night, 8,000 ft. Thursday, free air freezing level 13,000 ft. rising to 14,000 ft. Friday afternoon, then 16,000 ft. Friday night.
• lows 46-48 cooling t0 44 Thursday night highs 70-68 warming back to 70 Thursday.
• Sunny and a bit warmer  Saturday, partly cloudy in the evening, mostly clear late Saturday night,
• Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then sunny and a bit cooler Tuesday.
• free air freezing level 16,000 ft. Saturday, above 16,000 ft. Saturday night through Sunday night, then 16,000 ft. Monday through Tuesday.
• highs 77-85 lows 50-55.

An Upper Level Low Pressure Trough  (“U “Shape) keeps up the onshore airflow to control temperatures. The graphics for days 1-3 show no frontal systems moving into the Pacific Northwest. The graphics for days 3-7  Friday through Tuesday show a frontal system on the way to Oregon  between Thursday and Friday. Another front looks like it will slide down from the north 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.

_______________

Measured 8.4.25

________________

_______________

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

• Partly cloudy with areas of AM coastal fog while patchy AM inland fog, sunny and a bit warmer this afternoon, mostly cloudy with patchy coastal fog and a slight (20%) chance of showers late tonight while partly cloudy inland this evening and mostly cloudy with a slight (20%) chance of inland showers late tonight and patchy fog late tonight,
• Mostly cloudy with a slight (20%) chance of coastal showers Wednesday while mostly cloudy with patchy fog and a slight (20%) chance of inland AM showers, mostly cloudy and a bit warmer inland Wednesday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of evening showers, then mostly cloudy with areas of fog late at night,
• Mostly cloudy with AM fog and a slight (20%) chance of showers, just partly cloudy Thursday afternoon, then mostly cloudy Thursday night.
• highs near 74 lows 59-54.
• Mostly sunny and a bit warmer Friday, mostly clear Friday night,
• Then mostly sunny Saturday, Sunday, and Monday, mostly clear each night.
• highs near 76 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, partly cloudy this evening, mostly cloudy late tonight,
• Mostly cloudy with a slight (20%) chance of AM rain, mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday afternoon,  mostly cloudy with a slight (20%) chance of showers at night,
• Mostly sunny and a bit warmer Thursday, then partly cloudy Thursday night.
• free air freezing level 13,000 ft. today and tonight, snow level above 8,000 ft. Wednesday and Wednesday night, free air freezing level 13,000 ft. Thursday, then 14,000 ft. Thursday night,
• highs 70-68 warming back to 70 Thursday lows 46-48 cooling t0 44 Thursday night.
• Sunny and a bit warmer Friday and Saturday, mostly clear both nights,
• Then sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
• free air freezing level 15,000 ft. Friday, 16,000 ft. Friday night and Saturday, above 16,000 ft. Saturday night through Sunday night, then 16,000 ft. Monday.
• highs 77-85 lows 50-55.

An Upper Level Low Pressure Trough  (“U “Shape) keeps up the onshore airflow to control temperatures. The graphics for days 1-3 show no frontal systems moving into the Pacific Northwest. The graphics for days 3-7  Thursday through Monday show a frontal system on the way to Oregon  between Thursday and Friday.

______________

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.

_______________

________________

_______________

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

• AM clouds with patchy fog, sunny and a bit warmer this afternoon, partly cloudy with patchy evening coastal fog and areas of coastal fog late tonight while patchy inland fog late tonight,
• Partly cloudy with areas of AM coastal fog while patchy AM inland fog, partly cloudy and a bit warmer Tuesday afternoon and evening, partly cloudy with patchy coastal fog and a slight (20%) chance of showers late Tuesday night while mostly cloudy with a slight (20%) chance of inland showers and patchy inland fog late at night,
• Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of evening showers, then mostly cloudy with areas of fog late Wednesday night.
• highs 72-75 lows 54-59 .
• Mostly cloudy AM fog and a slight (20%) chance of showers, just mostly cloudy and a bit cooler Thursday afternoon, mostly cloudy with patchy fog late Thursday night,
• Some AM clouds with patchy fog, sunny and a bit warmer Friday afternoon, mostly clear Friday night,
• Then mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night.
• highs 74-78 lows 55-57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Mostly sunny and a bit warmer today, mostly clear this evening, partly cloudy late tonight,
• Sunny and a bit warmer Tuesday, partly cloudy at night,
• Mostly sunny and a bit cooler Wednesday, then mostly cloudy with a slight (20% chance of showers Wednesday night.
• free air freezing level 12,000 ft.  today, 13,000 ft. tonight through Wednesday, then snow level above 8,000 ft. Wednesday night.
• highs 67-72 cooling to 70 Wednesday lows 43-48.
• A mix of clouds and sun Thursday, partly cloudy Thursday night,
• Sunny and a bit warmer Friday and Saturday, mostly clear both nights,
• Then sunny and a bit warmer Sunday.
• free air freezing level 14,000 ft. Thursday, 15,000 ft. Thursday night, 14,000 ft. Thursday, 15,000 ft. Thursday night through Saturday, then 16,000 ft. Saturday night and Sunday.
• highs 70-84 lows 45-52.

An Upper Level Low Pressure Trough  (“U “Shape) keeps up the onshore airflow to control temperatures. The graphics for days 1-3 show no frontal systems moving into the Pacific Northwest. The graphics for days 3-7  Wednesday through Sunday show a frontal system on the way to Oregon  between Thursday and Friday.

______________

ADVISORIES:

• A RED FLAG WARNING FOR ABUNDANT LIGHTNING ON DRY FUELS IS IN EFFECT UNTIL 8 PM TONIGHT FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.*A RED FLAG WARNING FOR ABUNDANT LIGHTNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR THE SOUTHERN BLUE MOUNTAINS.
• A RED FLAG WARNING FOR LIGHTNING IS IN EFFECT UNTIL 9 PM MDT TONIGHT FOR THE THE BURNS BLM, CENTRAL CANYONLANDS, NORTHWESTERN VALE BLM, AND THE BAKER VALLEY. (SPECIFICALLY FOR THE COW VALLEY AND DURKEE BURN SCAR)
• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING UNTIL 8 PM TONIGHT FOR THE SOUTHERN BLUE MOUNTAINS.
• A FLASH FLOOD WARNING IS IN EFFECT 8:45 PM MDT TONIGHT FOR SOUTH CENTRAL BAKER AND NORTH CENTRAL MALHEUR COUNTIES.
• A FLOOD ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR DESCHUTES COUNTY.

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.

_______________

________________

_______________

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

• Mostly cloudy with patchy late evening fog and areas of coastal fog late tonight while mostly cloudy with patchy inland fog late tonight,
• AM clouds with patchy fog, sunny and a bit warmer Monday afternoon, partly cloudy with patchy evening coastal fog and areas of coastal fog late at night while patchy inland fog late Monday night,
• Partly cloudy with areas of AM coastal fog while patchy AM inland fog, partly cloudy and a bit warmer Tuesday afternoon and evening, partly cloudy with patchy coastal fog and a slight (20%) chance of showers late Tuesday night while mostly cloudy with a slight (20%) chance of inland showers and patchy inland fog late at night,
• Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of evening showers, then mostly cloudy with areas of fog late Wednesday night.
• lows 54-58 highs 72-75.
• Mostly cloudy AM fog and a slight (20%) chance of showers, just mostly cloudy and a bit cooler Thursday afternoon, mostly cloudy with patchy fog late Thursday night,
• Some AM clouds with patchy fog, sunny and a bit warmer Friday afternoon, mostly clear Friday night,
• Then mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night.
• highs 74-78 lows 55-57.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

• Mostly cloudy tonight,
• Mostly sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
• Sunny and a bit warmer Tuesday, partly cloudy at night,
• Mostly sunny and a bit cooler Wednesday, then mostly cloudy with a slight (20% chance of showers Wednesday night.
• free air freezing level 13,000 ft. falling to 12,000 ft. tonight, 12,000 ft.  Monday, 13,000 ft. Monday night through Wednesday, then snow level above 8,000 ft. Wednesday night.
• lows 43-48 highs 67-72 cooling to 70 Wednesday.
• A mix of clouds and sun Thursday, partly cloudy Thursday night,
• Sunny and a bit warmer Friday and Saturday, mostly clear both nights,
• Then sunny and a bit warmer Sunday.
• free air freezing level 14,000 ft. Thursday, 15,000 ft. Thursday night, 14,000 ft. Thursday, 15,000 ft. Thursday night through Saturday, then 16,000 ft. Saturday night and Sunday.
• highs 70-84 lows 45-52.