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Tim Chuey Weather

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front that’s sliding out of the Pacific Northwest Saturday for cooling. The graphics for days 3-7  Wednesday through Sunday show a frontal system offshore Thursday then moving in next Friday.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM 2PM UNTIL 11 PM SUNDAY FOR THE KLAMATH BASIN AND THE FREMOINT-WINEMA NATIONAL FOREST, THE SOUTH CENTRAL  OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY 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.

_______________

Air Quality Index:
Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 12 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: 8 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.25.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit warmer Monday, clear at night,
  • Sunny and a bit warmer Tuesday, then mostly clear in the evening, partly cloudy late Tuesday night.
  • highs 85-92 lows 52-56.
  • Sunny and a bit cooler Wednesday, partly cloudy in the evening, mostly cloudy Wednesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, mostly cloudy in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Friday, partly cloudy in the evening, clear late Friday night,
  • Then sunny and a bit warmer Saturday.
  • highs 90-85 warming to 87 Saturday lows 57-55. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Patchy AM fog, sunny and a bit warmer this afternoon, mostly clear with patchy fog late tonight,
  •  Sunny and a bit cooler Monday, clear at night,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night.
  • highs 92-86 warming to 88 Tuesday lows 56-60.
  • Sunny with a slight (20%) chance of thunderstorms Wednesday afternoon, mostly cloudy with a slight (20%) chance of thunderstorms,  a slight (20%) chance showers late Wednesday night,
  • Mostly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Thursday, partly cloudy a slight (20%) chance of evening showers with patchy fog late at night,
  • Some AM clouds with patchy fog, sunny Friday afternoon, mostly clear with patchy fog late Friday night,
  • Some AM clouds, then sunny and a bit warmer Saturday afternoon.
  • highs 86-87 lows 62-59. (seasonal averages high 88 low 58).

_______________

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

  • Some AM clouds with patchy fog, sunny and a bit warmer this afternoon, mostly clear with patchy evening coastal fog, partly cloudy with areas of fog late tonight,
  • Patchy AM fog, sunny and a bit warmer Monday afternoon, mostly clear with areas of fog late at night,
  • Areas of AM fog, mostly sunny Tuesday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Tuesday night.
  • highs near 70-72 lows 52-54.
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Wednesday afternoon, patchy evening fog, mostly cloudy with patchy fog late Wednesday night,
  • Patchy AM/late night fog, mostly cloudy Thursday and at night,
  • AM AM/late night fog, partly cloudy and a bit warmer Friday and Friday night,
  • Patchy AM fog, then partly cloudy and a bit cooler with patchy fog Saturday afternoon.
  • highs 70-72 cooling back to 70 Saturday 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 with a slight (20%) chance of thunderstorms Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers, then mostly clear late at night,
  • Sunny and a bit warmer Tuesday, mostly cloudy with a slight (20%) chance of evening thunderstorms, then partly cloudy with a slight (20%) chance of thunderstorms late Tuesday night.
  • free air freezing level 13,000 ft. today through Monday, snow level above 8,000 ft. Monday night, then free air freezing level 14,000 ft. Tuesday and Tuesday night.
  • highs 74-82 lows 49-53.
  • Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Wednesday, mostly cloudy with a slight (20%) of thunderstorms Wednesday night,
  • A mix of clouds and sun and a bit cooler with a (30%) chance of showers a slight (20%) chance of thunderstorms Thursday, mostly cloudy with a slight (20%) chance of thunderstorms at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Friday, just partly cloudy Friday night,
  • Then sunny and a bit warmer Saturday.
  •  free air freezing level 14,000 ft.Wednesday and Wednesday night, snow level above 8,000 ft. Thursday, then free air freezing level  13,000 ft. Thursday night through Saturday.
  • highs 80-70 warming to 73 Saturday lows 52-48.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front that’s sliding out of the Pacific Northwest today for cooling. The graphics for days 3-7  Tuesday through Saturday show a frontal system offshore Thursday then moving in next 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.

_______________

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: 8 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.25.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly clear tonight,
  • Sunny and a bit warmer Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, clear at night,
  • Sunny and a bit warmer Tuesday, then mostly clear in the evening, partly cloudy late Tuesday night.
  • lows 52-56 highs 85-92.
  • Sunny and a bit cooler Wednesday, partly cloudy in the evening, mostly cloudy Wednesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, mostly cloudy in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Friday, partly cloudy in the evening, clear late Friday night,
  • Then sunny and a bit warmer Saturday.
  • highs 90-85 warming to 87 Saturday lows 57-55. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Clear with patchy fog late tonight,
  • Patchy AM fog, sunny and a bit warmer Sunday, mostly clear with patchy fog late Sunday night,
  •  Sunny and a bit cooler Monday, clear at night,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night.
  • lows 56-60 highs 92-86 warming to 88 Tuesday.
  • Sunny with a slight (20%) chance of thunderstorms Wednesday afternoon, mostly cloudy with a slight (20%) chance of thunderstorms,  a slight (20%) chance showers late Wednesday night,
  • Mostly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Thursday, partly cloudy a slight (20%) chance of evening showers with patchy fog late at night,
  • Some AM clouds with patchy fog, sunny Friday afternoon, mostly clear with patchy fog late Friday night,
  • Some AM clouds, then sunny and a bit warmer Saturday afternoon.
  • highs 86-87 lows 62-59. (seasonal averages high 88 low 58).

_______________

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

  • Mostly clear with patchy evening coastal fog and areas of coastal fog while inland patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit warmer Sunday afternoon, mostly clear with patchy evening coastal fog, partly cloudy with areas of fog late Sunday night,
  • Patchy AM fog, sunny and a bit warmer Monday afternoon, mostly clear with areas of fog late at night,
  • Areas of AM fog, mostly sunny Tuesday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Tuesday night.
  • lows 52-54 highs near 70-72.
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Wednesday afternoon, patchy evening fog, mostly cloudy with patchy fog late Wednesday night,
  • Patchy AM/late night fog, mostly cloudy Thursday and at night,
  • AM AM/late night fog, partly cloudy and a bit warmer Friday and Friday night,
  • Patchy AM fog, then partly cloudy and a bit cooler with patchy fog Saturday afternoon.
  • highs 70-72 cooling back to 70 Saturday lows 56-55.
  • (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 Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer with a slight (20%) chance of thunderstorms Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers, then mostly clear late at night,
  • Sunny and a bit warmer Tuesday, mostly cloudy with a slight (20%) chance of evening thunderstorms, then partly cloudy with a slight (20%) chance of thunderstorms late Tuesday night.
  • free air freezing level 13,000 ft. tonight through Monday, snow level above 8,000 ft. Monday night, then free air freezing level 14,000 ft. Tuesday and Tuesday night.
  • lows 45-53 highs 74-82.
  • Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Wednesday, mostly cloudy with a slight (20%) of thunderstorms Wednesday night,
  • A mix of clouds and sun and a bit cooler with a (30%) chance of showers a slight (20%) chance of thunderstorms Thursday, mostly cloudy with a slight (20%) chance of thunderstorms at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Friday, just partly cloudy Friday night,
  • Then sunny and a bit warmer Saturday.
  •  free air freezing level 14,000 ft.Wednesday and Wednesday night, snow level above 8,000 ft. Thursday, then free air freezing level  13,000 ft. Thursday night through Saturday.
  • highs 80-70 warming to 73 Saturday lows 52-48.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front that slid through the Pacific Northwest Friday for cooling. The graphics for days 3-7  Tuesday through Saturday show a frontal system offshore Thursday then moving in next 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.

_______________

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: 8 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.25.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly sunny and a bit cooler today, mostly clear tonight,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, then mostly clear Monday night.
  • highs 82-87 lows 52-53.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Sunny and a bit cooler Wednesday mostly clear at night,
  • Mostly cloudy start, a mix of clouds and sun and a bit cooler Thursday afternoon, partly cloudy Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 92-84 warming to 87 Friday lows 55-57 cooling back to 55 Thursday night. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:,

  • Some AM clouds with patchy fog, sunny and a bit cooler this afternoon,  mostly clear with patchy fog late tonight,
  • Sunny and a bit warmer Sunday, clear with patchy fog late at night,
  •  Sunny and a bit warmer Monday, clear with patchy fog late Monday night.
  • highs 84-88 lows 56-58.
  • Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Wednesday and in the evening, mostly cloudy with patchy fog and a slight (20%) chance of showers late at night,
  • AM clouds with patchy fog and a slight (20%) chance of showers, sunny and a bit cooler with a slight (20%) chance of showers Thursday afternoon, just partly cloudy Thursday night,
  • Then partly cloudy and a bit warmer Friday.
  • highs 92-85 warming to 88 Friday lows 60-62. (seasonal averages high 88 low 58).

_______________

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

  • AM clouds with areas of fog, sunny and a bit cooler this afternoon, mostly clear with patchy evening coastal fog, and areas of fog late tonight,
  • Some AM clouds with areas of fog, sunny Sunday afternoon, mostly clear with patchy evening coastal fog, partly cloudy with areas of fog late Sunday night,
  • Patchy AM fog, sunny Monday afternoon, mostly clear with areas of fog late Monday night.
  • highs near 70 lows near 52.
  • Areas of AM fog, mostly sunny and a bit warmer Tuesday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Tuesday night,
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Wednesday afternoon, patchy evening fog, mostly cloudy with patchy fog late Wednesday night,
  • AM clouds with patchy fog, partly cloudy Thursday afternoon, patchy evening fog, mostly cloudy with patchy fog late Thursday night,
  • A clouds, then sunny and a bit warmer Friday afternoon.
  • highs 72-70 warming back to 72 Friday lows 55-56.
  • (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

  • Sunny and a bit cooler today, mostly clear tonight,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, then mostly clear late Monday night.
  • free air freezing level 13,000 ft. today through Monday night.
  • highs 74-72 warming to 73 Sunday lows 45-52.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday, mostly cloudy with a slight (20%) of thunderstorms Wednesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of thunderstorms Thursday, partly cloudy with a slight (20%) chance of thunderstorms Thursday night,
  • Then mostly sunny Friday.
  •  free air freezing level 14,000 ft. Tuesday through Thursday, then 13,000 ft. Thursday night and Friday.
  • highs 79-82 cooling to 76 Thursday lows near 52.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front that slid through the Pacific Northwest today for cooling. The graphics for days 3-7  Monday through Friday show a frontal system offshore Thursday then moving in next Friday.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 18 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 22 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: 8 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.25.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, then mostly clear Monday night.
  • lows 53-52 warming back to 53 Monday night highs 82-87.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Sunny and a bit cooler Wednesday mostly clear at night,
  • Mostly cloudy start, a mix of clouds and sun and a bit cooler Thursday afternoon, partly cloudy Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 92-84 warming to 87 Friday lows 55-57 cooling back to 55 Thursday night. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy with patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit cooler Saturday afternoon,  mostly clear with patchy fog late Saturday night,
  • Sunny and a bit warmer Sunday, clear with patchy fog late at night,
  •  Sunny and a bit warmer Monday, clear with patchy fog late Monday night.
  • lows 58-56 warming back to 58 Monday night highs 84-88.
  • Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Wednesday and in the evening, mostly cloudy with patchy fog and a slight (20%) chance of showers late at night,
  • AM clouds with patchy fog and a slight (20%) chance of showers, sunny and a bit cooler with a slight (20%) chance of showers Thursday afternoon, just partly cloudy Thursday night,
  • Then partly cloudy and a bit warmer Friday.
  • highs 92-85 warming to 88 Friday lows 60-62. (seasonal averages high 88 low 58).

_______________

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

  • Partly cloudy with patchy coastal evening fog and mostly cloudy with areas of coastal fog late tonight while becoming mostly cloudy patchy late evening inland fog and areas of inland fog late tonight,
  • AM clouds with areas of fog, sunny and a bit cooler Saturday afternoon, mostly clear with patchy evening coastal fog, and areas of fog late Saturday night,
  • Some AM clouds with areas of fog, sunny Sunday afternoon, mostly clear with patchy evening coastal fog, partly cloudy with areas of fog late Sunday night,
  • Patchy AM fog, sunny Monday afternoon, mostly clear with areas of fog late Monday night.
  • lows 53-52 highs near 70.
  • Areas of AM fog, mostly sunny and a bit warmer Tuesday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Tuesday night,
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Wednesday afternoon, patchy evening fog, mostly cloudy with patchy fog late Wednesday night,
  • AM clouds with patchy fog, partly cloudy Thursday afternoon, patchy evening fog, mostly cloudy with patchy fog late Thursday night,
  • A clouds, then sunny and a bit warmer Friday afternoon.
  • highs 72-70 warming back to 72 Friday lows 55-56.
  • (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 cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, then mostly clear late Monday night.
  • free air freezing level 14,000 ft. tonight, then 13,000 ft. Saturday through Monday night.
  • lows 45-4 highs 74-72 warming to 73 Sunday.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Wednesday, mostly cloudy with a slight (20%) of thunderstorms Wednesday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of thunderstorms Thursday, partly cloudy with a slight (20%) chance of thunderstorms Thursday night,
  • Then mostly sunny Friday.
  •  free air freezing level 14,000 ft. Tuesday through Thursday, then 13,000 ft. Thursday night and Friday.
  • highs 79-82 cooling to 76 Thursday lows near 52.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front to our north today then sliding through the Pacific Northwest today for cooling. The graphics for days 3-7  Monday through Friday show a frontal system offshore Thursday then moving in next Friday.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 18 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 22 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: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly sunny and a bit cooler today, mostly clear tonight,
  • Mostly sunny and a bit cooler Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • highs 83-79 warming back to 83 Sunday lows 52-50.
  • Sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
  • Then sunny and a bit cooler Wednesday and Thursday, partly cloudy in the evening, clear late Wednesday night,
  • highs 87-89 cooling to 87 Thursday lows 52-55. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds with patchy fog, sunny and a bit cooler this afternoon, mostly clear with patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit cooler Saturday afternoon,  mostly clear with patchy fog late at night,
  • Some AM clouds, sunny and a bit warmer Sunday afternoon, then mostly clear with patchy fog late Sunday night,
  • highs 84-82 warming back to 84 Sunday lows 57-55.
  •  Sunny and a bit warmer Monday, clear with patchy fog late Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear at night,
  • Mostly sunny and a bit cooler Wednesday afternoon, partly cloudy with patchy fog Wednesday night,
  • Patchy AM fog, then partly cloudy and a bit cooler Thursday.
  •  highs 88-90 cooling to 88 Thursday lows 57-60. (seasonal averages high 88 low 58).

_______________

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 this evening, mostly cloudy late tonight,
  • Partly cloudy and a bit cooler Saturday and at night,
  • Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • highs 70-68 warming back to 70 Sunday lows 53-52.
  • Patchy AM fog, sunny Monday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, mostly cloudy with patchy fog late at night,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler Wednesday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Wednesday night,
  • AM clouds with patchy fog, then sunny and a bit warmer Thursday.
  • highs 70-72 cooling back to 70 Wednesday warming back to 72 Thursday lows 52-56.
  • (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

  • Sunny and a bit cooler today and Saturday, mostly clear both nights,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • free air freezing level 14,000 ft. today and tonight, then 13,000 ft. Saturday through Sunday night.
  • highs 74-72 warming to 73 Sunday lows 45-4.
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear late Monday night,
  • Sunny and a bit warmer Tuesday, partly cloudy at night,
  • Then sunny and a bit cooler Wednesday and Thursday, mostly cloudy with a slight (20%) of evening showers, partly cloudy with a slight (20%) chance of showers late Wednesday night,
  • free air freezing level 13,000 ft. Monday, 14,000 ft. Monday night through Wednesday, snow level above 8,000 ft. Wednesday night, then free air freezing level 14,000 ft. Thursday.
  • highs 79-82 cooling to 76 Thursday lows near 52.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front to our north today then sliding through the Pacific Northwest Friday for cooling. The graphics for days 3-7  Sunday through Thursday show no frontal activity moving into the Pacific Northwest through the period.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT THROUGH 11 PM TONIGHT  FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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 IS IN EFFECT FROM 1 PM UNTIL 11 PM FRIDAY AFTERNOON FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 33 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 21 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 24 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
Eugene-Springfield Area Pollen count:
GRASS: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Friday, mostly clear Friday night,
  • Mostly sunny and a bit cooler Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • lows 53-50 highs 83-79 warming back to 83 Sunday.
  • Sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
  • Then sunny and a bit cooler Wednesday and Thursday, partly cloudy in the evening, clear late Wednesday night,
  • highs 87-89 cooling to 87 Thursday lows 52-55. (seasonal averages high 86 low 53).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear with patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny and a bit cooler Friday afternoon, mostly clear with patchy fog late Friday night,
  • Some AM clouds with patchy fog, sunny and a bit cooler Saturday afternoon,  mostly clear with patchy fog late at night,
  • Some AM clouds, sunny and a bit warmer Sunday afternoon, then mostly clear with patchy fog late Sunday night,
  • lows 57-55 highs 84-82 warming back to 84 Sunday.
  •  Sunny and a bit warmer Monday, clear with patchy fog late Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear at night,
  • Mostly sunny and a bit cooler Wednesday afternoon, partly cloudy with patchy fog Wednesday night,
  • Patchy AM fog, then partly cloudy and a bit cooler Thursday.
  •  highs 88-90 cooling to 88 Thursday lows 57-60. (seasonal averages high 88 low 58).

_______________

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

  • Partly cloudy this evening, becoming mostly cloudy with patchy late evening fog that continues overnight tonight,
  • AM clouds with patchy fog, sunny and a bit warmer Friday afternoon,  partly cloudy in the evening, mostly cloudy late Friday night,
  • Partly cloudy and a bit cooler Saturday and at night,
  • Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • lows 54-52 highs 70-68 warming back to 70 Sunday.
  • Patchy AM fog, sunny Monday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, mostly cloudy with patchy fog late at night,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler Wednesday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Wednesday night,
  • AM clouds with patchy fog, then sunny and a bit warmer Thursday.
  • highs 70-72 cooling back to 70 Wednesday warming back to 72 Thursday lows 52-56.
  • (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 cooler Friday and Saturday, mostly clear both nights,
  • Sunny and a bit warmer Sunday, then mostly clear Sunday night.
  • free air freezing level 15,000 ft. tonight, 14,000 ft. Friday and  Friday night, then 13,000 ft. Saturday through Sunday night.
  • lows 46-45 warming 47 Sunday night highs 74-72 warming to 73 Sunday.
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear late Monday night,
  • Sunny and a bit warmer Tuesday, partly cloudy at night,
  • Then sunny and a bit cooler Wednesday and Thursday, mostly cloudy with a slight (20%) of evening showers, partly cloudy with a slight (20%) chance of showers late Wednesday night,
  • free air freezing level 13,000 ft. Monday, 14,000 ft. Monday night through Wednesday, snow level above 8,000 ft. Wednesday night, then free air freezing level 14,000 ft. Thursday.
  • highs 79-82 cooling to 76 Thursday lows near 52.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front to our north today then sliding through the Pacific Northwest for cooling. The graphics for days 3-7  Sunday through Thursday show no frontal  activity moving into the Pacific Northwest through the period.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT FROM 1 PM THROUGH 11 PM TODAY  FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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 FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING  FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 36 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 29 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
Eugene-Springfield Area Pollen count:
GRASS: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Sunny and a bit cooler today, mostly clear tonight,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Sunny Saturday, then mostly clear Saturday night.
  • highs 87-83 lows near 52.
  • Sunny Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
  • Then sunny and a bit cooler Wednesday.
  • highs 83-90 cooling to 88 Wednesday lows 52-55. (seasonal averages high 86 low 52).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Sunny today, mostly clear tonight,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
  • highs 90-83 lows 57-55.
  • Mostly  sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Some AM clouds, then sunny and a bit cooler Wednesday afternoon.
  •  highs 85-90 cooling to 88 Wednesday lows 56-59. (seasonal averages high 88 low 58).

_______________

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

  • AM clouds, sunny and a bit warmer today, partly cloudy this evening, mostly cloudy late tonight,
  • AM clouds, sunny and a bit cooler Friday afternoon,  mostly clear in the evening, mostly cloudy late at night,
  • Then partly cloudy Saturday and Saturday night.
  • highs 70-69 lows 54-52.
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Partly cloudy Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy start, then partly cloudy and a bit cooler Wednesday afternoon.
  • highs 70-72 cooling back to 70 Wednesday lows 52-54.
  • (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

  • Sunny and a bit cooler today, mostly clear tonight,
  • Sunny and a bit cooler Friday and Saturday, mostly clear both nights,
  • free air freezing level 14,000 ft. today, 15,000 ft. tonight, 14,00 ft. Friday and  Friday night, then 13,000 ft. Saturday and Saturday night.
  • highs 78-73 lows 48-45.
  • Sunny Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear at night,
  • Sunny and a bit warmer Tuesday, partly cloudy in the evening, clear late Tuesday night,
  • Then sunny and a bit cooler Wednesday.
  • free air freezing level 13,000 ft. Sunday, 14,000 ft. Sunday night, 13,000 ft. Monday, 14,000 ft. Monday night, then 14,000 ft. Tuesday through Wednesday.
  • highs 73-82 cooling to 79 Wednesday lows 48-52.
 ______

A slow moving Upper Level Low Pressure Trough  (“U” shape) starts a slow cooling trend. The graphics for days 1-3 show a weak cold front to our north Thursday then sliding through the Pacific Northwest. The graphics for days 3-7  Saturday through Wednesday show no frontal  activity moving into the Pacific Northwest through the period.

 

______________

ADVISORIES:

  • A RED FLAG WARNING IS IN EFFECT FROM 1 PM THROUGH 11 PM THURSDAY  FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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 FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING  FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 49 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 37 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
Eugene-Springfield Area Pollen count:
GRASS: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Mostly clear tonight,
  • Sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, mostly clear at night,
  • Sunny Saturday, then mostly clear Saturday night.
  • lows 54-52 highs 87-83.
  • Sunny Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
  • Then sunny and a bit cooler Wednesday.
  • highs 83-90 cooling to 88 Wednesday lows 52-55. (seasonal averages high 86 low 52).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Sunny Thursday, mostly clear Thursday night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
  • lows 59-55 highs 90-83.
  • Mostly  sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Some AM clouds, then sunny and a bit cooler Wednesday afternoon.
  •  highs 85-90 cooling to 88 Wednesday lows 56-59. (seasonal averages high 88 low 58).

_______________

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

  • Partly cloudy this evening, mostly cloudy late tonight,
  • AM clouds, sunny and a bit warmer Thursday, partly cloudy in the evening,  mostly cloudy late Thursday night,
  • AM clouds, sunny and a bit cooler Friday afternoon,  mostly clear in the evening, mostly cloudy late at night,
  • Then partly cloudy Saturday and Saturday night.
  • lows 54-52 highs 70-69.
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Partly cloudy Tuesday, partly cloudy Tuesday night,
  • Mostly cloudy start, then partly cloudy and a bit cooler Wednesday afternoon.
  • highs 70-72 cooling back to 70 Wednesday lows 52-54.
  • (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 cooler Thursday, mostly clear Thursday night,
  • Sunny and a bit cooler Friday and Saturday, mostly clear both nights,
  • free air freezing level 14,000 ft. tonight and Thursday, 15,000 ft. Thursday night, 14,00 ft. Friday and  Friday night, then 13,000 ft. Saturday and Saturday night.
  • lows 50-45 highs 78-73.
  • Sunny Sunday, mostly clear Sunday night,
  • Sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear at night,
  • Sunny and a bit warmer Tuesday, partly cloudy in the evening, clear late Tuesday night,
  • Then sunny and a bit cooler Wednesday.
  • free air freezing level 13,000 ft. Sunday, 14,000 ft. Sunday night, 13,000 ft. Monday, 14,000 ft. Monday night, then 14,000 ft. Tuesday through Wednesday.
  • highs 73-82 cooling to 79 Wednesday lows 48-52.
 ______

An Upper Level High Pressure Ridge (“Arch” shape) brings sunshine and warming temperatures. The graphics for days 1-3 show a weak cold front to our north Thursday. The graphics for days 3-7  Friday through Tuesday show a weak cold front sliding in and falling apart Saturday.

 

______________

ADVISORIES:

  • A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 42 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 37 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
Eugene-Springfield Area Pollen count:
GRASS: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Sunny and a bit warmer today, mostly clear  tonight,
  • Then sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  • highs 92-84 lows 54-52.
  • Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Then sunny and a bit warmer Monday and Tuesday, clear Monday night,
  • highs 84-90 lows 52-54. (seasonal averages high 86 low 52).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer today, clear tonight,
  • Sunny and a bit cooler Thursday, mostly clear at night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, then mostly clear Friday night.
  • highs 83-85 lows 60-57.
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly  sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Then mostly sunny Tuesday.
  •  highs 85-90 lows 56-59. (seasonal averages high 87 low 58).

_______________

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

  • AM clouds, sunny and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy late tonight,
  • AM clouds, sunny and a bit cooler Thursday, mostly clear in the evening,  mostly cloudy at night,
  • Then partly cloudy Friday and Friday night.
  • highs 70-69 lows 54-52.
  • Partly cloudy Saturday and Saturday night,
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Some AM clouds, then sunny and a bit cooler Tuesday afternoon.
  • highs 69-71  lows 52-53 cooling back to 52 Sunday night.
  • (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

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

  • Sunny and a bit warmer with areas of smoke this afternoon,  mostly clear tonight,
  • Sunny Thursday, mostly clear at night,
  • Sunny and a bit cooler Friday, then mostly clear Friday night.
  • free air freezing level 14,000 ft. today, 14,000 ft. tonight and Thursday, then 14,00 ft. Friday and  Friday night.
  • lows 49-52 cooling to 47 Friday night highs 78-75.
  • Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Then sunny Tuesday.
  • free air freezing level 13,000 ft. Saturday through Sunday night, 14,000 ft. Monday and Monday night, then 15,000 ft. Tuesday.
  • highs 73-80 lows 47-52.
 ______

An Upper Level High Pressure Ridge (“Arch” shape) brings sunshine and warming temperatures. The graphics for days 1-3 show a weak cold front to our north Thursday. The graphics for days 3-7  Friday through Tuesday show a weak cold front sliding in and falling apart Saturday.

 

______________

ADVISORIES:

  • A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, 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.

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 45 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 36 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
Eugene-Springfield Area Pollen count:
GRASS: 14 MODERATE
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 7.22.25
Data courtesy of Oregon Allergy Associates.
_______________

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

  • Clear tonight,
  • Sunny and a bit warmer Wednesday, mostly clear  Wednesday night,
  • Then sunny and a bit cooler Thursday and Friday, mostly clear both nights,lows 54-52 highs 92-84.
  • Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday, mostly clear at night,
  • Then sunny and a bit warmer Monday and Tuesday, clear Monday night,
  • highs 84-90 lows 52-54. (seasonal averages high 86 low 52).

________________

 

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • Sunny and a bit warmer Wednesday, clear Wednesday night,
  • Sunny and a bit cooler Thursday, mostly clear at night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, then mostly clear Friday night.
  • lows 59-60 cooling to 57 Friday night highs 83-85.
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly  sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Then mostly sunny Tuesday.
  •  highs 85-90 lows 56-59. (seasonal averages high 87 low 58).

_______________

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

  • Clear this evening, becoming mostly cloudy patchy coastal fog late late tonight,
  • AM clouds, sunny and a bit warmer Wednesday afternoon, partly cloudy in the evening, mostly cloudy late Wednesday night,
  • AM clouds, sunny and a bit cooler Thursday, mostly clear in the evening,  mostly cloudy at night,
  • Then partly cloudy Friday and Friday night.
  • lows 52-54 highs 70-69.
  • Partly cloudy Saturday and Saturday night,
  • Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Some AM clouds, then sunny and a bit cooler Tuesday afternoon.
  • highs 69-71  lows 52-53 cooling back to 52 Sunday night.
  • (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 with areas of smoke Wednesday afternoon,  mostly clear Wednesday night,
  • Sunny Thursday, mostly clear at night,
  • Sunny and a bit cooler Friday, then mostly clear Friday night.
  • free air freezing level 13,000 ft. tonight, 14,000 ft. Wednesday, 14,000 ft. Wednesday night and Thursday, then 14,00 ft. Friday and  Friday night.
  • lows 49-52 cooling to 47 Friday night highs 78-75.
  • Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
  • Then sunny Tuesday.
  • free air freezing level 13,000 ft. Saturday through Sunday night, 14,000 ft. Monday and Monday night, then 15,000 ft. Tuesday.
  • highs 73-80 lows 47-52.
 ______


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