An Upper Level High Pressure Ridge (“Arch” shape) has taken over bringing lots of sunshine to the Pacific Northwest The graphics for days 1-3 show no frontal systems approaching Oregon through the period. The graphics for days 3-7 Saturday through Wednesday show a complex frontal system that will move into the Pacific Northwest between Saturday and Sunday. Another front will be approaching the coast and moving south next Tuesday. __________
ADVISORIES:
- A FLOOD WARNING IS IN EFFECT UNTIL LATE THURSDAY NIGHT FOR THE PUDDING RIVER AT AURORA AFFECTING MARION AND CLACKAMAS COUNTIES.
- A FLOOD WARNING IS IN EFFECT UNTIL THURSDAY AFTERNOON FOR THE SPRAGUE RIVER NEAR BEATTY AFFECTING KLAMATH COUNTY.
- A FLOOD WARNING IS IN EFFECT THROUGH SATURDAY AFTERNOON FOR THE MALHEUR RIVER NEAR VALE AFFECTING MALHEUR 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 Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly clear with patchy dense fog late tonight,
- Patchy AM dense fog, sunny and a bit warmer Thursday afternoon, mostly clear with patchy dense fog late Thursday night,
- Patchy dense AM fog, sunny Friday, mostly clear in the evening, partly cloudy at night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Saturday, mostly cloudy with a good (50%) chance of rain Saturday night,
- lows 37-44 highs 63-58.
- Mostly cloudy and a bit cooler with rain likely (70%) Sunday, then a good (50%) chance of rain Sunday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday and at night,
- Mostly cloudy with a good (50%) AM rain, A mix of clouds and sun with a good (50%) chance of rain Tuesday afternoon, mostly cloudy with a good (50%) chance of rain and Tuesday night,
- Then a mix of clouds and sun and a bit warmer with a good (50%) chance of rain Wednesday.
- highs 55-53 warming back to 55 Wednesday lows 42-38. (seasonal averages high 54 low 36).
HOME WOOD HEATING ADVISORY:
The Eugene & Springfield: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
Oakridge And Westfir: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
________________
:Forecast for the Umpqua Valley including Roseburg:
- Mostly clear with patchy dense fog late tonight,
- Patchy AM dense fog, sunny and slightly cooler Thursday afternoon, mostly clear with patchy fog Thursday night,
- Patchy AM dense fog, sunny Friday afternoon, mostly clear in the evening, partly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of AM rain, mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, rain likely (70%) Saturday night,
- Mostly cloudy with AM showers, rain likely (70%) and a bit cooler Sunday afternoon, then showers likely (70%) Sunday night.
- lows 37-45 highs 68-62.
- Mostly cloudy with showers likely (70%) and a bit cooler Monday, a (30%) chance of showers with patchy fog Monday night,
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Tuesday afternoon, a good (50%) chance of showers Tuesday night,
- Then mostly cloudy with a good (50%) chance of showers Wednesday.
- highs 55-53 warming to 55 Tuesday and Wednesday lows 42-39. (seasonal averages high 56 low 38)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear with patchy inland fog late tonight,
- Patchy AM dense fog, sunny and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly clear with patchy dense fog Thursday night,
- Sunny and a bit warmer Friday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of coastal rain and patchy fog late at night while mostly cloudy with areas of inland fog late at night,
- Patchy AM fog, mostly cloudy and a bit cooler with a (30%) chance of rain Saturday, rain likely (70%) Saturday night,
- Mostly cloudy and a bit cooler with showers likely (70%) Sunday, then showers likely (70%) at night.lows 40-39 warming to 42 Friday night highs 62-64 cooling to 57 Saturday.
- Mostly cloudy with patchy AM fog, showers likely (70%) and a bit warmer Monday afternoon, a good (50%) chance of showers with patchy fog Monday night,
- Mostly cloudy with showers likely (70%) Tuesday and Tuesday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday.
- highs 54-56 lows 40-38. (seasonal averages high 55 low 41)
_______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
- Sunny and slightly warmer Friday, mostly clear at night,
- Mostly sunny and a bit cooler Saturday, then rain and snow likely (70%) Saturday night.
- free air freezing level 11,000 ft. late tonight, 11,000 ft. rising to 12,000 ft. Thursday afternoon, 11,000 ft. falling to 10,000 ft. late Thursday night, 11,000 ft. Friday, 12,000 ft. falling to 11,000 ft. late Friday night, 10,000 ft. Saturday, then snow level 6,000 ft. Saturday night.
- lows 29-32 highs 47-56.
- Mostly cloudy and cooler with rain and snow Sunday, rain and snow likely (70%) Sunday night,
- Mostly cloudy and a bit cooler with snow and rain likely (70%) Monday, a good (50%) chance of rain and snow Monday night,
- Mostly cloudy and a bit warmer with snow and rain likely (70%) Tuesday, a good (50%) chance of rain and snow Tuesday night,
- Then mostly cloudy and a bit warmer with rain and snow likely (70%) Wednesday.
- snow level 5,000 ft. Sunday, 4,500 ft. Sunday night, 3,500 ft. Monday through Tuesday, then 4,000 ft. Tuesday night and Wednesday.
- highs 47-56 lows 23-32.