Sep
24.
Here is my new weekly weather quiz question. What is “Steam Fog?”
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An Upper Level High Pressure Ridge (“Arch” shape) took over control of our weather for just one day. The graphics for days 1-3 show a cold frontal system moving through Oregon Wednesday. The graphics for days 3-7 Friday through Tuesday show a cold front will be moving into Oregon Friday with another front offshore next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 43 in the Good category measuring Particulate Matter
Oakridge: The Air Quality Index is 23 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)
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ADVISORIES:
- A WIND ADVISORY IS IN EFFECT FROM 11 AM UNTIL 11 PM WEDNESDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly clear this evening, partly cloudy late tonight,
- Mostly cloudy with a good (50%) chance of AM rain, much cooler with a (50%) chance of showers Wednesday afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening showers (under 0.10 in. of rain possible), just mostly cloudy late Wednesday night,
- Mostly sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late at night,
- AM clouds and sun, mostly sunny Friday afternoon, then mostly clear Friday night.
- lows 57-50 warming to 52 Thursday night cooling to 46 Friday night highs 73-76.
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Sunny Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Then sunny and a bit cooler Tuesday.
- highs 78-80 cooling back to 78 Tuesday lows 47-45 warming back to 47 Monday night. (seasonal averages high 75 low 46)
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Your Saturday College Football Weather Forecast:
Saturday September 28:
Ducks vs UCLA Bruins at the Rose Bowl Stadium, Pasadena, CA: Game time 8 pm- Weather forecast: Partly Cloudy 70 degrees and cooling throughout the game.
Beavers have a Bye week.
Next Game:
Saturday October 5th:
Beavers vs Colorado State Rams at Reser Stadium: Game time 3:30 pm- Way too soon for a Preliminary weather forecast.
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Partly cloudy with a (30%) chance of AM rain, mostly cloudy and much cooler with a (30%) chance of rain Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening rain, just mostly cloudy late Wednesday night,
- Mostly cloudy with patchy AM fog, sunny and a bit warmer Thursday afternoon, mostly clear Thursday night,
- Mostly sunny Friday, then mostly clear Friday night.
- lows 58-50 highs 76-80.
- Mostly sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy Saturday night,
- Mostly sunny and a bit cooler Sunday, mostly clear at night,
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Then mostly sunny Tuesday.
- highs 82-79 warming to 83 Monday lows 52-49 warming back to 52 Monday night. (seasonal averages high 77 low 50)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear with evening with patchy coastal fog and mostly cloudy with patchy dense coastal fog late tonight while mostly cloudy with late evening patchy inland fog continuing throughout the night tonight,
- Patchy AM fog, mostly cloudy with coastal rain likely (70%) Wednesday while patchy inland AM fog and a good (50%) chance of rain, mostly cloudy with a (40%) chance of rain late Wednesday night,
- Some AM clouds with patchy fog, sunny and a bit warmer Thursday afternoon, mostly clear in the evening, partly cloudy with a slight (20%) chance of coastal rain late rain at night,
- Some AM clouds, sunny Friday afternoon, then mostly clear Friday night.
- lows 50-52 highs 65-69 cooling to 67 Friday.
- Mostly sunny and a bit cooler Saturday, partly cloudy Saturday night,
- Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
- Then mostly sunny and a bit cooler Tuesday.
- highs 63-70 cooling to 68 Tuesday lows 48-50. (seasonal average high 66 low 50)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Evening haze, mostly clear late tonight,
- Mostly cloudy with a slight (20%) chance of AM rain, mostly cloudy and cooler with a good (50%) chance of showers Wednesday with a good (50%) chance of showers Wednesday afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening showers (under 0.10 in. of rain possible), just mostly cloudy late Wednesday night,
- Sunny and a bit warmer Thursday, mostly clear at night,
- Sunny and a bit warmer Friday, then mostly clear Friday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, snow level above 8,000 ft. Wednesday and Wednesday night, free air freezing level 14,000 ft. rising to 15,000 ft. Thursday afternoon, then 15,000 ft. Thursday night through Friday night.
- lows 52-42 warming to 45 Friday night highs 75-70.
- Sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night,
- Sunny and a bit cooler Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Then sunny and a bit cooler Tuesday.
- free air freezing level 14,000 ft. Saturday through Sunday, 15,000 ft. Sunday night, then 16,000 ft. Monday through Tuesday.
- highs 76-68 warming to 72 Monday cooling to 70 Tuesday lows 44-42 warming back to 44 Monday night.