Here is my new weekly weather quiz question. What is “Steam Fog?”
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An Upper Level High Pressure Ridge (“Arch” shape) will take over control of our weather today as the Low Pressure Trough (“U”) moved away overnight Sunday. The graphics for days 1-3 show a cold frontal system moving through Oregon Wednesday. The graphics for days 3-7 Thursday through Monday show a cold front will be moving into Oregon 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 Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy tonight.
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Mostly cloudy and cooler with showers likely (70%) Wednesday, a good (50%) chance of evening showers, just mostly cloudy late at night,
- AM clouds and sun, sunny and a bit warmer Thursday afternoon, mostly clear with a (0%) chance of evening showers, then partly cloudy with a slight (20%) chance of showers late Thursday night.
- lows 57-50 highs 90-73 warming to 75 Thursday.
- Mostly sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, partly cloudy in the evening, mostly clear at night,
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then sunny and a bit warmer Monday.
- highs 74-72 warming to 77 Monday lows 45-43 warming back to 45 Sunday night. (seasonal averages high 75 low 46)
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:
- Mostly clear tonight,
- Patchy dense AM fog, sunny and hazy areas of smoke and warmer Tuesday afternoon, mostly clear with patchy dense fog late Tuesday night,
- Some AM clouds, mostly cloudy and cooler with a slight (20%) chance of rain Wednesday afternoon, mostly cloudy with patchy fog and a (20%) chance of rain at night,
- Mostly cloudy with patchy AM fog, sunny and a bit warmer Thursday afternoon, then mostly cloudy with a slight (20%) chance of rain Thursday night.
- lows 60-53 highs 96-77
- Mostly sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly clear at night,
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then mostly sunny Monday.
- highs 77-75 warming to 77 Monday lows 50-45. (seasonal averages high 78 low 51)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this evening, mostly clear late tonight with patchy dense coastal fog late tonight while inland haze and areas of smoke late tonight,
- Patchy AM dense coastal while inland AM haze and patchy dense fog, sunny Tuesday afternoon, partly cloudy in the evening with patchy coastal fog, mostly cloudy with patchy dense coastal fog with a slight (20%) chance of showers at night while inland patchy fog late Tuesday night,
- Mostly cloudy with a (40%) chance of coastal rain and a bit cooler Wednesday while patchy inland AM fog and a slight (20%) chance of rain, mostly cloudy with evening rain, patchy fog with a slight (20%) chance of rain late at night,
- Some AM clouds with patchy fog, sunny and a bit warmer Thursday afternoon, partly cloudy with a slight (20%) chance of rain Thursday night.
- lows 57-50 warming to 52 Thursday night highs 72-63 warming to 66 Thursday.
- Some AM clouds, sunny and a bit warmer Friday afternoon, mostly clear in the evening, partly cloudy late Friday night,
- Partly cloudy and a bit cooler Saturday, mostly clear at night,
- Then mostly sunny and a bit warmer Sunday and Monday, mostly clear Sunday night.
- highs 67-63 warming to 68 Monday lows near 49. (seasonal average high 66 low 50)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Sunny and a bit warmer Tuesday, evening haze, mostly clear late Tuesday night,
- AM sun, mostly cloudy and cooler Wednesday with a good (50%) chance of showers at night,
- Sunny and a bit cooler Thursday, then mostly clear Thursday night.
- free air freezing level above 16,000 ft. tonight, above 16,000 ft. falling to 16,000 ft. Tuesday afternoon, 15,000 ft. falling to 14,000 ft. late Tuesday night, snow level above 8,000 ft. Wednesday, and Wednesday evening, free air freezing level 14,000 ft. Thursday, then 15,000 ft. Thursday night.
- lows 52-43 highs 73-79 cooling to 67 Wednesday.
- Mostly sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late Friday night,
- Mostly sunny and a bit warmer Saturday, partly cloudy at night,
- Sunny and a bit cooler Sunday, mostly clear Sunday night,
- Then sunny and a bit warmer Monday.
- free air freezing level 15,000 ft. Friday, free air freezing level 14,000 ft. Friday night and Saturday, 12,000 ft. Saturday night, 13,000 ft. Sunday, 15,000 ft. Sunday night, then 16,000 ft. Monday.
- highs 66-59 warming to 62 Sunday lows 43-37.