Here is my new weekly weather quiz question. What is “Zero Datum?”
The Jet Stream is sending an Atmospheric River full of moisture has moved south of the Pacific Northwest. The graphics for days 1-3 show a frontal system offshore Tuesday. The graphics for days 3-7 Friday through Tuesday show more frontal activity continuing through the period.
Note: Ski Report: Willamette Pass, Hoodoo, and Mt. Ashland are all open for the ski season. Check their Web sites for specific mountain conditions and hours of operation.
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ADVISORIES:
- A DENSE FOG ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE BENTON COUNTY LOWLANDS, THE LY\INN COUNTY LOWLANDS, AND TH LANE COUNTY LOWLANDS.
- A FLOOD WARNING IS IN EFFECT UNTIL THURSDAY MORNING FOR THE COQUILLE RIVER AT COQUILLE AFFECTING COOS COUNTY.
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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:
- Clouds and sun areas of AM fog and freezing fog, mostly cloudy rain likely (70%) and a bit cooler this afternoon (under 0.10 in. of rain possible), evening rain, showers late tonight (0.25 in. of rain possible) tonight (New Year’s Eve),
- Mostly cloudy and a bit warmer with showers (0.10 in.of rain possible) Wednesday (New Year’s Day), evening showers, rain late at night (0.10 in.of rain possible),
- Mostly cloudy and a bit warmer with rain Thursday, then rain Thursday night.
- highs 42-52 lows 39-45.
- Mostly cloudy with rain Friday, rain Friday night,
- Mostly cloudy and a bit cooler with showers Saturday, rain at night,
- Mostly cloudy and a bit cooler with showers Sunday, a good (50%) chance of rain Sunday night,
- Then mostly cloudy with a good (50%) chance of rain and a bit warmer Monday.
- highs 52-49 warming back to 52 lows near 42. (seasonal averages high 47 low 34)
Your College Football Weather Forecast:
Wednesday January 1, 2025:
The Ducks vs. Ohio State Buckeyes in the Rose Bowl, Pasadena, California: Game time: 2 pm. Weather Forecast; Sunny 72 degrees warming to 75 then clear and cooling throughout the game.
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: GREEN – The burning wood is allowed.
Oakridge and Westfir: GREEN – The burning wood is allowed.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with patchy AM fog and a slight (20%) chance of rain, rain and snow likely (70%) and a bit cooler this afternoon, evening rain and snow, rain (0.25 in of rain possible) late tonight (New Year’s Eve),
- Mostly cloudy and a bit warmer with rain Wednesday (0.10 in.of rain possible), showers rain at night (0.10 in.of rain possible),
- Mostly cloudy and a bit warmer with rain Thursday, then rain Thursday night.
- highs 47-54 lows 39-47.
- Mostly cloudy and a bit cooler with rain Friday and Friday night,
- Mostly cloudy and a bit cooler with rain Saturday, rain at night,
- Mostly cloudy with rain likely (70%) Sunday, a good (50%) chance of rain Sunday night,
- Then mostly cloudy and as bit warmer with a (40%) chance of rain Monday.
- highs 54-50 warming back to 54 Monday lows near 42. (seasonal averages high 49 low 36)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with AM patchy fog and areas of frost with a (40%) chance of rain, coastal rain and a bit cooler this afternoon while patchy inland AM fog and a slight (20%) chance of inland rain (under 0.10 in. of rain possible) and a bit cooler today, rain (0.10 in. of rain possible) tonight (New Year’s Eve),
- Mostly cloudy with rain and a bit warmer Wednesday (0.25 in. of rain possible), rain at night (0.10 in. of rain possible),
- Mostly cloudy and a bit warmer with Thursday, then rain Thursday night.
- highs 49-58 lows 42-46.
- Mostly cloudy with rain Friday, rain Friday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Saturday, rain at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Sunday, a good (50%) chance of rain Sunday night,
- Then mostly cloudy and a bit warmer with a (40%) chance of rain Monday.
- highs 57-54 warming back to 57 Monday lows near 42 (seasonal averages high 53 low 40)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- AM sun, becoming mostly cloudy and a bit cooler with a good (50%) chance of snow this afternoon (1 in. of snow possible), a good (50%) chance of evening snow, snow and rain showers (0.75 in. of rain possible, 6-10 in. of snow possible, snow possibly heavy at times) late tonight (New Year’s Eve),
- Mostly cloudy and a bit warmer with rain showers and snow showers (snow possibly heavy at times) Wednesday (New Year’s Day), evening rain and snow showers, rain late night,
- Mostly cloudy and a bit warmer with rain Thursday, then rain Thursday night.
- snow level 2,500 ft. today and tonight, 3,500 ft. rising to 5,000 ft. Wednesday afternoon, 6,000 ft. Wednesday night, 6,500 ft. Thursday, then 7,500 ft. Thursday night.
- highs 32-37 low 25-34.
- Mostly cloudy and a bit cooler with rain and snow Friday, rain and snow Friday night (snow possibly heavy at times),
- Mostly cloudy and a bit cooler with rain and snow showers Saturday (snow possibly heavy at times), rain and snow at night,
- Mostly cloudy and a bit warmer with rain and snow showers Sunday, a good (50%) chance of rain and snow Sunday night,
- Mostly cloudy with a good (50%) chance of AM rain, then partly cloudy with a good (50%) chance of rain and snow and a bit warmer Monday afternoon.
- snow level 5,500 ft. Friday, 4,000 ft. Friday night, 4,000 ft. Saturday and Saturday night, 5,000 ft. Sunday, then 4,500 ft. Sunday night and Monday.
- highs 36-32 warming to 35 Sunday lows near 28.