Here is my weekly weather quiz question. What is “Zero Datum?”
The Jet Stream is still pushing fronts our way and sending plenty of moisture to the Pacific Northwest. The graphics for days 1-3 show a complex frontal system that’s moving in and the next one in line behind it. The graphics for days 3-7 Monday through Friday show the frontal activity through the period.
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ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE UPPER HOOD RIVER VALLEY AND THE NORTH OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON AND NORTH CENTRAL OREGON.
- A WIND ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNT, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A FLOOD WARNING IS IN EFFECT UNTIL LATE MONDAY EVENING 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:
- Mostly cloudy with AM rain, showers and a bit warmer this afternoon (0.25 in. of rain possible) and this evening, rain late tonight (0.25 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Saturday (0.25 in. of rain possible) and in the evening, showers likely (70%) late at night (0.25 in. of rain possible),
- Mostly cloudy and a bit warmer with a good (50%) chance of Sunday, then a (40%) chance of rain Sunday night.
- highs 53-50 warming back to 53 Sunday lows 43-45 cooling to 43 Sunday night.
- Mostly cloudy with a (30%) chance of AM showers, partly cloudy and a bit cooler with a (30%) chance of showers Monday afternoon, mostly cloudy in the evening, partly cloudy late Monday night,
- A mix of clouds and sun and a bit cooler Tuesday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Wednesday, mostly cloudy Wednesday night,
- Then a mix of clouds and sun and a bit warmer Thursday.
- highs 50-47 warming to 52 Thursday lows 35-37 (seasonal averages high 47 low 34)
Your College Football Weather Forecast:
Today Wednesday January 1, 2025:
The Ducks vs. Ohio State Buckeyes in the Rose Bowl, Pasadena, California: The Ducks were beaten down by the Buckeyes 41-21.
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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 showers today (0.10 in of rain possible), showers tonight (0.10 in of rain possible),
- Mostly cloudy and a bit cooler with rain Saturday (0.10 in of rain possible) and in the evening, a good (50%) chance of rain at night (0.10 in of rain possible),
- Mostly cloudy with a (40%) chance of rain and a bit warmer Sunday, a (30%) chance of rain Sunday night.
- highs 54-52 warming back to 54 Sunday lows 43-45.
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy and a bit cooler with a slight (20%) chance of rain Monday afternoon, partly cloudy with patchy evening fog, mostly cloudy with patchy fog late late Monday night,
- Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Tuesday afternoon, mostly cloudy with patchy fog at night,
- Mostly cloudy with areas of AM fog, partly cloudy and a bit warmer Wednesday afternoon, mostly cloudy with patchy fog Wednesday night,
- Areas of AM fog, then partly cloudy and a bit warmer Thursday afternoon.
- highs 53-50 warming to 54 Wednesday lows 42-37 warming to 39 Tuesday night. (seasonal averages high 49 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with rain today (1.00 in. of rain possible) and windy (Coastal Wind: S 20-30 mph while Inland Wind: S 20-30 mph decreasing to S 10-20 mph in this afternoon, afternoon gusts to 45 mph), evening coastal rain and coastal rain likely (70%) late tonight while inland rain tonight (0.25 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Saturday (0.25 in. of rain possible) and in the evening, a good (50%) chance of rain late at night (0.25 in. of rain possible) ,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday, then a (30%) chance of rain Sunday night.
- highs 57-55 lows 44-46.
- Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy with a slight (20%) chance of rain and a bit warmer Monday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Monday night,
- Mostly cloudy with areas of AM fog, partly cloudy and a bit warmer Tuesday afternoon, a (30%) chance of showers at night,
- Mostly cloudy and a but warmer with a (30%) chance of showers Wednesday, mostly cloudy with patchy fog Wednesday night,
- Areas of AM fog, then partly cloudy and a bit warmer Thursday.
- highs 57-59 lows 43-40 warming to 42 Tuesday night (seasonal averages high 53 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with AM rain, a bit warmer with rain and snow showers this afternoon (0.75 in. of rain possible, 2 in. of snow possible), evening snow and rain showers, snow and rain late tonight (0.50 in. of rain possible, 3-6 in. of snow possible),
- Mostly cloudy and a bit cooler with snow and rain Saturday, evening rain and snow, rain and snow showers late at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday, then (40%) chance of rain Sunday night.
- snow level 6,000 ft. falling to 4,500 ft. this afternoon, 3,500 ft. tonight, 4,000 ft. Saturday, 4,500 ft. Saturday night, then 5,500 ft. Sunday and Sunday night.
- highs 38-32 warming to 37 Saturday low 28-30 cooling to 28 Sunday night.
- A mix of clouds and sun with a (40%) chance of rain and snow showers and a bit warmer Monday, partly cloudy in the evening, becoming clear late Monday night,
- Mostly sunny and a bit cooler Tuesday, mostly cloudy at night,
- Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- Then mostly sunny and a bit warmer Thursday.
- snow level 5,000 ft. Monday, free air freezing level 6,000 ft. Monday night, 8,000 ft. Tuesday, 10,000 ft. Tuesday night, 11,000 ft. Wednesday and Wednesday night, then 12,000 ft. Thursday.
- highs 36-43 lows 24-30.