January 28, 2023
Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.
ADVISORIES
- A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST.
- A FREEZE WATCH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST.
HEALTH ADVISORIES
A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.
THE WEATHER PATTERN
A very strong Jet Stream flow www.wunderground.com/maps/wind/jet-stream from the northeast will be sending much cooler air to the Pacific Northwest. A weak frontal system moved in Friday but a stronger cold front www.wpc.ncep.noaa.gov will push through the Pacific Northwest from the northeast today and tonight bringing colder air with it.
Forecast for the South Willamette Valley including Eugene-Springfield:
- Mostly cloudy with a slight (20%) chance of AM rain, a bit cooler with rain likely (70%) this afternoon and evening (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of snow late tonight,
- Sunny and a bit cooler Sunday, clear Sunday night,
- AM clouds and sun, sunny and a bit warmer Monday afternoon, partly cloudy in the evening, then mostly cloudy at night.
- highs 44-37 warming to 38 Monday low 25-19 warming to 23 Monday night.
- Mostly cloudy and a bit warmer Tuesday, a slight (20%) chance of rain late Tuesday night (snow level 500 ft.),
- Mostly cloudy with a slight (20%) chance of AM snow, mostly cloudy with a slight (20%) chance of rain and a bit warmer Wednesday (snow level 500 ft.), a slight (20%) chance of rain at night,
- Cloudy with a (40%) chance of rain and a bit warmer Thursday, mostly cloudy with a good (50%) chance of rain Thursday night ,
- Then cloudy with a good (50%) chance of rain Friday.
- highs 43-48 lows 27-34. (seasonal averages high 49 low 35)
Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy and a bit cooler with a (30%) chance of rain today, a (30%) chance of rain and snow tonight (under 0.10 in. of rain possible, snow level 2,000 ft. falling to 100 ft. late at night),
- Sunny and a bit cooler Sunday, clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear in the evening, then mostly cloudy late Monday night.
- highs 46-39 warming to 43 Monday lows 30-19 warming to 25 Monday night.
- Partly cloudy and a bit warmer Tuesday and Tuesday night,
- Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a bit warmer with a slight (20%) chance of showers Wednesday afternoon, a slight (20%) chance of rain and snow at night,
- Mostly cloudy with a slight (20%) chance of AM rain and snow, a (30%) chance of rain Thursday afternoon, a (40%) chance of rain Thursday night,
- Then mostly cloudy with a (40%) chance of rain Friday.
- highs 48-52 lows 30-36. (seasonal averages high 51 low 37)
Forecast for the Oregon Coast including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of AM coastal rain with coastal rain likely (70%) this afternoon while a (30%) chance of inland rain today (under 0.10 in. of rain possible), a (40%) chance of coastal rain tonight while a good (50%) chance of inland evening rain and a good (50%) chance of inland rain and snow late tonight (0.10 in. of rain possible),,
- Sunny and a bit cooler Sunday, clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear in the evening, then mostly cloudy Monday night.
- highs 49-43 warming to 46 Monday lows 30-23 warming to 28 Monday night.
- Mostly cloudy and a bit warmer Tuesday, a slight (20%) chance of showers late Tuesday night,
- Mostly cloudy with a slight (20%) chance of showers and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of rain at night,
- Mostly cloudy with a (30%) chance of rain and a bit warmer Thursday, a good (50%) chance of rain Thursday night,
- Then mostly cloudy and a bit cooler with a (40%) chance of rain Friday.
- highs 52-54 cooling back to 52 Friday lows 32-38. (seasonal averages high 54 low 41)
Forecast for the Northern Oregon Cascades including Willamette Pass:
- Mostly cloudy with a good (50%) chance of AM snow, snow and a bit cooler this afternoon (1 in. of snow possible), evening snow, a slight (20%) chance of snow and colder late tonight,
- Mostly sunny and cooler Sunday, clear Sunday night,
- Mostly sunny and warmer Monday, mostly clear in the evening, then mostly cloudy Monday night.
- snow level 2,500 ft. today, at the surface tonight, free air freezing level at the surface Sunday through Monday night.
- highs 29-18 warming to 30 Monday lows 10-4 warming to 14 Monday night.
- Mostly cloudy and a bit warmer Tuesday, mostly cloudy Tuesday night,
- A mix of clouds and sun and a bit warmer with a slight (20%) chance of snow Wednesday and a slight (20%) chance of afternoon rain, a slight (20%) chance of rain and snow at night,
- Mostly cloudy with a slight (20%) chance of AM rain and snow, a bit cooler Thursday, a (40%) chance of rain and snow Thursday night,
- Then mostly cloudy and a bit cooler with a (40%) chance of rain and snow Friday.
- free air freezing level at the surface Tuesday, 4,000 ft. Tuesday night, snow level 3,000 ft. Wednesday, then 4,000 ft. Wednesday night through Friday.
- highs 36-42 cooling to 38 Friday lows 20-25.
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- For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com
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10/31 Showers with patchy fog overnight.
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- 11/1 Cold front drops temperatures & brings more rain/possible t’storms today.
- 10/31 Showers with patchy fog overnight.
- 10/31 Rain for Halloween today. Dress “Trick-Or-Treaters”for wet weather today and this evening.
- 10/30 A slight chance of evening rain changing to a 50% chance late tonight.
- 10/30 AM fog, a slight chance of rain today for your Sunday.
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- For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com
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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.
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- 7/15 Plenty of sunshine heading our way today to end the workweek.
- Mostly clear again tonight, then sunshine and slightly cooler for your Friday.
- 7/14 Sunshine and a bit warmer for your Thursday.
- Clear overnight, sunny and pleasant tomorrow for your Thursday.
- 7/13 A break from the heat today for your “Hump Day.”
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Forecast for the Oregon Coast including Coos Bay and North Bend:
- Becoming mostly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy late Friday night,
- Mostly cloudy start, partly cloudy and slightly cooler Saturday afternoon, mostly clear at night,
- Mostly sunny Sunday, then mostly clear Sunday night.
- lows 54-56 cooling back to 54 Sunday night highs 70-69.
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Partly cloudy and slightly cooler Tuesday, partly cloudy at night,
- Then partly cloudy Wednesday through Thursday.
- highs 73-72 lows 54-56 cooling back to 54 Wednesday night. (Seasonal Averages high 66 low 54)
Forecast for the Northern Oregon Cascades including Willamette Pass:
- Mostly clear tonight,
- Mostly sunny and a bit cooler Friday, clear Friday night,
- Sunny and a bit warmer Saturday, mostly clear at night,
- Some AM clouds, mostly sunny and a bit cooler Sunday, then clear Sunday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 15,000 ft. Friday night through Sunday, then 16,000 ft. Sunday night.
- lows 49-47 highs 74-72 warming back to 74 Sunday.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny Tuesday, mostly clear at night,
- Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
- free air freezing level 16,000 ft. Monday through Thursday.
- highs 80-75 lows 53-50.