February 16, 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 FROST ADVISORY IS IS IN EFFECT UNTIL 9 AM TODAY FOR THE CURRY COUNTY 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
An Upper Level High Pressure Ridge (“Arch “shape) moves in bringing sunshine and keeping overnight temperatures in the 20s. The graphics for days 1-3 show a frontal system offshore today and moving in. The graphics for days 3-7 show more complex frontal activity moving our way Sunday through next Thursday.
Forecast for the South Willamette Valley including Eugene-Springfield:
- Mostly cloudy and slightly warmer with possible sun breaks today, mostly cloudy this evening, partly cloudy with patchy fog late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late at night,
- Mostly cloudy and a bit cooler Saturday, then mostly cloudy Saturday night.
- highs 47-52 cooling to 48 Saturday lows 27-32.
- Mostly cloudy with a (40%) chance of rain and a bit warmer Sunday afternoon, a good (50%) chance of rain Sunday night,
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Monday afternoon (President’s Day), mostly cloudy with a good (50%) chance of rain at night,
- Mostly cloudy and a bit cooler with rain Tuesday and in the evening, rain and snow likely (70%) late Tuesday night,
- Then mostly cloudy and a bit cooler with rain and snow likely (70%) Wednesday.
- highs 52-42 lows 38-32. (seasonal averages high 52 low 35)
Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy and slightly cooler today and this evening, partly cloudy with patchy fog late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, mostly clear in the evening, mostly cloudy late at night,
- Mostly cloudy and a bit cooler Saturday, then mostly cloudy Saturday night.
- highs 49-52 cooling to 50 Saturday lows 30-34.
- Mostly cloudy and a bit warmer Sunday afternoon, mostly cloudy with a slight (20%) chance of rain Sunday night,
- Mostly cloudy and a bit cooler with a (40%) chance of rain Monday (President’s Day), a (40%) chance of rain at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow likely (70%) and a bit cooler Tuesday afternoon, rain and snow Tuesday night,
- Then mostly cloudy and a bit cooler with rain and snow Wednesday.
- highs 53-42 lows 39-35 (seasonal averages high 54 low 38)
Forecast for the Oregon Coast including Coos Bay and North Bend:
- Mostly cloudy and a bit cooler today and this evening, partly cloudy tonight with patchy coastal frost late,
- Partly cloudy and a bit warmer Friday, partly cloudy Friday night, areas of coastal frost late at night,
- Mostly cloudy and a bit cooler Saturday and in the evening, then mostly cloudy late Saturday night.
- highs 52-56 cooling back to 52 Saturday lows 33-35.
- Mostly cloudy start, partly cloudy and a bit warmer Sunday afternoon, mostly cloudy with a (30%) chance of rain Sunday night,
- Mostly cloudy and a bit cooler with a (40%) chance of rain Monday (President’s Day), a good (50%) chance of rain at night,
- Mostly cloudy with rain likely (70%) and a bit cooler Tuesday and in the evening, rain and snow late Tuesday night,
- Then rain and snow and a bit cooler Wednesday.
- highs 54-45 lows 38-34. (seasonal averages high 54 low 41)
Forecast for the Northern Oregon Cascades including Willamette Pass:
- A mix of clouds and sun today, mostly cloudy this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy at night,
- A mix of clouds and sun and a bit cooler Saturday, then partly cloudy Saturday night.
- free air freezing level 4,000 ft. rising to 5,000 ft. today, 5,000 ft. falling to the surface late tonight, at the surface rising to 5,000 ft. Friday afternoon, 4,500 ft. falling to 3,500 ft. late Friday night, 4,500 ft. Saturday, then 5,000 ft. Saturday night.
- highs 36-38 cooling back to 36 Saturday lows 19-24.
- A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain and snow Sunday afternoon, a good (50%) chance of rain and snow Sunday night,
- Mostly cloudy with snow and rain likely (70%) and a bit cooler Monday (President’s Day), snow with evening rain likely (70%), snow likely (70%) late at night,
- Then mostly cloudy and a bit cooler with snow, possibly heavy at times, Tuesday through Wednesday.
- snow level 3,000 ft. Sunday, 4,000 ft. Sunday night and Monday 3,500 ft. Monday night, 2,500 ft. Tuesday, 1,500 ft. Tuesday night, then at the surface Wednesday.
- highs 42-25 lows 27-19.
_____
- 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.