Tim Chuey Weather

February 18, 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

NONE AT THIS TIME.

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 Low Pressure Trough (“U “shape) is approaching the coast and allowing moisture in the form of clouds to move over the Pacific Northwest. The graphics for days 1-3 show no major frontal system headed our way. The graphics for days 3-7 show more complex frontal activity moving our way Monday through next Friday returning the rain chances and raising overnight low temperatures.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly cloudy, possible sun breaks, and a bit cooler today, mostly cloudy with patchy fog late tonight,
Patchy AM fog, mostly cloudy, possible sun breaks, and a bit warmer Sunday, mostly cloudy at night,
Mostly cloudy with a slight (20%) chance of rain Monday (President’s Day), then rain Monday night.
highs 48-52 lows 33-39.
Mostly cloudy and a bit cooler with rain Tuesday, snow likely (70%) with rain Tuesday night (snow level 1,000 ft.),
Mostly cloudy and a bit cooler with snow and rain likely (70%) Wednesday (snow level 500 ft.), evening snow likely (70%), a good (50%) chance of snow late at night,
A mix of clouds and sun and a bit cooler a good (50%) chance of snow Thursday, partly cloudy with a good (50%) chance of snow Thursday night,
Then partly with a slight (20%) chance of snow Friday.
highs 45-37 lows 32-15. (seasonal averages high 52 low 35)

Forecast for the Umpqua Valley including Roseburg:

Patchy AM and late night fog, mostly cloudy and a bit cooler today, mostly cloudy tonight,
Mostly cloudy with patchy AM fog, partly cloudy Sunday afternoon, mostly cloudy at night,
Mostly cloudy and a bit warmer with a slight (20%) chance of rain Monday (President’s Day), evening, rain likely (70%), then rain late Monday night).
highs 52-55 lows 36-40.
Mostly cloudy with AM rain and snow, rain and snow showers, breezy and a bit cooler with patchy blowing snow Tuesday afternoon and evening, rain and snow showers, breezy and cooler late Tuesday night,
Mostly cloudy with rain and snow showers and a bit cooler Wednesday, evening snow showers likely (70%), a good (50%) chance of snow showers and colder late at night,
Mostly cloudy and a bit cooler with a good (50%) chance of show showers Thursday and in the evening, partly cloudy with a (40%) chance of snow showers late Thursday night,
Then partly cloudy and a bit warmer with a slight (20%) chance of snow showers Friday.
highs 50-42 warming to 44 Friday lows 34-22 (seasonal averages high 54 low 38)

Forecast for the Oregon Coast including Coos Bay and North Bend:

Patchy AM fog, mostly cloudy and a bit cooler with a slight (20%) chance of this afternoon, a slight (20%) chance of evening coastal rain and patchy coastal fog and frost late while patchy inland fog late tonight,
Mostly cloudy with patchy AM coastal fog and frost while patchy inland AM fog, partly cloudy and a bit warmer Sunday afternoon, mostly cloudy at night,
Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday (President’s Day), evening rain likely (70%), then rain Monday night.
highs 54-52 warming back to 54 Sunday lows 36-39.
Mostly cloudy with AM rain, showers and a bit cooler and breezy Tuesday afternoon, rain and snow showers Tuesday night,
Mostly cloudy with rain and snow showers and a bit cooler Wednesday and breezy, rain and snow showers likely (70%) and colder at night,
Mostly cloudy with AM snow showers likely (70%), a bit cooler with a good (50%) chance of rain and snow showers Thursday afternoon, a (40%) chance of snow showers Thursday night,
Mostly cloudy with a slight (20%) chance of AM snow showers, then partly cloudy with a slight (20%) chance of rain and snow showers Friday afternoon.
highs 52-43 lows 39-27. (seasonal averages high 54 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow this afternoon, mostly cloudy this evening, partly cloudy late tonight,
Partly cloudy and a bit warmer Sunday, mostly cloudy at night,
Mostly cloudy with a slight (20%) chance of AM snow and a (40%) chance of rain, a good (50%) chance of rain and a bit cooler Monday afternoon (President’s Day), evening rain and snow likely (70%), then snow and rain late Monday night (snow possibly heavy at times late Monday night).
snow level 3,500 ft. this afternoon, 4,000 ft. falling to 3,500 ft. late tonight, free air freezing level 5,000 ft. rising to 8,000 ft. Sunday, 8,000 ft. falling to 7,000 ft. late Sunday night, then snow level 4,500 ft. Monday and Monday night.
highs 35-42 cooling to 39 Monday lows 22-28 cooling to 24 Monday night.
Mostly cloudy and a bit cooler with snow, possibly heavy at times, Tuesday and Tuesday night (evening snow possibly heavy at times),
Mostly cloudy with snow and a bit cooler Wednesday, evening snow likely (70%), a good (50%) chance of snow late at night (wind shill temperature down to -5),
Mostly cloudy and a bit cooler with snow likely (70%) Thursday (wind shill temperature down to -5), mostly cloudy with a good (50%) chance of evening snow, partly cloudy with a (50%) chance of snow Thursday night (wind shill temperature down to -10 late at night),
Then a mix of clouds and sun and a bit warmer with a (40%) chance of snow Friday (wind shill temperature down to -10 late at night).
snow level 2,000 ft. Tuesday, at the surface Tuesday night through Friday,
highs 23-26 lows 17-4.

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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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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.

Tim Chuey Weather

ADVISORIES

HEALTH ADVISORIES

THE WEATHER PATTERN

Forecast for the South Willamette Valley including Eugene-Springfield:

Forecast for the Umpqua Valley including Roseburg:

Forecast for the Oregon Coast including Coos Bay and North Bend:

Forecast for the Northern Oregon Cascades including Willamette Pass:

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Forecast for the Oregon Coast including Coos Bay and North Bend:

Forecast for the Northern Oregon Cascades including Willamette Pass: