Tim Chuey Weather

March 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 Pacific Northwest. The graphics for days 1-3 show the frontal system approaching the coast Sunday and then moving in. The graphics for days 3-7 show an increase in complex frontal systems moving our way Tuesday through next Saturday continuing the rain chances.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly cloudy tonight,
Mostly cloudy with a (40%) chance of AM rain, showers and cooler Sunday afternoon (0.25 in. of rain possible), showers Sunday night (0,25 in. of rain possible),
Mostly cloudy and a bit cooler with showers Monday, a slight (20%) chance of evening showers , becoming partly cloudy late at night,
A mix of clouds and sun and a bit warmer Tuesday, partly cloudy with a slight (20%) chance of evening showers, then partly cloudy late Tuesday night.
lows 44-32 warming to 34 Tuesday night highs 54-49 warming to 53 Tuesday.
Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun with a good (50%) of showers and a bit warmer Wednesday afternoon, mostly cloudy with a good (50%) chance of showers Wednesday night,
Mostly cloudy with rain and a bit cooler Thursday and at night,
Mostly cloudy with AM showers and snow showers, showers and a bit cooler Friday afternoon (snow level 1,500 ft.), evening showers likely (70%), partly cloudy with a good (50%) chance of rain and snow showers Friday night (snow level 1,000 ft.),
Clouds and sun with a good (50%) chance of AM snow showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Saturday afternoon (snow level 1,500 ft.).
highs 55-47 warming to 50 Saturday lows 38-32. (seasonal averages high 57 low 38)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with a (40%) chance of evening showers, showers late tonight (under 0.10 in. of rain possible),
Mostly cloudy with showers and cooler Sunday (0.10 in. of rain possible) and Sunday night (0.10 in. of rain possible, snow level 3,000 ft.),
Mostly cloudy with AM rain and snow showers, a bit cooler with a good (50%) chance of rain and snow showers Monday afternoon (0.10 in. of rain possible), a slight (20%) chance of evening rain and snow showers, just mostly cloudy late at night,
Mostly cloudy start, partly cloudy with a slight (20%) chance of showers and a bit warmer Tuesday afternoon, partly cloudy with a slight (20%) of evening showers, then mostly cloudy with a slight (20%) chance of showers Tuesday night.
lows 42-33 warming to 37 Tuesday night highs 55- 52 warming to 56 Tuesday.
Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a bit cooler with a (30%) chance of showers Wednesday afternoon and evening, a (30%) chance of rain and snow showers late Wednesday night,
Mostly cloudy with a good (50%) chance of AM rain and snow showers, showers likely (70%) and a bit cooler Thursday afternoon, rain and snow showers likely (70%) at night,
Mostly cloudy and a bit cooler with rain and snow showers likely (70%) Friday, a good (50%) chance of rain and snow showers Friday night,
Then mostly cloudy and a bit warmer with a good (50%) chance of rain and snow showers Saturday.
highs 55-48 warming to 52 Saturday lows 40-33. (seasonal averages high 59 low 40)

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

Mostly cloudy with a good (50%) chance of evening showers continuing tonight (under 0.10 in. of rain possible),
Mostly cloudy and a bit cooler with showers Sunday (0.50 in. of rain possible), showers Sunday night (0.25 in. of rain possible),
Mostly cloudy with AM showers likely (70%), a bit cooler with a good (50%) chance of rain Monday afternoon (0.10 in. of rain possible), a slight (20%) chance of showers Monday night with patchy coastal frost late at night and areas of inland frost late Monday night,
Mostly cloudy with a slight (20%) chance of showers and a bit warmer Tuesday and at night.
lows 42-33 highs 57-50.
Mostly cloudy and a bit cooler with a (40%) chance of rain Wednesday, a (30%) chance of rain at night,
Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Thursday afternoon and evening, rain and snow showers likely (70%) late at night,
Mostly cloudy with AM rain and snow showers likely (70%), showers likely (70%) and a bit cooler Friday afternoon, a good (50%) chance of rain and snow showers Friday night,
Then mostly cloudy with a good (50%) chance of rain and snow showers Saturday.
highs 54-48 lows near 35. (seasonal averages high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with a slight (20%) chance of rain tonight,
Mostly cloudy with a (40%) chance of AM rain and snow, showers and a bit cooler Sunday afternoon (0.25 in. of rain possible, 1 in. of snow possible), rain and snow showers Sunday night (0.50 in. of rain possible, 2-5 in. of snow possible),
Mostly cloudy a bit cooler with rain showers and snow showers Monday (no snow accumulation expected), a good (50%) chance of evening showers, and good (50%) chance of snow showers late at night,
Clouds and sun with a slight (20%) chance of AM snow showers, a mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow showers Tuesday afternoon, partly cloudy with a good (50%) chance of evening showers and snow showers, then a slight (20%) chance of snow showers late Tuesday night.
snow level 5,000 ft. tonight and Sunday, 5,000 ft. falling to 3,500 ft. late Sunday night, 3,000 ft. Monday, 2,000 ft. Monday night, 3,000 ft. Tuesday, then 3,500 ft. Tuesday night.
lows 32-19 highs 46-34.
Mostly cloudy with a good (50%) chance of AM snow showers, snow and rain showers likely (70%) and a bit cooler Wednesday afternoon, evening snow and rain showers likely (70%), a good (50%) chance of snow showers late Wednesday night,
Mostly cloudy with a good (50%) chance of AM snow, snow and rain and a bit cooler Thursday afternoon, evening snow and rain, snow late at night,
Mostly cloudy and a bit cooler with snow showers Friday (afternoon snow possibly heavy at times), evening snow showers likely (70%), a good (50%) chance of snow showers Friday night,
Then a mix of clouds and sun and a bit warmer with a good (50%) chance of snow showers Saturday.
snow level 3,000 ft, Wednesday through Thursday, 2,000 ft. Thursday night, at the surface Friday and Friday night, then 1,500 ft. Saturday.
highs 36-30 lows 23-20.

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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: