Tim Chuey Weather

March 24, 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 WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM SATURDAY FOR THE NORTHERN OREGON CASCADES, THE CASCADES IN LANE COUNTY, THE NORTHERN OREGON CASCADE FOOTHILLS AND THE CASCADE FOOTHILLS IN LANE COUNTY.
A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM SATURDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON.
A WINTER STORM WARNING IS IN EFFECT UNTIL 5 AM SATURDAY ABOVE 3,500 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
A WINTER STORM WARNING IS IN UNTIL 11 AM SATURDAY FOR THE SOUTH CENTRAL THE OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM SATURDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS.
A WINTER STORM WARNING IS IN EFFECT UNTIL 11 AM TODAY ABOVE 2,500 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM TODAY ABOVE 1,500 FT. FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM TODAY ABOVE 1,500 FT. FOR CENTRAL DOUGLAS COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 AM SATURDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE NORTHWEST BLUE MOUNTAINS.

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 and the Atmospheric River remains well to the south moving over central and southern California. The graphics for days 1-3 show the frontal system that moved through Oregon Thursday. The graphics for days 3-7 show an increase in complex frontal systems moving our way Monday through next Friday continuing the rain chances.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly cloudy with AM snow, showers and a slight (20%) chance of afternoon thunderstorms today (0.25 in. of rain possible, small hail possible, little or no snow accumulation expected, snow level 1,000 ft.), evening rain and snow showers with a slight (20%) chance of thunderstorms (small hail possible), rain and snow showers tonight (0.25 in. of rain possible, 1 in. of snow possible, snow level 500 ft.),
Mostly cloudy with AM rain showers and snow showers (snow level 500 ft.), showers with a slight (20%) chance of thunderstorms Saturday afternoon and evening (0.10 in. of rain possible), rain and snow showers likely (70%) late at night (under 0.10 in. of rain possible, evening small hail possible, snow level 500 ft.),
Mostly cloudy with a good (50%) chance of AM snow and rain showers, showers likely (70%) and a bit warmer Sunday afternoon (snow level 1,000 ft.), a good (50%) chance of evening showers, then a slight (20%) chance of rain and snow showers late Sunday night (snow level 1,500 ft.).
highs 46-48 lows 34-32.
Mostly cloudy with a good (50%) chance of AM rain and snow, a bit warmer with a good (50%) chance of rain Monday afternoon (snow level 1,500 ft.), rain likely (70%) late Monday night,
Mostly cloudy with rain likely (70%) and a bit warmer Tuesday, a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of rain late at night,
A mix of clouds and sun and a bit warmer with with a good (50%) chance of rain Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain, partly cloudy with a slight (20%) chance of rain late Wednesday night,
Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain Thursday.
highs 50-55 cooling to 53 Thursday lows near 32. (seasonal averages high 58 low 38)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with showers and snow showers with a slight (20%) chance of thunderstorms and a bit cooler today (0.10 in. of rain possible, 1-2 in. of snow lower elevations while 3-5 in. of snow above 1,500 ft., snow level 800 ft. rising to 1,500 ft. this afternoon) and evening (0.10 in. of rain possible, snow level 900 ft. rising to 1,500 ft.), rain and snow showers late tonight (0.10 in. of rain possible, 2-3 in. of snow lower elevations while 3-5 in. of snow above 1,500 ft., snow level 800 ft.),
Mostly cloudy with AM rain and snow showers, showers and snow showers with a slight (20%) chance of thunderstorms Saturday afternoon (0.10 in. of rain possible, snow level 900 ft.), evening rain and snow showers likely (70%), a good (50%) chance of rain and snow showers late at night (under 0.10 in. of rain possible),
Mostly cloudy with a good (50%) chance of rain and snow showers and a bit warmer Sunday and Sunday night.
highs 45-48 lows 35-33 warming to 34 Sunday night.
Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a (40%) chance of rain and snow and a bit warmer Monday afternoon, evening rain and snow, rain and snow likely (70%) Monday night,
Mostly cloudy with rain and snow likely (70%) Tuesday, evening rain likely (70%), a good (50%) chance of rain and snow late at night,
Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow likely (70%) and a bit warmer Wednesday afternoon, a (40%) chance of evening rain, a slight (20%) chance of rain and snow late Wednesday night,
Then mostly cloudy with a (30%) chance of rain and snow Thursday.
highs 52-54 lows 38-36 warming back to 38 Wednesday night. (seasonal averages high 60 low 40)

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

Mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms and a bit cooler today while inland showers and snow showers with a slight (20%) chance of thunderstorms and a bit cooler today (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,000 ft. rising to 1,500 ft. this afternoon), coastal showers at night while inland rain and snow showers with a slight (20%) chance of thunderstorms tonight (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,500 ft.),
Mostly cloudy with AM coastal showers with coastal showers and a slight (20%) chance of thunderstorms Saturday afternoon while inland AM rain and snow showers and inland showers and snow showers and a slight (20%) chance of thunderstorms and a bit cooler in the afternoon (0.10 in. of rain possible), evening coastal showers and coastal showers likely (70%) at night while inland evening rain and snow showers and inland rain and snow showers likely (70%) late at night (0.10 in. of rain possible, snow level 1,500 ft.),
Mostly cloudy with a (30%) chance of rain and snow showers and a bit warmer Sunday, then a (30%) chance of rain and snow showers late Sunday night.
highs 48-50 lows 35-32 warming to 34 Sunday night.
Mostly cloudy with a (40%) chance of AM rain and snow showers, rain and a bit warmer Monday afternoon and Monday night,
Mostly cloudy and a bit warmer with rain likely (70%) Tuesday, rain likely (70%) at night,
Mostly cloudy with rain likely (70%) Wednesday, then a (40%) chance of rain Wednesday night and Thursday.
highs 50-52 lows near 35. (seasonal averages high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy and a bit cooler with snow showers and a slight (20%) chance of thunderstorms this afternoon (0.75 in. of rain possible, small hail possible, 5-9 in. of snow possible, snow possibly heavy at times), evening snow showers with a slight (20%) chance of thunderstorms and small hail possible, snow showers late tonight (0.50 in. of rain possible, 4-8 in. of snow possible, snow possibly heavy at times),
Mostly cloudy and a bit warmer with snow showers Saturday (moderate snow accumulation possible), snow showers Saturday night (light snow accumulation possible),
Mostly cloudy with a good (50%) chance of AM snow showers, snow showers likely (70%) and a bit warmer Sunday afternoon, mostly cloudy with a good (50%) chance of evening snow showers, then partly cloudy with a good (50%) chance of snow showers late Sunday night.
snow level at the surface tonight through Sunday night.
highs 26-32 lows 18-16 warming to 18 Sunday night.
Clouds and sun a good (50%) of AM snow, a mix of clouds and sun with snow likely (70%) and a bit warmer Monday afternoon, snow and rain Monday night,
Mostly cloudy with AM snow, rain Tuesday afternoon, evening snow and rain likely (70%), a good (50%) chance of snow and rain at night,
Mostly cloudy with AM snow likely (70%), snow and rain likely (70%) Wednesday afternoon, evening snow and rain likely (70%), partly cloudy with a good (50%) chance of snow and rain late Wednesday night,
Mostly cloudy AM snow, then snow and rain likely (70%) Thursday afternoon.
snow level 2,000 ft. Monday, then 3,000 ft. Monday night through Thursday.
highs near 34 lows 25-22.

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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: