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 EFFECT 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 WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM SATURDAY 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) continues to control the weather of the Pacific Northwest. The graphics for days 1-3 show no frontal systems approaching the Oregon coast. 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 a (30%) chance of evening showers and a slight (20%) chance of snow showers and a slight (20%) chance of thunderstorms (small hail possible), rain and snow showers late tonight (0.25 in. of rain possible, more in storms, 1 in. of snow possible, snow level 1,000 ft.),
Mostly cloudy with AM snow showers likely (70%) and rain showers, showers with a slight (20%) chance of thunderstorms and a bit cooler Saturday afternoon (snow level 1,000 ft), evening snow showers likely (70%) with showers and a slight (20%) chance of thunderstorms with small hail possible, a good (50%) chance of snow and rain showers late Saturday night (0.10 in. of rain possible, evening small hail possible, snow level 500 ft.),
Mostly cloudy with AM snow and rain showers likely (70%)(snow level 500 ft.), showers and a bit warmer Sunday afternoon, a good (50%) chance of evening showers, just mostly cloudy late at night,
Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a bit warmer with a good (50%) chance of rain Monday afternoon (snow level 1,500 ft.), then a good (50%) chance of rain late Monday night.
lows 35-30 warming to 37 Monday night highs 45-52.
Mostly cloudy with rain likely (70%) and a bit warmer Tuesday, a (40%) chance of evening rain, partly cloudy with a slight (20%) chance of showers late Tuesday night,
Partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday and in the evening, just partly cloudy late at night,
A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
Clouds and sun with a slight (20%) chance of AM showers, then a good (50%) chance of showers and a bit cooler Friday afternoon.
highs 53-57 cooling to 54 Friday lows 34-32 warming back to 34 Thursday night. (seasonal averages high 58 low 38)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with rain and snow showers tonight (0.10 in. of rain possible, 2-3 in. of snow possible, snow level 2,000 ft. falling to 1,500 ft. late tonight),
Mostly cloudy with rain and snow showers Saturday (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 1,500 ft.), evening rain and snow showers, a good (50%) chance of rain and snow showers late Saturday night (under 0.10 in. of rain possible, snow level 1,500 ft.),
Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and snow showers and a bit warmer Sunday afternoon, a (30%) chance of rain and snow showers 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, then rain and snow Monday night.
lows 33-38 highs 47-52.
Mostly cloudy and a bit warmer with rain and snow Tuesday, a good (50%) chance of evening rain, a good (50%) chance of rain and snow late Tuesday night,
Mostly cloudy with a good (50%) chance of rain and snow showers and a bit warmer Wednesday, just partly cloudy at night,
Mostly cloudy start, partly cloudy Thursday afternoon and Thursday night,
Mostly cloudy and a bit warmer with a slight (20%) chance of showers Friday afternoon.
highs 53-57 lows 36-34 warming back to 36 Thursday night. (seasonal averages high 60 low 40)

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

Mostly cloudy with coastal showers tonight while inland rain and snow showers tonight (0.10 in. of rain possible, little or no snow accumulation expected, snow level 2,000 ft. falling to 1,500 ft. late tonight),
Mostly cloudy with coastal showers and a bit cooler Saturday while inland rain and snow showers and a bit cooler Saturday (0.10 in. of rain possible), coastal showers at night while inland evening rain and snow showers and inland rain and snow showers likely (70%) late Saturday night (0.10 in. of rain possible, snow level 2,000 ft. falling to 1,500 ft. late at night),
Mostly cloudy with AM coastal showers while inland AM rain and snow showers likely (70%), showers likely (70%) Sunday afternoon (snow level 1,500 ft. rising to 2,000 ft.), a (40%) chance of coastal showers at night while a (40%) of rain and snow showers late Sunday night (snow level 2,000 ft.),
Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and a bit warmer Monday afternoon, then rain Monday night.
lows 39-33 warming to 36 Monday night highs 47-52.
Mostly cloudy with AM rain, rain likely (70%) Tuesday afternoon, a good (50%) chance of rain rain Tuesday night,
Mostly cloudy a bit warmer with a slight (20%) chance of showers Wednesday, just partly cloudy Wednesday night,
Mostly cloudy in the AM, partly cloudy and a bit cooler Thursday afternoon and Thursday night,
Then mostly cloudy with a slight (20%) chance of showers Friday.
highs 52-54 cooling back to 52 Thursday and Friday lows near 35. (seasonal averages high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with evening snow showers and a slight (20%) chance of thunderstorms with 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 cooler with snow showers Saturday (2-4 in. of snow possible), snow showers Saturday night (1-3 in. of snow possible),
Mostly cloudy and a bit warmer with snow showers Sunday (light snow accumulation possible), a good (50%) chance of evening snow showers, a slight (20%) chance of snow showers late at night,
Mostly cloudy with a slight (20%) of AM snow showers, snow likely (70%) and a bit warmer Monday afternoon, evening rain and snow, then snow late Monday night.
snow level at the surface tonight through Saturday night, 1,500 ft. Sunday afternoon, at the surface Sunday night, 2,000 ft. Monday, then 2,500 ft. Monday night.
lows 19-17 warming to 24 Monday night highs 24-33.
Mostly cloudy with AM snow, rain and snow Tuesday afternoon, evening snow and rain likely (70%), a good (50%) chance of snow showers Tuesday night,
Mostly cloudy with a good (50%) chance of AM snow showers, a good (50%) chance of rain showers and snow showers and a bit warmer Wednesday afternoon, a good (50%) chance of evening snow and rain showers, partly cloudy with a good (50%) chance of snow showers late at night,
A mix of clouds and sun and a bit warmer with a (40%) chance of snow showers Thursday, partly cloudy with a slight (20%) chance of snow showers Thursday night,
Clouds and sun with a good (50%) chance of AM snow showers, then a mix of clouds and sun and a bit warmer with a good (50%) chance of rain showers and snow showers Friday afternoon.
snow level 2,500 ft. Tuesday through Wednesday, 3,000 ft. Wednesday night, 2,500 ft. Thursday and Thursday night, then 3,000 ft. Friday.
highs 33-38 lows 22-19.

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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.

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: