Tim Chuey Weather

March 26, 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 WEATHER ADVISORY IS IN EFFECT FROM 8 PM MONDAY UNTIL 8 PM TUESDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM MONDAY UNTIL 11 PM TUESDAY ABOVE 2,500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM MONDAY UNTIL 11 PM TUESDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
A WIND ADVISORY IS IN EFFECT FROM 8 PM MONDAY UNTIL 3 PM TUESDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE GRANDE RONDE VALLEY.
A WIND ADVISORY IS IN EFFECT FROM 8 AM MONDAY UNTIL 2 PM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
A WIND ADVISORY IS IN EFFECT FROM 2 PM MONDAY UNTIL 8 PM TUESDAY FOR JACKSON COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM MONDAY UNTIL 11 AM TUESDAY ABOVE 2,500 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS AND JACKSON COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 PM MONDAY UNTIL 11 AM TUESDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.

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 a complex frontal system moving through Oregon Tuesday. The graphics for days 3-7 show an increase in complex frontal systems moving our way Wednesday through next Sunday continuing the rain chances.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly cloudy with a slight (20%) chance of evening showers (snow level 1,000 ft.), just mostly cloudy late tonight,
Mostly cloudy with a (40%) chance of showers Monday afternoon (under 0.10 in. of rain possible), showers Monday night (0.25 in. of rain possible),
Mostly cloudy with showers and a bit warmer Tuesday, partly cloudy with a good (50%) chance of evening showers, just partly cloudy with patchy frost late at night,
Partly cloudy with patchy AM frost, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, a slight (20%) chance of evening showers, then just partly cloudy late Wednesday night.
lows 30-37 cooling to 33 Tuesday night warming back to 37 Wednesday night highs 50-58.
Mostly cloudy with a slight (20%) chance of AM showers, a bit cooler with a (40%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of showers Thursday night,
Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Friday afternoon, showers at night,
Then mostly cloudy and a bit cooler with showers Saturday through Sunday.
highs 55-48 lows 38-35. (seasonal averages high 58 low 38)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy tonight,
Mostly cloudy and a bit warmer with rain and snow likely (70%) Monday afternoon (0.10 in. of rain possible, afternoon snow level 1,500 ft.), rain and snow Monday night (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 2,000 ft. rising to 2,500 ft. late at night),
Mostly cloudy with AM rain and snow, showers and a bit warmer Tuesday afternoon (under 0.10 in. of rain possible), a (40%) chance of evening showers, just mostly cloudy late Tuesday night,
Partly cloudy with a slight (20%) chance of rain Wednesday, then just partly cloudy Wednesday night.
lows 34-39 cooling to 36 Tuesday night and Wednesday night highs 52-57.
Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, a slight (20%) chance of showers Thursday night,
Mostly cloudy and a bit cooler with a slight (20%) chance of rain and snow Friday, evening rain, rain and snow late at night,
Then mostly cloudy and a bit cooler with rain and snow showers Saturday through Sunday.
highs 54-49 lows 42-36. (seasonal averages high 60 low 41)

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

Becoming mostly cloudy late tonight,
Cloudy with a slight (20%) chance of AM coastal showers, rain and a bit warmer Monday afternoon (under 0.10 in. of rain possible, snow level 1,500 ft), rain Monday night (0.50 in. of rain possible, evening snow level 1,500 ft.),
Mostly cloudy with AM coastal rain while inland AM rain and snow, showers likely (70%) and a bit warmer Tuesday afternoon (0.10 in. of rain possible), a good (50%) chance of showers at night (under 0.10 in. of rain possible),
Partly cloudy with a slight (20%) chance of rain Wednesday afternoon, then just partly cloudy Wednesday night.
lows 35-37 cooling back to 35 Tuesday night warming back to 37 Wednesday night highs 50-54.
Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, a slight (20%) chance of showers Thursday night,
Mostly cloudy with a (30%) chance of rain Friday, rain and breezy at night,
Then mostly cloudy with showers Saturday through Sunday.
highs near 50 lows 38-36. (seasonal averages high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with a good (50%) chance of evening snow showers, just mostly cloudy late tonight,
Mostly cloudy with a good (50%) chance of snow and rain showers and a bit warmer Monday afternoon (under 0.10 in. of rain possible, 1 in. of snow possible), rain showers and snow showers Monday night (0.50 in. of rain possible, 2-5 in. of snow possible), and breezy (Pass Wind: SE 15-25 mph gusts to 45 mph),
Mostly cloudy with snow and rain showers and a bit warmer Tuesday (light snow accumulation possible), evening snow and rain showers likely (70%), partly cloudy with a slight (20%) 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 with a good (50%) chance of rain and snow showers and a bit warmer Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain and snow showers, then partly cloudy with a slight (20%) chance of rain and snow showers late Wednesday night.
snow level at the surface late tonight, snow level 2,500 ft. Monday afternoon, 3,000 ft. Monday night and Tuesday, 2,500 ft. Tuesday night, then 3,500 ft. Wednesday and Wednesday night.
lows 18-25 cooling to 20 Tuesday night warming to 24 Wednesday night highs 34-37.
A Mostly cloudy with a good (50%) chance of AM snow showers, showers likely (70%) Thursday afternoon, a good (50%) chance of snow and rain showers late Thursday night,
Mostly cloudy with a good (50%) chance of AM snow showers, snow showers likely (70%) with a good (50%) chance of rain showers Friday afternoon, evening snow and rain showers likely (70%), snow and rain showers likely (70%) late Friday night (snow possibly heavy at times late at night),
Mostly cloudy with AM snow showers, rain and snow showers and a bit cooler Saturday afternoon (snow possibly heavy at times), snow showers Saturday night (evening snow possibly heavy at times),
Then mostly cloudy and a bit cooler with snow showers Sunday (afternoon snow possibly heavy at times).
snow level 3,500 ft. Thursday, 3,000 ft. Thursday night and Friday, 3,500 ft. Friday night, 3,000 ft. Saturday, 2,000 ft. Saturday night, then 2,500 ft. Sunday.
highs 38-30 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: