Tim Chuey Weather

March 21, 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 no frontal systems moving our way. The graphics for days 3-7 show an increase in complex frontal systems moving our way Friday through next Tuesday continuing the rain chances.

NOTE: SPRING OFFICIALLY BEGAN AT 2:24 AM TODAY WITH THE VERNAL EQUINOX.

Forecast for the South Willamette Valley including Eugene-Springfield:

AM clouds and sun with patchy frost, sunny and a bit warmer this afternoon, partly cloudy with patchy frost late tonight,
Clouds and sun with patchy AM frost, a mix of clouds and sun with a good (50%) of showers Wednesday afternoon (under 0.10 in. of rain possible), mostly cloudy with evening showers likely (70%), a good (50%) chance of rain late at night (under 0.10 in. of rain possible),
Mostly cloudy with rain and a bit cooler Thursday, then rain Thursday night with snow late Thursday night (snow level 1,000 ft.).
highs 59-47 lows 33-42 cooling to 35 Thursday night.
Mostly cloudy with showers and a bit cooler Friday (snow level 1,500 ft.), showers with snow showers likely (70%) late Friday night (snow level 500 ft.), showers Saturday afternoon (snow level 1,000 ft.), a good (50%) chance of evening showers, partly cloudy with a good (50%) chance of showers and snow showers late at night (snow level 1,500 ft.),
Mostly cloudy with a good (50%) chance of AM rain and snow showers, showers likely (70%) and a bit warmer Sunday afternoon (snow level 1,500 ft.), a (40%) chance of showers Sunday night with a slight (20%) chance of snow showers late Sunday night,
Mostly cloudy with a slight (20%) chance of AM snow showers, then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Monday afternoon (snow level 1,500 ft.).
highs 46-52 lows 34-32. (seasonal averages high 57 low 38)

Forecast for the Umpqua Valley including Roseburg:

Some AM clouds, sunny and warmer this afternoon, partly cloudy tonight,
Mostly cloudy with a slight (20%) chance of AM rain and snow showers, a good (50%) chance of showers and a bit cooler Wednesday afternoon (under 0.10 in. of rain possible, snow level 2,500 ft. rising to 3,500 ft. in the afternoon), evening showers, a good (50%) chance of showers late at night (under 0.10 in. of rain possible, snow level 3,000 ft. falling to 2,5oo0 ft. late at night),
Mostly cloudy with a AM rain and snow likely (70%), rain and snow and a bit cooler Thursday afternoon (afternoon snow possibly heavy at times), evening rain and snow then rain and snow likely (70%) late Thursday night.
highs 62-50 lows 36-42 cooling to 36 Thursday night.
Mostly cloudy with AM rain and snow likely (70%), a bit cooler with rain and snow Friday afternoon, evening rain and snow likely (70%), a good (50%) chance of rain and snow late Friday night,
Mostly cloudy with rain and snow likely (70%) Saturday, a good (50%) chance of rain and snow at night,
Mostly cloudy with a good (50%) chance of rain and snow and a bit warmer Sunday and Sunday night,
Then mostly cloudy and a bit warmer with a (40%) chance of rain and snow Monday.
highs 47 -52 lows near 33. (seasonal averages high 59 low 40)

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

Partly cloudy with patchy AM frost, sunny and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy with a slight (20%) chance of showers late tonight,
Mostly cloudy and a bit cooler with a good (50%) chance of showers Wednesday (under 0.10 in. of rain possible), a good (50%) chance of evening coastal showers and coastal showers likely (70%) late at night while inland showers likely (70%) at night (under 0.10 in. of rain possible),
Mostly cloudy with rain and a bit cooler Thursday, then rain and snow Thursday night.
highs 56-49 lows 36-38 cooling to 35 Thursday night.
Mostly cloudy with AM rain and snow likely (70%), rain and a bit cooler Friday afternoon, rain and snow likely (70%) Friday night,
Mostly cloudy with rain and snow likely (70%) Saturday, a (50%) chance of rain and snow at night,
Mostly cloudy with a good (50%) chance of AM rain and snow, a good (50%) rain and a bit warmer Sunday afternoon, evening rain likely (70%), a good (50%) chance of rain and snow late Sunday night,
Mostly cloudy with a good (50%) chance of AM rain and snow, then a good (50%) chance of rain and a bit warmer Monday afternoon.
highs 48-52 lows near 32. (seasonal averages high 55 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly sunny and a bit warmer today, partly cloudy with a slight (20%) chance of rain and showers tonight,
Mostly cloudy with a slight (20%) chance of AM snow and rain showers, rain and snow showers likely (70%) and a bit cooler Wednesday afternoon, evening rain and snow showers, snow and rain late at night,
Mostly cloudy with AM snow, snow and rain and a bit cooler Thursday afternoon (snow possibly heavy at times), then snow, possibly heavy at times, Thursday night with brisk wind.
free air freezing level at the surface rising to 5,500 ft. this afternoon, snow level 3,500 ft. tonight, 3,000 ft. Wednesday through Thursday, then at the surface Thursday night.
highs 40-33 lows 26-29 cooling to 20 Thursday night.
Mostly cloudy and a bit cooler with snow, possibly heavy at times, Friday and in the evening, a good (50%) chance of snow Friday night,
Mostly cloudy and a bit warmer with snow Saturday, evening snow showers likely (70%), partly cloudy with a good (50%) chance of snow showers late at night,
Clouds and sun with a slight (20%) chance of AM snow showers, snow showers likely (70%) and a bit warmer Sunday afternoon, evening snow showers likely (70%), a slight (20%) chance of snow showers late Sunday night,
Mostly cloudy with a (40%) chance of AM snow showers, then snow and rain showers likely (70%) and a bit warmer Monday afternoon.
snow level at the surface Friday through Saturday night, 1,500 ft. Sunday, then 2,000 ft Sunday night and Monday.
highs 26-34 lows 18-15 warming to 20 Sunday night.

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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: