Tim Chuey Weather

December 20, 2022

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 10 AM WEDNESDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE NORTHWEST BLUE MOUNTAINS.
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL UNTIL 10 AM WEDNESDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
A WIND CHILL ADVISORY IS IN EFFECT FROM 10 PM WEDNESDAY UNTIL 10 AM FRIDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
A WIND CHILL ADVISORY IS IN EFFECT FROM 10 PM WEDNESDAY UNTIL 10 AM FRIDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE GRANDE RONDE VALLEY, WALLOWA COUNTY, THE JOHN DAY BASIN, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE UPPER HOOD RIVER VALLEY.
A WINTER STORM WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT FOR THE UPPER HOOD RIVER VALLEY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM WEDNESDAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
A WINTER STORM WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM WEDNESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE
A WINTER STORM WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING FOR THE CENTRAL COAST RANGE OF WESTERN OREGON, AND THE SOUTH WILLAMETTE VALLEY.
A WINTER STORM WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON FOR THE LOWER COLUMBIA, THE CENTRAL WILLAMETTE VALLEY, AND THE NORTHERN OREGON CASCADE FOOTHILLS.

HEALTH ADVISORIES

A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR WILLOW CREEK RESERVOIR IN MORROW COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ALL OF UPPER KLAMATH LAKE IN KLAMATH COUNTY INCLUDING SHOALWATER BAY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER.
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 High Pressure Ridge (“Arch” shape) is still in control keeping us dry, but bringing cold nights. The graphics for days 1-3 show a frontal system moving through the Pacific Northwest between today and Wednesday. The graphics for days 3-7 Thursday through Monday show the frontal activity through the period.
**Note: Ski season is under way. Willamette Pass, Hoodoo, and Mt. Ashland are open.

Forecast for the South Willamette Valley including Eugene-Springfield:

Cloudy with a good (50%) chance of evening rain, a slight (20%) chance of rain late tonight (0.10 in. of rain possible),
A mix of clouds and sun and a bit cooler Wednesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of freezing rain and snow late Wednesday night,
Cloudy with a (30%) chance of AM freezing rain and a slight (20%) chance of snow, freezing rain and rain and a bit cooler Thursday afternoon (under 0.10 in. of rain possible), freezing rain and rain late at night (0.25 in. of rain possible),
Cloudy with AM rain and freezing, rain likely (70%), and a bit cooler Friday afternoon, then mostly cloudy rain likely (7%) Friday night.
lows 35-25 warming to 44 Friday night highs 43-36 warming to 47 Friday.
Mostly cloudy and a bit warmer with rain Saturday, rain likely (70%) Saturday night,
Cloudy and a bit warmer with a good (50%) chance of rain Sunday (Christmas Day), mostly cloudy with a good (50%) chance of rain Sunday night,
Mostly cloudy and a bit cooler with rain likely (70%) Monday, rain Monday night,
Then mostly cloudy with rain Tuesday.
highs 56-59 cooling to 55 Tuesday lows 47-45. (Seasonal Averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with early evening rain becoming likely (70%) late evening, a good (50%) chance of rain late tonight (0.10 in. of rain possible),
Mostly cloudy with a (30%) chance of AM rain (snow level 2,500 ft.) just mostly cloudy and a bit cooler Wednesday afternoon, mostly cloudy Wednesday night,
Cloudy with a slight (20%) chance of AM rain, rain likely (70%) Thursday afternoon (under 0.10 in. of rain possible), evening rain, rain likely (70%) late at night (0.10 in. of rain possible),
Cloudy and a bit warmer with a good (50%) chance of rain Friday and in the evening, then rain likely (70%) late Friday night.
lows 40-35 warming to 49 Friday night highs 46-54.
Mostly cloudy and a bit warmer with rain likely (70%) Saturday, cloudy with evening rain likely (70%), a good (50%) chance of rain late Saturday night,
Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday (Christmas Day), a (30%) chance of rain at night,
Mostly cloudy with rain likely (70%) and a bit cooler Monday and in the evening, rain late Monday night,
Then mostly cloudy and a bit cooler with rain Tuesday.
highs 50-48 warming to back to 50 Tuesday lows 43-46. (Seasonal Averages high 48 low 36).

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

Mostly cloudy with early evening coastal rain with late evening coastal rain likely (70%) and a slight (20%) chance of coastal rain late tonight while inland late evening rain continuing late tonight (0.10 in. of rain possible),
Mostly cloudy with a slight (20%) chance of AM coastal rain while mostly cloudy with a (30%) chance of AM inland rain, partly cloudy and a bit warmer Wednesday afternoon, mostly cloudy Wednesday night,
Cloudy with AM rain likely (70%), rain and a bit warmer Thursday afternoon and evening,(0.10 in. of rain possible), rain likely (70%) at night (0.25 in. of rain possible),
Cloudy a bit warmer with rain likely (70%) Friday, then rain likely (70%) Friday night.
lows 39-35 warming to 49 Friday night highs 53-60.
Mostly cloudy and a bit warmer with rain likely (70%) Saturday, cloudy with evening rain likely (70%), a good (50%) chance of rain Saturday night,
Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday (Christmas Day) and in the evening, rain likely (70%) late at night,
Mostly cloudy and a bit cooler with rain likely (70%) Monday, rain Monday night,
Then mostly cloudy and a bit cooler with rain Tuesday.
highs 62-60 lows near 49. (Seasonal Averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with evening rain and snow (snow possibly heavy at times), a (30%) chance of rain and snow late tonight (0.75 in. of rain possible, 3-6 in. of snow possible),
Mostly cloudy start, partly cloudy and a bit cooler Wednesday afternoon, partly cloudy with a slight (20%) chance of snow late Wednesday night,
Cloudy and a bit cooler with a (%) chance of snow Thursday and freezing rain with a (%) chance of rain in the afternoon, evening freezing rain with rain and snow, rain late at night,
Mostly cloudy with a good (50%) of rain and freezing rain and a bit warmer Friday, a good (50%) chance of evening freezing rain, then mostly cloudy with a good (50%) chance of rain Friday night.
snow level 5,500 ft. falling to 4,500 ft. late tonight, free air freezing level 4,000 ft. Wednesday, at the surface Wednesday evening, snow level 4,000 ft. Thursday afternoon, 6,000 ft. Thursday night, 7,000 ft. Friday, then 8000 ft. Friday night.
lows 29-19 warming to 33 Friday night highs 33-37.
Mostly cloudy and a bit warmer with rain likely (70%) Saturday and in the evening, a (40%) chance of rain late Saturday night,
Mostly cloudy with a (%) chance of AM rain, a bit warmer with a slight (20%) chance of rain Sunday afternoon (Christmas Day), a good (50%) chance of rain Sunday night,
Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday, rain Monday night,
Then mostly cloudy and a bit cooler with rain Tuesday.
snow level above 8,000 ft. Saturday through Sunday night, 7,500 ft. Monday, 6,500 ft. Monday night, then 5,500 ft. Tuesday.
highs 44-40 lows 36-33.

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 actual weather will conform to the projected forecast.

_____

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:

Mostly cloudy with rain tonight (0.75 in. of rain possible),
Mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms Tuesday while inland AM showers with inland showers and a slight (20%) chance of thunderstorms Tuesday afternoon (0.25 in. of rain possible), showers with a slight (20%) chance of thunderstorms Tuesday night (0.25 in. of rain possible),
Mostly cloudy with AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) and a bit warmer Wednesday afternoon (0.25 in. of rain possible), a (30%) chance of evening showers, mostly cloudy with patchy inland fog late at night (under 0.10 in. of rain possible),
Mostly cloudy start, partly cloudy and a bit warmer Thursday afternoon, then cloudy with a (40%) chance of rain Thursday night.
lows 47-40 warming to 46 Thursday night highs 56-59.
Cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Friday afternoon, rain Friday night,
Mostly cloudy with rain likely (70%) and a bit cooler Saturday and in the evening, rain late at night,
Mostly cloudy with rain and a bit warmer Sunday, rain likely (70%) Sunday night,
Then mostly cloudy and a bit warmer with rain likely (70%) Monday.
highs 62-58 warming back to 62 Monday lows 49-45. (Seasonal Averages high 60 low 45)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with evening showers, showers and snow showers with patchy fog late tonight (2 in. of snow possible),
Mostly cloudy with patchy fog and snow showers and rain showers and a bit cooler Tuesday (1-4 in. of snow possible), showers with patchy evening fog, snow showers late Tuesday night (1-4 in. of snow possible),
Mostly cloudy with snow showers and a bit cooler Wednesday, a (40%) chance of evening snow showers, widespread frost late at night,
Partly cloudy with widespread AM frost, partly cloudy and a bit warmer Thursday afternoon, widespread evening frost, mostly cloudy with a slight (20%) chance of snow with a good (50%) chance of rain late Thursday night.
snow level 7,000 ft. falling to 4,500 ft. late tonight, 3,500 ft. Tuesday, 2,500 ft. Tuesday night through Wednesday night, free air freezing level at the surface Thursday, then snow level 3,000 ft. Thursday night, then 7,500 ft. Friday and Friday night.
lows 28-17 warming to 24 Thursday night highs 32-29 warming to 33 Thursday.
Cloudy with a good (50%) chance of rain and a bit warmer Friday, rain Friday night,
Mostly cloudy and a bit cooler with rain and snow likely (70%) Saturday, snow and rain at night,
Mostly cloudy with snow and rain and a bit cooler Sunday, snow and rain likely (70%) Sunday night,
Then mostly cloudy and a bit warmer with rain and snow likely (70%) Monday.
7,500 ft. Friday and Friday night, 5,000 ft. Saturday, 4,000 ft. Saturday night and Sunday, 3,500 ft. Sunday night, then 5,000 ft. Monday.
highs 38-33 warming to 35 Monday lows 26-34 cooling to 29 Saturday night.

For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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8/ 22 Plenty of sunshine, but cooler to start your workweek today.

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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:

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

Forecast for the Northern Oregon Cascades including Willamette Pass: