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December 22, 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 FROM 4 PM TODAY UNTIL 6 PM FRIDAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT FROM NOON TODAY UNTIL 7 AM FRIDAY FOR  THE CENTRAL COAST RANGE OF WESTERN OREGON, AND THE SOUTH WILLAMETTE VALLEY.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 1 PM FRIDAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 7 PM THIS EVENING UNTIL UNTIL 7 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A WIND CHILL ADVISORY IS IN EFFECT FROM 4 AM TODAY UNTIL 6 AM FRIDAY FOR THE COAST RANGE OF NORTHWEST OREGON.
  • A WIND CHILL WARNING IS IN EFFECT FROM 10 PM TONIGHT UNTIL 6 AM FRIDAY FOR THE NORTHERN OREGON CASCADES.
  • A WIND CHILL ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE EASTERN COLUMBIA GORGE OF OREGON AND NORTH CENTRAL OREGON.
  • A WINTER STORM WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH LATE SATURDAY NIGHT FOR THE EASTERN COLUMBIA GORGE OF OREGON AND NORTH CENTRAL OREGON.
  • A WIND CHILL ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON AND NORTH CENTRAL OREGON.
  • A WIND CHILL ADVISORY IS IN EFFECT UNTIL 10 AM FRIDAY FOR 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, AND CENTRAL OREGON.
  • A WINTER STORM WARNING IS IN EFFECT  FROM 4 PM TODAY UNTIL 4 PM SATURDAY  FOR THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA GORGE, AND THE CENTRAL COLUMBIA GORGE.
  • A WINTER STORM WARNING IS IN EFFECT FROM 2 PM TODAY UNTIL 7 AM FRIDAY FOR THE NORTHERN OREGON COAST.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 PM FRIDAY FOR THE GREATER PORTLAND METRO AREA.
  • A WIND CHILL ADVISORY IS IN EFFECT FROM 4 AM TODAY UNTIL 6 AM FRIDAY FOR THE GREATER PORTLAND METRO AREA.
  • A WIND ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE PORTLAND METRO AREA.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 1 PM FRIDAY  FOR THE NORTHERN OREGON CASCADE FOOTHILLS.
  • A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 1 PM FRIDAY FOR THE LOWER COLUMBIA AND THE CENTRAL WILLAMETTE VALLEY.
  • A HIGH WIND WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE WESTERN COLUMBIA GORGE.
  • A WIND CHILL ADVISORY IS IN EFFECT UNTIL 6 AM FRIDAY  FOR THE NORTHERN OREGON CASCADE FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 PM TODAY UNTIL 1 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY.
  • A WINTER STORM WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH LATE SATURDAY NIGHT FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 4 PM FRIDAY FOR HARNEY COUNTY AND MALHEUR COUNTY.

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 the Arctic frontal system moving through the Pacific Northwest. The graphics for days 3-7  Sunday through Thursday 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 slight (20%) chance of AM snow lasting to early afternoon (AM snow level 1,500 ft.), snow and much colder this afternoon (under 0.10 in. of rain possible, no snow accumulation expected), evening snow and freezing rain changing to sleet and freezing rain ate tonight (0.25 in. of rain possible, 0.25 in. of ice accumulation possible),
  • Mostly cloudy with AM freezing rain, rain and warmer Friday afternoon (0.10 in. of rain possible), rain likely (70%) Friday night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Saturday, then rain Saturday night.
  • highs 33-52 lows 28-45.
  • AM rain likely (70%), mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday afternoon (Christmas Day), cloudy with a good (50%) chance of evening rain, rain late Sunday night,
  • Mostly cloudy with rain Monday, rain at night,
  • Then mostly cloudy and a bit cooler with rain Tuesday through Wednesday.
  • highs 57-53 lows 46-42. (Seasonal Averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

  • Cloudy with a slight (20%) chance of AM rain and snow, rain with a slight (20%) chance of light freezing rain and a bit cooler this afternoon and evening (under 0.10 in. of rain possible), rain likely (70%) late tonight (0.25 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of rain Friday afternoon (under 0.10 in. of rain possible), a (30%)  chance of rain late at night,
  • Mostly cloudy with AM rain, showers and slightly warmer Saturday afternoon, then cloudy with a good (50%) chance of showers Saturday night.
  • highs 45-53 lows 42-47.
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Sunday (Christmas Day), a good (50%) chance of rain Sunday night,
  • Mostly cloudy with rain and a bit cooler Monday, rain at night,
  • Mostly cloudy and a bit cooler with rain Tuesday and in the evening, rain likely (70%) Tuesday night,
  • Then mostly cloudy and a bit cooler with rain Wednesday.
  • highs 58-52 lows 48-43. (Seasonal Averages high 48 low 36).

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

  • Cloudy with a (30%) chance of AM rain, rain and slightly warmer this afternoon (0.10 in. of rain possible), rain tonight (0.50 in. of rain possible),
  • Mostly cloudy with AM coastal rain and coastal rain likely (70%) a bit warmer Friday afternoon while inland rain likely (70%) and a bit warmer Friday (0.10 in. of rain possible), cloudy with a good (50%) chance of coastal rain at night while a good (50%) chance of inland evening rain with inland rain likely (70%) late at night,
  • Mostly cloudy and a bit warmer with rain Saturday, then cloudy with a good (50%) chance of rain Saturday night,
  • highs 52-59 lows 48-46.
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday (Christmas Day) and in the evening, rain late Sunday night,
  • Mostly cloudy and a bit cooler with rain Monday, rain Monday night,
  • Mostly cloudy and a bit cooler with rain and breezy Tuesday, then rain and a bit cooler Tuesday night and Wednesday.
  • highs 63-57 lows 48-43. (Seasonal Averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a good (50%) chance of late AM rain and snow, cooler with rain and snow this afternoon (0.10 in. of rain possible, 2 in of snow possible), evening rain and snow with sleet changing to freezing rain, rain and snow late tonight (0.50 in. of rain possible, 3-6 in. of snow possible),
  • Mostly cloudy with AM rain, a good (50%) of rain and a bit warmer Friday afternoon, a good (50%) chance of  rain at night,
  • Mostly cloudy and a bit warmer with rain Saturday, then a good (50%) chance of rain late Saturday night.
  • free air freezing level 4,000 ft. tonight, snow level 4,500 ft. Thursday, 6,600 ft. rising to 7,000 ft. late Thursday night, 7,000 ft. falling to 6,500 ft. Friday afternoon, 6,500 ft. rising to 7,000 ft. late Friday night, above 8,000 ft. Saturday, then above 8,000 ft. falling to 8,000 ft. Saturday night.
  • highs 29-39 lows 26-34.
  • Mostly cloudy and a bit warmer with good (50%) chance of rain Sunday (Christmas Day), a (40%) chance of evening rain, rain likely (70%) late Sunday night,
  • Mostly cloudy with rain Monday, rain likely (70%) at night,
  • Mostly cloudy with AM rain, rain and snow and a bit cooler Tuesday afternoon (snow possibly heavy at times), rain and snow Tuesday night (snow possibly heavy at times),
  • Then mostly cloudy and a bit cooler with rain and snow Wednesday.
  •  snow level above 8,000 ft. Sunday and Sunday night,  7,500 ft. falling to 7,000 ft. Monday afternoon, 7,500 ft. falling to 6,000 ft. Tuesday afternoon, 5,000 ft. falling to 4,500 ft. late Tuesday night, then 4,500 ft. falling to 4,000 ft. Wednesday afternoon.
  • highs 42-36 lows 33-35 cooling to 30 Tuesday night.
  • 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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_____

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

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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.

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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.