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December 23, 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 WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM SATURDAY FOR THE NORTHERN OREGON CASCADES.
  • A WINTER WINTER WEATHER IS IN EFFECT FOR FREEZING RAIN UNTIL 12 AM SATURDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE GREATER PORTLAND METRO AREA.
  • A HIGH WIND WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE GRANDE RONDE VALLEY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM SUNDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON,  NORTH CENTRAL OREGON, AND THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS.
  • A WINTER WEATHER ADVISORY FOR FREEZING RAIN IS IN EFFECT UNTIL 2 AM SATURDAY FOR THE LOWER COLUMBIA BASIN OF OREGON, THE CENTRAL WILLAMETTE VALLEY, AND THE NORTHERN OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT  UNTIL 10 PM SATURDAY  FOR THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA GORGE, AND THE CENTRAL COLUMBIA GORGE.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE GREATER PORTLAND METRO AREA.
  • A WINTER WEATHER ADVISORY IS IN EFFECT  UNTIL 11 PM TONIGHT 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) that divided Oregon in half with freezing precipitation in the north and less ice formation to the south. The graphics for days 1-3 show a warm front moving through the Pacific Northwest to warm us back up. The graphics for days 3-7  Monday through Friday show the parade of frontal systems headed our way 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:

  • Mostly cloudy with early evening patchy freezing rain north of Albany, a good (50%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Cloudy with a good (50%) chance of AM rain, rain and much warmer Saturday afternoon (0.25 in. of rain possible), rain Saturday night (0.25 in. of rain possible),
  • Mostly cloudy and warmer with a good (50%) chance of rain Sunday (Christmas Day), cloudy with a slight (20%) chance of evening rain, rain likely (70%) late at night (0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Monday, then rain Monday night.
  • lows 38-52 cooling to 46 Monday night highs 52-62 cooling to 57 Monday.
  • Mostly cloudy and a bit cooler with rain Tuesday, rain Tuesday night,
  • Mostly cloudy and a bit cooler with rain Wednesday, rain at night,
  • Mostly cloudy with rain and a bit warmer Thursday, rain Thursday night,
  • Then mostly cloudy with rain likely (70%) Friday.
  • highs 54-50 warming to 52 Thursday and Friday lows 42-39. (Seasonal Averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with slight (20%) chance of evening rain, rain likely (70%) late tonight,
  • Mostly cloudy with rain and warmer Saturday (0.10 in. of rain possible), rain Saturday night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday (Christmas Day), cloudy with a good (50%) chance of rain at night (under 0.10 in. of rain posible),
  • Mostly cloudy with rain and a bit cooler Monday, then  rain Monday night.
  • lows 45-52 cooling to 49 Monday night highs 57-62 cooling back to 57 Monday.
  • Mostly cloudy and a bit cooler with rain and breezy Tuesday, rain Tuesday night,
  • Mostly cloudy and a bit cooler with rain Wednesday, rain at night,
  • Mostly cloudy with rain and a bit warmer Thursday and Thursday night,
  • Then mostly cloudy and slightly warmer with rain likely (70%) Friday.
  • highs 52-48 warming to 50 Friday lows 42-38 warming to 42 Thursday night. (Seasonal Averages high 48 low 36).

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

  • Cloudy with a (30%) chance of evening rain, rain likely (70%) late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy and slightly warmer with rain Saturday (0.50 in. of rain possible), rain Saturday night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Sunday (Christmas Day), cloudy with evening rain likely (70%), rain late at night (0.10 in. of rain possible) and breezy (coastal Wind: S 15-25 mph while inland Wind: S 15-25 mph decreasing t0 S 10-20 mph late at night),
  • Mostly cloudy and a bit warmer with rain Monday, rain Monday night.
  • lows 50-52 highs 57-62.
  • Mostly cloudy and a bit cooler with rain and windy Tuesday, rain and windy and colder Tuesday night,
  • Mostly cloudy with rain and a bit cooler Wednesday, rain at night,
  • Mostly cloudy with rain Thursday and Thursday night,
  • Then mostly cloudy with rain likely (70%) Friday.
  • highs 58-55 lows 46-43 warming to 47 Thursday night. (Seasonal Averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a (30%) chance of rain tonight (0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM rain, rain and much warmer Saturday afternoon (0.50 in. of rain possible), rain Saturday night (0.50 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM rain, just mostly cloudy and a bit warmer Sunday afternoon (Christmas Day), a (40%) chance of rain at night,
  • Mostly cloudy and a bit cooler with rain Monday, then rain Monday night.
  • snow level 6,500 ft. tonight, above 8,000 ft. Saturday through Sunday, 8,000 ft. Sunday night and Monday, then above 8,000 ft. Monday night.
  • lows 33-37 cooling to 34 Sunday night and Monday night highs 40-45 cooling to 42 Monday.
  • Mostly cloudy with rain or snow and a bit cooler and breezy Tuesday, rain or snow Tuesday night,
  • Mostly cloudy and a bit cooler with rain or snow Wednesday, rain or snow at night,
  • Rain or snow and a bit warmer Thursday, rain or snow Thursday night,
  • Then mostly cloudy with rain or snow likely (70%) Friday.
  •  snow level 7,000 ft. falling to 5,000 ft. Tuesday afternoon, 4,000 ft. late Tuesday night, 3,500 ft. Wednesday and Wednesday night, 4,000 ft. Thursday and Thursday night, then 4,500 ft. Friday.
  • highs 37-32 warming to 35 Thursday and Friday lows 27-29.
  • 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.