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November 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 WEATHER ADVISORY IS IN EFFECT FROM 1 PM WEDNESDAY UNTIL 1 AM WEDNESDAY FOR WALLOWA COUNTY AND THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE GRANDE RONDE VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE JOHN DAY BASIN, THE OCHOCO, AND THE JOHN DAY HIGHLANDS.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT  UNTIL 10 PM FRIDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 PM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN,  CENTRAL AND EASTERN LAKE COUNTY.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM SATURDAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
  • A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON  COAST.
  • A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.

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) gives way to a series of storm systems. A frontal system will move in bringing rain chances today. The graphics for days 1-3 show a frontal system moving into the Pacific Northwest from the northwest today and tonight. The graphics for days 3-7  Friday through Tuesday show the complex frontal systems that will move in Friday through Tuesday.Forecast for the South Willamette Valley including Eugene-Springfield:

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy with a good (50%) chance of evening showers, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Patchy AM fog, partly cloudy and a bit cooler Wednesday, mostly cloudy with patchy fog and frost late Wednesday night,
  • Some AM clouds with patchy frost, mostly sunny Thursday afternoon (Thanksgiving Day), partly cloudy in the evening, mostly cloudy with patchy fog late at night,
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Friday, then a good (50%) chance of rain Friday night,
  • lows 40-34 warming to 37 Friday night highs 54-56.
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Saturday, a good (50%) chance of evening rain, rain likely (70%) late Saturday night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Sunday and in the evening, a (40%) chance of rain at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Monday, partly cloudy with a good (50%) of rain and snow late Monday night,
  • Mostly cloudy with AM rain likely (70%) and a slight (20%) chance of snow, then rain likely (70%) Tuesday afternoon.
  • highs 52-47 lows 37-32. (Seasonal Averages high 51 low 37)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a (30%) chance of evening rain, mostly cloudy with patchy fog late tonight,
  • Partly cloudy with patchy AM fog, partly cloudy and a bit cooler Wednesday afternoon and evening, mostly clear late Wednesday night,
  • Sunny and a bit warmer Thursday (Thanksgiving Day), partly cloudy in the evening, mostly cloudy late Thursday night,
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Friday, then a good (50%) chance of showers Friday night.
  • lows 44-42 highs 54-60 cooling to 56 Friday.
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, a bit cooler with a (40%) chance of showers Saturday afternoon, a (40%) chance of rain rain and snow showers Saturday night,
  • Mostly cloudy with AM rain and snow likely (70%), a bit cooler with rain likely (70%) Sunday afternoon, rain and snow likely (70%) at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Monday, a (40%) chance of rain and snow Monday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow, then rain and snow likely (70%) and a bit cooler Tuesday afternoon.
  • highs 5o-45 lows 40-34. (Seasonal Averages high 52 low 40).

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

  • Mostly cloudy with a slight (20%) chance of evening rain (under 0.10 in. of rain possible), patchy fog late tonight,
  • Patchy AM fog, partly cloudy and a bit warmer Wednesday afternoon,  partly cloudy in the evening, partly cloudy with patchy fog late Wednesday night,
  • Sunny and a bit warmer Thursday (Thanksgiving Day), then becoming mostly cloudy with a slight (20%) chance of rain late Thursday night.
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Friday, then mostly cloudy with a good (50%) chance of showers Friday night.
  • lows 42-39 warming to 42 Thursday night and Friday night highs 63-65 cooling to 62 Thursday.
  • Mostly cloudy with a (30%) chance of showers and a bit cooler Saturday and in the evening, a  good (50%) chance of rain late Saturday night,
  • Mostly cloudy with rain and a bit cooler Sunday, rain likely (70%) at night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, a good (50%) chance of showers and a bit cooler Monday afternoon and evening, a (40%) chance of rain and snow showers Monday night,
  • AM rain and snow likely (70%), then mostly cloudy with rain likely (70%) Tuesday afternoon.
  • highs 58-54 lows 40-36 (Seasonal Averages high 55 low 43)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening rain and snow showers, just mostly cloudy late tonight (0.10 in. of rain possible, 1 in. of snow possible),
  • Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
  • Mostly sunny and a bit warmer Thursday (Thanksgiving Day), partly cloudy in the evening, mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain and snow Friday afternoon, then a good (50%) chance of rain and snow Friday night.
  • snow level 5,000 ft. this evening, free air freezing level 6,500 ft. rising to 10,000 ft. Wednesday afternoon, 11,000 ft. rising to 12,000 ft. late Wednesday night, 12,000 ft. rising to 13,000 ft. Thursday afternoon, 13,000 ft. falling to 12,000 ft. late Thursday night, snow level 6,000 ft. Friday, then 5,500 ft. falling to 4,500 ft. late Friday night.
  • lows 27-30 cooling to 28 Friday night highs 44-48 cooling to 45 Friday.
  • A mix of clouds and sun and a bit cooler with a (40%) chance of rain and snow Saturday, mostly cloudy with a (40%) chance of evening rain and snow, a (40%) chance of rain and snow late Saturday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow, snow and rain likely (70%) and a bit cooler Sunday afternoon (snow possibly heavy at times), evening rain and snow likely (70%), a good (50%) chance of snow late at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of snow Monday, partly cloudy with a (30%) chance of evening snow, mostly cloudy with a (30%) chance of snow late Monday night,
  • Then a mix of clouds and sun with a good (50%) chance of snow Tuesday.
  • snow level 3,500 ft. rising to 4,000 ft. Saturday afternoon, 3,500 ft. falling to 3,000 ft. late Saturday night, 3,000 ft. Sunday, 2,500 ft. falling to 2,000 ft. late Sunday night, 1,500 ft. rising to 2,000 ft. Monday afternoon, 2,000 ft. Monday night, then 2,000 ft. Tuesday afternoon.
  • highs 35-29 lows 25-19.
  • 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.