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December 7, 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 6 PM TODAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON THURSDAY FOR THE UPPER HOOD RIVER VALLEY AND THE CENTRAL COLUMBIA RIVER GORGE.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 6 PM THURSDAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS AND THE CASCADE FOOTHILLS IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 10 PM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TO 10 AM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM UNTIL 10 PM THURSDAY ABOVE 2,500 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY.
  • A FREEZING FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE LOWER COLUMBIA BASIN OF OREGON.
  • .

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

  • Short-lived Upper Level  High Pressure (“Arch” shape) starts to dry us out a bit. The graphics for days 1-3 show no frontal activity through today, but a front will move in Thursday. The graphics for days 3-7  Saturday through Wednesday show the parade of frontal systems headed our way.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Patchy AM fog, mostly cloudy and a bit warmer this afternoon, increasing clouds with a slight (20%) chance of evening rain, rain late tonight (0.10 in. of rain possible),
  • Mostly cloudy with AM rain, showers and a bit warmer Thursday afternoon (0.25 in. of rain possible), showers Thursday night (0.10 in. of rain possible),
  • Then mostly cloudy with rain Friday and Friday night.
  • highs 42-46 lows 36-34 warming to 37 Friday night.
  • Mostly cloudy with rain Saturday and Saturday night.
  • Mostly cloudy and a bit cooler with rain likely (70%) Sunday, a (40%) chance of rain Sunday night with a slight (20%) chance of snow late,
  •  Mostly cloudy with a (40%) chance of AM snow, a (40%) chance of rain and a bit cooler Monday afternoon, a good (50%) chance of evening rain, rain and snow likely (70%) late Monday night,
  • Then mostly cloudy and a bit warmer with rain likely (70%) Tuesday.
  • highs 46-44 warming back to 46 Tuesday lows 33-30 warming to 32 Monday night. (Seasonal Averages high 48 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy today, mostly cloudy with evening showers likely (70%), rain and snow  showers late tonight (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 2,000 ft.),
  • Mostly cloudy with patchy AM fog, rain and snow and a bit cooler Thursday (snow level 2,500 ft.), rain and snow likely (70%) with patchy fog Thursday night,
  • Cloudy with patchy AM fog, rain and snow and a bit warmer Friday (snow possibly heavy at times in the afternoon), evening rain, then rain and snow late Friday night.
  • highs 48-43 warming to 44 Friday lows 36-38.
  • Mostly cloudy with AM showers and snow, rain and snow  showers and a bit cooler Saturday afternoon and evening (snow possibly heavy at times), rain and snow showers likely (70%) late Saturday night,
  • Mostly cloudy with AM rain and snow showers likely (70%), a good (50%) chance of rain and snow showers Sunday afternoon, mostly cloudy with patchy fog and a (40%) chance of rain and snow showers at night,
  • Mostly cloudy with patchy fog and a (30%) of rain and snow showers and a bit warmer Monday, a (40%) chance of rain and snow Monday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow, then a good (50%) chance of rain and a bit warmer Tuesday afternoon.
  • highs 42-44 lows near 35-32 warming to 34 Monday night. (Seasonal Averages high 48 low 37).
  • highs 42-44 lows near 35-32 warming to 34 Monday night. (Seasonal Averages high 48 low 37).

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

  • Partly cloudy start at the shore and becoming mostly cloudy and a bit warmer with a slight (20%) chance of showers this afternoon while mostly cloudy with a slight (20%) chance of inland showers and a bit warmer this afternoon, cloudy with coastal showers tonight while a slight (20%) chance of evening inland showers and inland showers late tonight (0.25 in. of rain possible), breezy: coastal Wind: S 15-20 mph while inland wind Wind: S 15-25 mph decreasing to S 10-20 mph late at night),
  • Mostly cloudy with rain Thursday (0.10 in. of rain possible) and breezy (Wind: S 15-25 mph decreasing in the morning and shifting SW 10-15 mph late morning and afternoon), rain likely (70%) at night,
  • Then mostly cloudy with rain and windy Friday and Friday night.
  • highs near 53 lows 44-40 warming to 43 Friday night.
  • Mostly cloudy with showers and a bit cooler Saturday, showers Saturday night,
  • Mostly cloudy with AM showers likely (70%), a bit warmer with a good (50%) chance of showers Sunday afternoon, a good (50%) chance of rain and snow showers with patchy fog showers at night,
  • Patchy AM fog with a good (50%) chance of rain and snow showers, mostly cloudy with a (40%) chance of showers Monday, a (40%) chance of rain Monday night,
  • Mostly cloudy with AM rain likely (70%), then a good (50%) chance of rain Tuesday afternoon.
  • highs near 52 lows 37-35 warming back to 37 Monday night. (Seasonal Averages high 53 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, partly cloudy with a good (50%) chance of evening snow, mostly cloudy with a good (50%) chance of snow late tonight,
  • Mostly cloudy with AM snow, snow showers and a bit cooler Thursday afternoon (6-10 in. of snow possible, snow possibly heavy at times), evening snow showers likely (70%), a good (50%) chance of snow showers late at night,
  • Mostly cloudy with snow likely (70%) and snow likely (70%) with rain Friday afternoon, then snow and rain Friday night.
  •  free air freezing level 3,500 ft. rising to 4,000 ft. this afternoon, snow level 2,500 ft. tonight, 3,000 ft. Thursday, 1,500 ft. Thursday night, 2,000 ft. Friday , then 3,500 ft. Friday night.
  • highs 32-29 lows 20-25.
  • Mostly cloudy and a bit warmer with snow and rain Saturday, snow likely (70%) Saturday night,
  • Mostly cloudy with AM snow likely (70%), a good (50%) chance of snow  and a bit cooler Sunday afternoon, a (30%) chance of snow at night,
  • Mostly cloudy with a slight (20%) chance of AM snow, a bit warmer with a  (30%) snow Monday afternoon, mostly cloudy with a good (50%) chance of snow Monday night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of snow Tuesday with a good (50%) chance of rain and snow Tuesday afternoon.
  • snow level 3,000 ft.  Saturday, 2,500 ft. Saturday night, 2,000 ft. Sunday, at the surface Sunday night through Monday night, then 2,500 ft.Tuesday.
  • highs 27-30 lows 20-18 warming back to 20 Monday 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.