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December 29, 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 ABOVE 4,500 FT. UNTIL 6 AM FRIDAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM FRIDAY FOR BAKER COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN. LAKE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY ABOVE 4,500 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY ABOVE 4,500 FT. FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR HARNEY COUNTY AND MALHEUR COUNTY.
  • A WIND ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 1 PM FRIDAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, AND THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS.
  • A WIND ADVISORY IS FROM 10 PM TONIGHT IS IN EFFECT UNTIL 10 AM FRIDAY FOR THE GRANDE RONDE VALLEY.
  • A WIND ADVISORY IS IN EFFECT FROM 4 PM THIS AFTERNOON UNTIL 10 AM FRIDAY FOR CENTRAL AND EASTERN LAKE 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 Low Pressure Trough (“U” Shape) brings a warm front and more rain.The graphics for days 1-3 show a complex frontal moving into Northern California and southern Oregon. The graphics for days 3-7  Sunday through Thursday show the parade of frontal systems headed our way through the period.
  • **Note: Ski season is well under way, but the recent rains have impacted the slopes. With the continued snowfall expected the ski conditions should greatly improve.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy with rain late tonight (0.50 in. of rain possible),
  • Mostly cloudy with rain and a bit warmer Friday (0.25 in. of rain possible), cloudy with a good (50%) chance of rain Friday night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with a good (50%) of rain Saturday (under 0.10 in. of rain possible), a slight (20%) chance of showers at night (New Year’s Eve),
  • Mostly cloudy and a bit cooler Sunday (New Year’s Day), partly cloudy in the evening, then mostly cloudy  Sunday night.
  • lows 34-44 highs 52-46.
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler Monday afternoon, a good (50%) chance of rain Monday night,
  • Mostly cloudy and a bit warmer with rain Tuesday and at night,
  • Mostly cloudy and a bit warmer with rain Wednesday, rain likely (70%) Wednesday night,
  • Mostly cloudy with AM rain likely (70%), then a good (50%) chance of rain Thursday afternoon.
  • highs 45-50 lows 34-37. (Seasonal Averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with rain tonight (0.50 in. of rain possible),
  • Mostly cloudy with rain and a bit cooler Friday (0.25 in. of rain possible), cloudy with evening rain, a slight (20%) chance of rain Friday night (0.10 in. of rain possible),
  • Mostly cloudy with a (30%) of rain and a bit cooler Saturday (under 0.10 in. of rain possible, afternoon snow level 3,500 ft.), a (30%) chance of rain (snow level 3,500n ft. falling to 3,000 ft.) Saturday night (New Year’s Eve),
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Sunday afternoon (New Year’s Day), then rain and snow late at night.
  • lows 48-36 highs 50-46.
  • Mostly cloudy with rain and snow and a bit cooler Monday, a good (50%) chance of evening rain, a (40%) chance of rain and snow late Monday night,
  • Mostly cloudy with AM rain and snow likely (70%), rain and a bit warmer Tuesday afternoon, rain at night,
  • Mostly cloudy with rain and a bit warmer Wednesday, rain likely (70%) Wednesday night,
  • Then mostly cloudy and a bit warmer with rain likely (70%) Thursday.
  • highs 47-50 lows 36-40. (Seasonal Averages high 48 low 36).

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

  • Mostly cloudy with evening coastal rain and coastal rain late while inland rain late tonight (0.50 in. of rain possible) and windy (Coastal Wind: S 20-30 mph decreasing and shifting SW 10-15 mph late tonight while inland Wind: SW 10-20 mph),
  • Mostly cloudy with rain and slightly warmer Friday (0.25 in. of rain possible), cloudy with evening coastal rain likely (70%) and a slight (20%) chance  of coastal rain Friday night while evening inland rain and with a good (50%) chance of inland rain late Friday night (0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Saturday (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of evening coastal rain while a slight (20%) chance of inland evening rain with patchy inland fog late Saturday night (New Year’s Eve),
  • Mostly cloudy with areas of AM fog, partly cloudy and a bit cooler Sunday afternoon (New Year’s Day), a slight (20%) chance of evening rain, then  likely (70%) Sunday night.
  • lows 43-38 highs 56-54.
  • Mostly cloudy with AM rain, a good (50%) chance of rain and a bit cooler Monday afternoon, a good (50%) chance of evening rain, rain late at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain and a bit warmer Tuesday afternoon, rain at night,
  • Mostly cloudy with rain and a bit warmer Wednesday, rain likely (70%) Wednesday night,
  • Then mostly cloudy with rain likely (70%) Thursday.
  • highs 52-55 lows 39-42 (Seasonal Averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening snow, rain and snow late tonight (1.00 in. of rain possible, 3-7 in. of snow possible, under 0.25 in. of ice accumulation possible),
  • Mostly cloudy with rain and snow and a bit warmer Friday with patchy early afternoon fog (0.50 in. of rain possible, 2-5 in. of snow possible, 0.10 in. of ice accumulation possible), evening rain and snow likely (70%, ), rain likely (70%) with a (30%) chance of snow Friday night (1-4 in. of snow possible),
  • Mostly cloudy with a good (50%) chance of rain and snow Saturday. (1 in. of snow possible), a (30%) chance of evening rain with a slight (20%) chance of snow, a slight (20%) chance of rain and snow late at night (New Year’s Eve),
  • Partly cloudy and a bit cooler Sunday (New Year’s Day) and in the evening, then mostly cloudy late Sunday night.
  • snow level 6,000 ft. tonight, 5,000 ft. falling to 4,500 ft. Friday, 4,500 ft. Friday night, 4,000 ft. Saturday, 3,500 ft. falling to 3,000 ft. late Saturday night, free air freezing level at the surface rising to 4,000 ft. Sunday, 4,500 ft.l in the evening, then snow level 1,500 ft. late Sunday night.
  • lows 30-22 highs 34-32.
  • Cloudy and a bit cooler with a good (50%) chance of snow Monday, mostly cloudy with a (40%) chance of evening rain and snow, a (40%) chance of rain or snow late Monday night,
  • Mostly cloudy with a good (50%) chance of AM snow, rain likely (70%) and a bit warmer with a  (40%) chance of snow Tuesday afternoon, rain and snow at night,
  • Mostly cloudy and a bit warmer with rain and snow Wednesday, a good (50%) chance of rain and snow Wednesday night,
  • Then a mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow Thursday.
  • free air freezing level snow level 1,500 ft. rising to 2,000 ft. Monday afternoon, 3,000 ft. falling to 2,500 ft. late Monday night, 2,500 ft.  rising to 3,500 ft. Tuesday afternoon, 3,000 ft. Tuesday night, 3,500 ft. rising to 4,000 ft. Wednesday, 3,500 ft. Wednesday night, then 3,500 ft. rising to 4,000 ft. Thursday.
  • highs 30-34 lows 22-26.
  • 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.