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September 12, 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

  • AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 1 PM WEDNESDAY FOR CROOK, DESCHUTES, GRANT, UMATILLA, UNION, WALLOWA, AND WHEELER COUNTIES.
  • AN AIR QUALITY ALERT IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL NOON WEDNESDAY FOR KLAMATH AND LAKE COUNTIES.       
  • AN AIR QUALITY ALERT IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL AT LEAST 5PM TODAY FOR CURRY, DOUGLAS, JACKSON, AND JOSEPHINE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 11 AM WEDNESDAY FOR BAKER, HAREY, AND MALHEUR COUNTIES.

HEALTH ADVISORIES

  • 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.
  • NOTE: A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE WILLAMETTE RIVER NEAR CATHEDRAL PARK IN NORTH PORTLAND  DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. IT HAS BEEN EXPANDED UPSTREAM (SOUTH) TO THE WILLAMETTE COVE AREA NEAR THE SP&S RAILROAD BRIDGE. 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. BLOOMS CAN DEVELOP AND DISAPPEAR ON ANY BODY OF WATER AT ANY TIME, EVEN IN THE FALL AND WINTER IF CONDITIONS ARE FAVORABLE. ONLY A FRACTION OF WATER BODIES IN OREGON ARE MONITORED FOR CYANOBACTERIA, BLOOMS AND TOXINS DURING THE RECREATION SEASON, AND NO MONITORING OR SAMPLING IS PERFORMED ONCE RECREATION SEASON HAS ENDED. IT IS VERY IMPORTANT FOR PEOPLE TO BECOME FAMILIAR WITH SIGNS OF BLOOM, EXPOSURES, AND SYMPTOMS BY VISITING OHA’S CYANOBACTERIA HARMFUL ALGAE BLOOM WEBSITE AT:  http://www.healthoregon.org/hab.
  • 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) is moving toward the coast and brings onshore airflow with it to cool us down a bit and give us  a few drops of rain. The graphics for days 1-3 show no frontal systems for Oregon through Wednesday. The graphics for days 3-7 Thursday through Monday show a cold front to our northwest Friday then pushing through Saturday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Partly cloudy tonight,
  • Partly cloudy and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Patchy AM fog and late night fog, partly cloudy Wednesday and at night,
  • Patchy AM fog, then partly cloudy Thursday and Thursday night.
  • lows 53-49 highs near 76.
  • A mix of clouds and sun and a bit cooler Friday, partly cloudy Friday night,
  • A mix of clouds and sun with a slight (20%) chance of showers Saturday afternoon, mostly cloudy with a slight (20%) chance of evening showers,  partly cloudy with a slight (20%) chance of showers late at night,
  • A mix of clouds and sun with a (30%) chance of showers Sunday, partly cloudy with a (30%) chance of evening showers, just partly cloudy late Sunday night,
  • Then partly cloudy with a slight (20%) chance of showers Monday.
  • highs near 73 lows 48-50. (Seasonal Averages high 79 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy with patchy fog late tonight,
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler Tuesday afternoon, mostly clear in the evening, mostly cloudy late Tuesday night,
  • Mostly cloudy Wednesday, partly cloudy in the evening, mostly cloudy late at night,
  • Patchy AM fog, then partly cloudy Thursday afternoon and Thursday  night.
  • lows 55-52 highs near 77.
  • Mostly cloudy and a bit warmer Friday and Friday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon and at night,
  • Mostly cloudy and a bit cooler with a (30%) chance of showers Sunday, a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Sunday night,
  • Partly cloudy with a slight (20%) chance of AM showers, then just partly cloudy Monday afternoon.
  • highs 74-70 warming to 73 Monday lows 50-52 cooling back to 50 Sunday night. (Seasonal Averages high 82 low 53).

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

  • Becoming mostly cloudy with patchy fog late tonight,
  • AM clouds with patchy inland AM fog, partly cloudy and a bit warmer Tuesday afternoon mostly cloudy Tuesday night,
  • Patchy AM and late night fog, mostly cloudy and a bit cooler Wednesday and at night,
  • Patchy AM fog, partly cloudy and a bit warmer Thursday, then mostly cloudy Thursday night.
  • lows 55-52 highs 72-70 warming back to 72 Thursday.
  • Mostly cloudy Friday and Friday night,
  • Mostly cloudy with a slight (20%) chance of showers and a bit cooler Saturday afternoon, mostly cloudy with a (30%) chance of showers at night,
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Sunday, a slight (20%) chance of showers Sunday night,
  • Partly cloudy with a slight (20%) chance of AM showers, then just partly cloudy Monday afternoon.
  • highs 72-70 lows near 52. (Seasonal Averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy and hazy late tonight,
  • Some AM clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy Tuesday night,
  • Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late at night,
  • AM clouds and sun, sunny and a bit cooler Thursday afternoon, then partly cloudy Thursday night.
  • free air freezing level 13,000 ft. tonight, 12,000 ft.Tuesday, 13,000 ft. Tuesday night, 12,000 ft. Wednesday through Thursday night.
  • lows 42-39 highs 65-67 cooling to 60 Thursday night.
  • A mix of clouds and sun and a bit cooler Friday, partly cloudy in the evening, mostly cloudy late Friday night,
  • A mix of clouds and sun and a bit cooler Saturday, mostly cloudy with a slight (20%) chance of showers at night,
  • A mix of clouds and sun and a bit cooler with a (30%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Monday.
  • free air freezing level 12,000 ft. Friday, 11,000 ft. Friday night, 8,000 ft. Saturday, snow level  7,000 ft. Saturday night, 8,000 ft. Sunday and Sunday night,  then 7,500 ft. Monday.
  • highs 60-54 warming to 56 Monday lows near 37.

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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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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

Posted In Uncategorized

Post navigation

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.