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September 9, 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 RED FLAG WARNING IS IN EFFECT UNTIL  11 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH OREGON COAST RANGE, THE EAST SLOPES OF THE CENTRAL OREGON COAST RANGE, AND THE WILLAMETTE VALLEY.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH OREGON CASCADE FOOTHILLS, THE CENTRAL OREGON CASCADE FOOTHILLS, THE MOUNT HOOD NATIONAL FOREST WEST OF CASCADE CREST, AND THE WILLAMETTE NATIONAL FORECAST.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
  •  A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM SATURDAY FOR EAST WIND OVERNIGHT WITH POOR RECOVERIES FOR THE UMPQUA BASIN, THE UMPQUA NATIONAL FOREST, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM SATURDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY AND GUSTY WINDS AND POOR OVERNIGHT RECOVERIES FOR THE WESTERN SISKIYOU NATIONAL FOREST AND THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY.
  • A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT, THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON,  AND THE LOWER COLUMBIA BASIN OF OREGON.
  • A RED FLAG WARNING FOR EAST WIND WITH POOR OVERNIGHT RELATIVE HUMIDITY RECOVERY FOR THE SOUTHERN OREGON COAST.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM SATURDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, JACKSON COUNTY, AND CENTRAL DOUGLAS COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 2 PM SATURDAY FOR DESCHUTES, UMATILLA, UNION, AND WALLOWA COUNTIES.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM SATURDAY FOR  COOS, CURRY, DOUGLAS, JACKSON, JOSEPHINE,  KLAMATH, AND LAKE COUNTIES.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 AM SATURDAY DUE TO EASTERLY WINDS PUSHING WILDFIRE SMOKE AND HOT TEMPERATURES  INTO WESTERN OREGON FOR THE CENTRAL OREGON COAST, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE SOUTH WILLAMETTE VALLEY, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CASCADES IN LANE COUNTY.

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 High Pressure Ridge (“Arch” shape) moves closer to the coast to keep our warmer weather pattern in place. Winds are shifting from the east which will bring hot air and wildfire smoke to Western Oregon. The graphics for days 1-3 show the weak cold front that moved through Oregon Wednesday. The graphics for days 3-7 Monday through Friday show more active weather patterns over the Pacific Northwest. A pair of cold fronts will be sliding into the Pacific Northwest Monday and Tuesday, then a front to our northwest next Friday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Clear and hazy with areas of evening smoke, clear and hazy late tonight,
  • Sunny and hazy with areas of smoke and very Hot Saturday afternoon, partly cloudy with evening haze, mostly cloudy with a slight (20%) chance of showers late Saturday night,
  • A mix of clouds and sun and cooler Sunday, mostly cloudy with patchy drizzle late at night,
  • A mix of clouds and sun with patchy AM drizzle, mostly sunny and a bit cooler Monday afternoon, then partly cloudy Monday night
  • lows 55-58 cooling to 53 Monday night highs 98-80.
  • A mix of clouds and sun and a bit cooler Tuesday, partly cloudy Tuesday night.
  • Partly cloudy Wednesday through Thursday night,
  • Then partly cloudy and a bit cooler Friday.
  • highs 78-76 lows 52-50. (Seasonal Averages high 80 low 49)

Forecast for the Umpqua Valley including Roseburg:

  • Clear with patchy evening smoke, hazy with areas of smoke late tonight,
  • Sunny and hazy with areas of smoke and a bit warmer, hot, Saturday, partly cloudy and hazy with areas of evening smoke, just partly cloudy and hazy late Saturday night,
  • Mostly sunny and cooler Sunday, mostly cloudy with a slight (20%) chance of showers at night,
  • Patchy AM and late night fog, partly cloudy and cooler Monday, then partly cloudy Monday night.
  • lows 62-64 cooling to 57 Monday night highs 103-82.
  • Patchy AM fog, a mix of clouds and sun and a bit cooler Tuesday afternoon, partly cloudy with patchy fog Tuesday night,
  • Partly cloudy with patchy fog Wednesday, partly cloudy with patchy fog at night,
  • Partly cloudy with patchy fog and a bit cooler Thursday, partly cloudy Thursday night,
  • Then partly cloudy and a bit cooler Friday.
  • highs 80-76 lows near 53. (Seasonal Averages high 82 low 54).

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

  • Clear and with evening haze, hazy with areas of smoke late tonight,
  • Sunny and hazy with areas of smoke and cooler Saturday, partly cloudy and hazy with evening smoke, partly cloudy with and haze and a slight (20%) chance of showers late Saturday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy and a bit cooler Sunday, mostly cloudy with a slight (20%) chance of showers at night and patchy fog late,
  • Patchy AM and late night fog, then just mostly cloudy and a bit cooler Monday and Monday night.
  • lows 59-56 highs 80-72.
  • Patchy AM and late night fog, then just mostly cloudy and a bit cooler Tuesday through Wednesday night,
  • Patchy AM fog, mostly sunny and a bit cooler Thursday afternoon, mostly cloudy Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 73-70 warming to 72 Friday lows near 54. (Seasonal Averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear and hazy with areas of smoke and breezy (Wind: E 15-20 mph gusts to 35 mph) tonight,
  • Sunny and hazy with areas of smoke and hot Saturday, partly cloudy and hazy with areas of evening smoke, mostly cloudy and hazy late Saturday night,
  • Partly cloudy and a bit cooler Sunday, becoming mostly cloudy with patchy drizzle at night,
  • Partly cloudy with patchy AM drizzle, partly cloudy and a bit cooler Monday afternoon, then partly cloudy Monday night.
  • free air freezing level above 16,000 ft. tonight and Saturday, 16,000 ft. falling to 15,000 ft. late Saturday night, 15,000 ft. Sunday, 15,000 ft. falling to 14,000 ft. late Sunday night, 14,000 ft. falling to 13,000 ft. Monday afternoon, then 13,000 ft. Monday night.
  • lows 49-54 cooling to 44 Monday night highs 88-72.
  • Partly cloudy and a bit cooler Tuesday, partly cloudy Tuesday night,
  • Partly cloudy Wednesday and at night,
  • Then partly cloudy and a bit cooler Thursday through Friday.
  • free air freezing level 13,000 ft. Tuesday and Tuesday night, then 12,000 ft. Wednesday through Friday.
  • highs 68-63 lows near 43.

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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

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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.