Tim Chuey Weather

September 11, 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 2 PM MONDAY FOR DESCHUTES, UMATILLA, UNION, AND WALLOWA COUNTIES.
AN AIR QUALITY ALERT IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL AT LEAST 5 PM MONDAY FOR CURRY, DOUGLAS, JACKSON, JOSEPHINE, KLAMATH, AND LAKE COUNTIES.
AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 11 AM MONDAY 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.
AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 11 AM MONDAY FOR MALHEUR 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) slowly weakens switching to onshore airflow and allowing our temperatures to cool down a bit and give us the possibility of a few drops of rain. The graphics for days 1-3 show no frontal systems for Oregon through Monday. The graphics for days 3-7 Wednesday through Sunday show a cold front moving away from the Pacific Northwest Wednesday, then a front to our northwest Friday then pushing through Saturday.Yet another cold front will be approaching from the northwest next Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly cloudy with a (40%) chance of showers tonight (under 0.10 in. of rain possible),
Partly cloudy with a slight (20%) chance of AM showers, just partly cloudy and a bit cooler Monday afternoon, partly cloudy Monday night,
A mix of clouds and sun and a bit cooler Tuesday, partly cloudy at night,
A mix of clouds and sun Wednesday, mostly cloudy in the evening, then partly cloudy late Wednesday night.
lows 58-52 highs 79-77.
Partly cloudy Thursday through Friday night,
A mix of clouds and sun and a bit cooler Saturday, partly cloudy with a slight (20%) chance of rain Saturday night,
Then a mix of clouds and sun and a bit cooler with a (30%) chance of rain Sunday.
highs 77-74 lows near 49. (Seasonal Averages high 80 low 49)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy and hazy with a (30%) chance of showers tonight and patchy fog late,
Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, partly cloudy and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Monday night,
Mostly cloudy with patchy AM fog, partly cloudy Tuesday afternoon, mostly cloudy at night,
Then mostly cloudy Wednesday and Wednesday night.
lows 62-54 highs near 78.
Patchy AM fog, partly cloudy Thursday afternoon and Thursday night,
Partly cloudy and a bit warmer Friday and in the evening, mostly cloudy late at night,
Partly cloudy and a bit cooler Saturday, partly cloudy with a slight (20%) chance of showers Saturday night,
Then partly cloudy and a bit cooler with a slight (20%) chance of showers Sunday.
highs 78-74 lows 52-54 cooling back to 52 Saturday night. (Seasonal Averages high 82 low 53).

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

Mostly cloudy with a (30%) chance of showers tonight with patchy fog late,
Mostly cloudy with patchy AM fog and a slight (20%) chance of coastal drizzle, partly cloudy and a bit warmer Monday afternoon and evening, mostly cloudy with patchy fog late Monday night,
Patchy AM inland fog, mostly cloudy Tuesday afternoon mostly cloudy at night,
Mostly cloudy Wednesday, mostly cloudy with patchy fog late Wednesday night.
lows 57-53 highs near 72.
Partly cloudy Thursday and Thursday night,
Mostly cloudy Friday and at night,
Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit cooler Saturday afternoon, mostly cloudy Saturday night,
Then mostly cloudy and a bit warmer with a (30%) chance of showers Sunday.
highs 72-70 warming back to 72 Sunday lows 52-54. (Seasonal Averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy with haze and areas of smoke with a (40%) chance of showers tonight,
Mostly cloudy and hazy with areas of smoke and a (30%) chance of AM showers, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon (under 0.10 in. of rain possible), partly cloudy with haze and areas of smoke Monday night,
Some AM clouds, sunny and a bit cooler Tuesday afternoon, partly cloudy at night,
A mix of clouds and sun and a bit cooler Wednesday afternoon, then mostly cloudy Wednesday night.
snow level above 8,000 ft. tonight and Monday, free air freezing level 13,000 ft. Monday night through Tuesday night, then 12,000 ft. Wednesday and Wednesday night.
lows 52-42 highs 72-66.
AM clouds and sun, sunny and a bit cooler Thursday afternoon, partly cloudy Thursday night,
Partly cloudy and a bit warmer Friday, partly cloudy in the evening, mostly cloudy late Friday night,
A mix of clouds and sun and a bit cooler with a slight (20%) of rain Saturday afternoon, partly cloudy with a slight (20%) chance of rain Saturday night,
Then partly cloudy and a bit cooler with a slight (20%) chance of rain Sunday.
free air freezing level 11,000 ft. Thursday, 12,000 ft. Thursday night and Friday, 11,000 ft. Friday night, snow level above 8,000 ft. Saturday, then 8,000 ft. Saturday night and Sunday.
highs 64-66 cooling to 59 Sunday lows 42-40.

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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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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.

Tim Chuey Weather

ADVISORIES

HEALTH ADVISORIES

THE WEATHER PATTERN

Forecast for the South Willamette Valley including Eugene-Springfield:

Forecast for the Umpqua Valley including Roseburg:

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

Forecast for the Northern Oregon Cascades including Willamette Pass:

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

Forecast for the Northern Oregon Cascades including Willamette Pass: