Tim Chuey Weather

September 25, 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 UNTIL 11 AM NEXT THURSDAY FOR EASTERN LANE COUNTY DUE TO SMOKE FROM THE CEDAR CREEK WILDFIRE.

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) offshore takes over returning Summer-like temperatures. The graphics for days 1-3 show a cold front approaching the Oregon coast Tuesday. The graphics for days 3-7 Wednesday through Sunday show a frontal system pushing through the Pacific Northwest Wednesday into Thursday. Then another front will be coming out of the Gulf of Alaska toward us Friday and Saturday and sliding through next Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Mostly clear tonight,
Some AM low clouds, mostly sunny and a bit warmer Monday afternoon, mostly clear Monday night,
AM low clouds, mostly sunny and a bit cooler Tuesday, becoming cloudy with a slight (20%) chance of showers late at night,
Mostly cloudy with occasional AM drizzle and a slight (20%) of showers, mostly cloudy a slight (20%) chance of showers and a bit cooler Wednesday afternoon, partly cloudy with a (40%) chance of evening showers, then mostly cloudy with a (40%) chance of showers late Wednesday night.
lows 52-53 highs 87-83.
Patchy AM fog, a mix of clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun and a bit warmer Thursday afternoon, partly cloudy with a slight (20%) chance of showers late Thursday night,
Some AM clouds, mostly sunny and a bit warmer Friday, mostly clear at night,
Partly cloudy and a bit warmer Saturday, partly cloudy with a slight (20%) chance of showers Saturday night,
Then a mix of clouds and sun and a bit cooler Sunday.
highs 74-80 cooling back to 74 Sunday lows 50-52. (Seasonal Averages high 74 low 46)

Forecast for the Umpqua Valley including Roseburg:

Mostly clear late tonight,
Patchy AM fog, sunny and a bit warmer Monday afternoon, clear Monday night,
Sunny and a bit cooler Tuesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late at night,
Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and cooler with a slight (20%) chance of showers Wednesday afternoon, then partly cloudy with a slight (20%) chance of showers Wednesday night.
lows 55-53 warming to 56 Tuesday night cooling to 54 Wednesday night highs 89-73.
Partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday, becoming mostly clear Thursday night,
Mostly sunny and a bit cooler Friday, mostly clear at night,
Partly cloudy and a bit cooler Saturday, mostly cloudy with a slight (20%) chance of showers Saturday night,
Then mostly cloudy and a bit cooler Sunday.
highs 74-80 cooling to 73 Sunday lows near 53. (Seasonal Averages high 77 low 50).

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

Becoming mostly cloudy with areas of coastal fog late tonight and patchy inland fog late tonight,
Partly cloudy with widespread AM coastal fog while patchy AM inland fog, sunny and a bit warmer Monday afternoon, mostly cloudy at the shore while mostly clear inland in the evening and mostly cloudy inland late Monday night,
Partly cloudy and a bit cooler Tuesday, mostly cloudy with a (40%) chance of coastal showers late at night while partly cloudy in the evening inland and mostly cloudy with a (30%) chance of inland showers late at night,
Mostly cloudy with a (30%) chance of AM showers, partly cloudy with a (30%) chance of showers and a bit warmer Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, then mostly cloudy with slight (20%) chance of showers late Wednesday night.
lows 54-52 warming to 55 Tuesday night and Wednesday night highs 74-72 warming back to 74 Wednesday.
Mostly cloudy with a slight (20%) chance of AM showers, just partly cloudy Thursday afternoon and Thursday night,
Sunny and a bit warmer Friday, partly cloudy in the evening, mostly cloudy at night,
Partly cloudy in the AM, mostly cloudy and a bit cooler Saturday afternoon, mostly cloudy with a slight (20%) chance of showers Saturday night,
Then mostly cloudy Sunday.
highs 73-75 cooling to 72 Saturday and Sunday lows near 53. (Seasonal Averages high 66 low 50)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly clear with patchy smoke tonight,
Mostly sunny with patchy smoke Monday, mostly clear with patchy smoke Monday night,
Mostly sunny and a bit cooler with patchy smoke Tuesday, partly cloudy in the evening, mostly cloudy late at night,
Mostly cloudy and much cooler with a slight (20%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of evening showers, then mostly cloudy with a slight (20%) chance of showers late Wednesday night.
free air freezing level 14,000 ft. tonight through Tuesday night, then snow level above 8,000 ft. Wednesday and Wednesday night.
lows 48-39 highs 77-59.
Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler Thursday afternoon, just partly cloudy late Thursday night,
Mostly sunny and warmer Friday, partly cloudy at night,
Partly cloudy and a bit warmer Saturday with a slight (20%) of showers Saturday, mostly 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.
snow level above 8,000 ft. Thursday, free air freezing level 14,000 ft. Thursday night through Saturday, then 13,000 ft. Saturday night and Sunday.
highs 58-69 cooling to 62 Sunday lows 40-43.

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: