Tim Chuey Weather

September 18, 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 BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 5 PM MONDAY FOR KLAMATH AND LAKE COUNTIES.
AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 3 PM MONDAY FOR DESCHUTES 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 Low Pressure Trough (“U” shape) hovers off the Oregon/ California coastline keeping the chance of showers with us. The graphics for days 1-3 show a frontal system sliding through Oregon Monday and Tuesday. The graphics for days 3-7 Wednesday through Sunday show a frontal system hovering well to our north in Canada through next Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Partly cloudy with a (40%) chance of showers particularly this evening, partly cloudy late tonight,
Mostly sunny and a bit warmer with a slight (20%) chance of showers Monday afternoon, partly cloudy with a slight (20%) chance of Monday night (under 0.10 in. of rain possible),
Clouds and sun with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, partly cloudy with a good (50%) of showers at night,
A mix of clouds and sun and a bit cooler with a (40%) chance of showers Wednesday afternoon, partly cloudy with a (30%) chance of evening showers, then just partly cloudy late Wednesday night.
lows 52-55 cooling to 53 Tuesday night and Wednesday night highs 83-73.
Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer Thursday afternoon (Autumnal Equinox 6:03 pm), partly cloudy Thursday night,
Partly cloudy and a bit warmer Friday, partly cloudy at night,
Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
Then sunny and a bit warmer Sunday.
highs 75-80 lows near 49. (Seasonal Averages high 77 low 47)

Forecast for the Umpqua Valley including Roseburg:

Partly cloudy tonight,
Partly cloudy and a bit warmer with a slight (20%) chance of thunderstorms Monday, mostly cloudy with a (40%) chance of showers and a slight (20%) chance of evening thunderstorms, a (40%) chance of showers late Monday night (under 0.10 in. of rain possible),
Mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Tuesday afternoon, evening showers likely (70%) with a slight (20%) chance of thunderstorms, a good (50%) chance of showers with a slight (20%) chance of thunderstorms late at night,
Mostly cloudy with a (40%) chance of AM showers, a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Wednesday afternoon, then just mostly cloudy Wednesday night.
lows 52-56 cooling to 54 Wednesday night highs 82-69.
AM clouds, sunny and a bit warmer Thursday afternoon (Autumnal Equinox 6:03 pm), mostly clear Thursday night,
Mostly sunny and a bit warmer Friday, mostly clear at night,
Then mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night.
highs 75-83 lows 50-53. (Seasonal Averages high 80 low 52).

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

Partly cloudy with patchy fog and a slight (20%) chance of coastal showers late tonight while partly cloudy with a slight (20%) chance of inland showers late tonight,
Partly cloudy with areas of AM coastal fog, partly cloudy and a bit warmer with a slight (20%) chance of Monday afternoon, partly cloudy with a (40%) chance of evening showers, mostly cloudy with a (40%) chance of showers late Monday night (under 0.10 in. of rain possible),
Mostly cloudy with a (40%) chance of AM showers and a slight (20%) chance of thunderstorms and a (40%) coastal showers and a bit cooler in the afternoon while a (40%) chance of inland showers and a slight (20%) chance of thunderstorms Tuesday afternoon, mostly cloudy with a (40%) chance of coastal showers at night while a (40%) chance of inland showers and a slight (20%) chance of thunderstorms Tuesday night,
Mostly cloudy with a (40%) chance of AM showers, a (40%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers, then just mostly cloudy late at night.
lows 52-56 highs 77-68.
Partly cloudy and warmer Thursday (Autumnal Equinox 6:03 pm) and Friday, partly cloudy both nights,
Sunny Saturday, partly cloudy Saturday night,
AM sun, then partly cloudy and a bit warmer Sunday afternoon.
highs 70-75 lows near 53. (Seasonal Averages high 67 low 51)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Partly cloudy with areas of smoke and a slight (20%) chance of showers tonight,
Partly cloudy with areas of smoke and a bit warmer with a (40%) chance of Monday, partly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, area of smoke with a good (50%) chance of showers late Monday night.
Mostly cloudy with areas of smoke and a good (50%) chance of showers with a slight (20%) chance of thunderstorms and a bit cooler Tuesday afternoon and at night,
Mostly cloudy with areas of smoke and a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, a mix of clouds and sun and a bit cooler with areas of smoke and a showers likely (70%) Wednesday afternoon, mostly cloudy with areas of smoke and a good (50%) chance of evening showers, areas of smoke with a slight (20%) chance of showers late Wednesday night.
free air freezing level 10,000 ft. tonight, snow level above 8,000 ft. Monday afternoon, then above 8,000 ft. Monday night through Wednesday night.
lows 40-43 cooling to 39 Wednesday night highs 64-53.
Partly cloudy with areas of smoke and with a slight (20%) chance of showers, partly cloudy and a bit warmer with areas of smoke Thursday afternoon (Autumnal Equinox 6:03 pm) and at night,
Some AM clouds with areas of smoke, mostly sunny and a bit warmer Friday afternoon, partly cloudy with areas of smoke at night,
Then mostly sunny and a bit warmer with areas of smoke Saturday and Sunday, mostly clear with areas of smoke Saturday night,
snow level above 8,000 ft. Thursday, free air freezing level 13,000 ft. Thursday night through Friday night, 14,000 ft. Saturday and Saturday night, then 15,000 ft. Sunday.
highs 57-72 lows 38-44.

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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: