Tim Chuey Weather

September 17, 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.
A FROST ADVISORY IS IN EFFECT FROM 3 AM UNTIL 8 AM TODAY FOR THE KLAMATH BASIN.

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 a frontal system that slid through Oregon Friday. The graphics for days 3-7 Tuesday through Saturday show a frontal system moving through northern California Tuesday and Wednesday. A cold front will be approaching from the northwest next Friday and Saturday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Cloudy with a good (50%) chance of evening showers, showers likely (70%) late tonight (0.10 in. of rain possible),
Patchy AM fog, a mix of clouds and sun a bit warmer with a slight (20%) of showers Sunday, just partly cloudy Sunday night,
Mostly sunny and a bit warmer Monday, partly cloudy with a (40%) chance of evening showers, mostly cloudy with a (40%) chance of showers late at night (under 0.10 in. of rain possible),
A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday, then partly cloudy with patchy fog and good (50%) of showers Tuesday night.
lows 54-52 warming to 55 Monday night cooling to 53 Tuesday night highs 73-82 cooling to 75 Tuesday.
Patchy AM fog, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Wednesday, mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Wednesday night,
A mix of clouds and sun with a slight (20%) chance of showers and a bit warmer Thursday (Autumnal Equinox 6:03 pm), partly cloudy with patchy fog late at night,
Patchy AM fog, partly cloudy and a bit warmer Friday, partly cloudy Friday night,
Then mostly sunny and a bit warmer Saturday.
highs 72-79 lows 54-49. (Seasonal Averages high 78 low 48)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with evening showers likely (70%) and a (40%) chance of thunderstorms, showers likely (70%) late tonight (under 0.10 in. of rain possible),
Mostly cloudy with a (30%) chance of showers and a bit warmer Sunday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Sunday night,
Partly cloudy and a bit warmer with a (30%) chance of showers Monday, a (40%) chance of showers at night (under 0.10 in. of rain possible),
Patchy AM fog, mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Tuesday afternoon and evening, then patchy fog with a good (50%) chance of showers Tuesday night.
lows 53-57 highs 72-79 cooling to 74 Tuesday.
Patchy AM fog and late night fog, mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Wednesday afternoon, a (30%) chance of showers Wednesday night,
Patchy AM fog, partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday afternoon (Autumnal Equinox 6:03 pm), mostly clear in the evening, partly cloudy late at night,
Patchy AM fog, partly cloudy and a bit warmer Friday, partly cloudy Friday night,
Then sunny and a bit warmer Saturday.
highs 72-82 lows 55-52. (Seasonal Averages high 80 low 52).

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

Cloudy with patchy fog and a good (50%) chance of coastal showers tonight while a good (50%) chance of evening inland showers and patchy fog with inland showers likely (70%) late tonight (under 0.10 in. of rain possible),
Mostly cloudy and a bit warmer with a (30%) chance of showers Sunday, just partly cloudy Sunday night,
AM coastal sun and partly cloudy a bit warmer with a slight (20%) chance of coastal showers Monday afternoon while AM sun and partly cloudy and a bit warmer with a slight (20%) chance of inland showers in the afternoon, mostly cloudy with patchy fog and a (40%) chance of showers at night (under 0.10 in. of rain possible),
Patchy AM fog, mostly cloudy Tuesday afternoon, then mostly cloudy with patchy fog with a (40%) chance of showers Tuesday night.
lows 53-55 highs 67-73.
Patchy AM fog, mostly cloudy with a (40%) chance of showers and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers, mostly cloudy with patchy fog late Wednesday night,
Patchy AM and late night fog, partly cloudy and warmer Thursday (Autumnal Equinox 6:03 pm), partly cloudy at night,
Partly cloudy and a bit warmer Friday, partly cloudy Friday night,
Then sunny Saturday.
highs 72-75 lows near 54. (Seasonal Averages high 67 low 51)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Hazy with evening smoke showers and a slight (20%) of thunderstorms, showers late tonight changing to a lesser chance of showers (0.25 in. of rain possible, more in storms),
Mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday, mostly cloudy in the evening, partly cloudy late Sunday night,
Partly cloudy and a bit warmer with a slight (20%) chance of Monday afternoon, mostly cloudy with a good (50%) chance of showers at night.
Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Tuesday afternoon, showers likely (70%) with a slight (20%) chance of evening thunderstorms, then a good (50%) chance of showers late Tuesday night.
snow level above 8,000 ft. tonight and Sunday afternoon, free air freezing level 10,000 ft. Sunday night, snow level above 8,000 ft. Monday afternoon, then above 8,000 ft. Monday night through Tuesday night.
lows 37-40 highs 56-65 cooling to 60 Tuesday.
Clouds and sun with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon, mostly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late Wednesday night,
Clouds and sun with a (30%) chance of AM showers, a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday afternoon (Autumnal Equinox 6:03 pm), just partly cloudy at night,
Partly cloudy and a bit warmer Friday, partly cloudy Friday night,
Then mostly sunny and a bit warmer Saturday.
snow level above 8,000 ft. Wednesday through Thursday, free air freezing level 12,000 ft. Thursday night and Friday, 13,000 ft. Friday night, then 15,000 ft. Saturday.
highs 56-68 lows near 42.

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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: