Tim Chuey Weather

August 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 RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE WESTERN HARNEY COUNTIES, THE UMPQUA NATIONAL FOREST, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY, AND THE SOUTHERN OREGON CASCADES.
AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM FRIDAY FOR THE EASTERN COLUMBIA GORGE OF OREGON.
A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM FRIDAY FOR WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE OCHOCO, THE JOHN DAY HIGHLANDS, THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, CENTRAL OREGON, THE GRANDE RONDE VALLEY, AND THE JOHN DAY BASIN.
A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY.
A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY BELOW 4,000 FT. FOR THE NORTHERN OREGON CASCADES, AND THE CASCADES IN LANE COUNTY.
A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
*HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM THURSDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.

HEALTH ADVISORIES

NOTE A CHANGE: 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.
A RECREATIONAL HEALTH ADVISORY FOR CRONE MILLER IN BENTON COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE HAS BEEN LIFTED. NOTE: OREGON HEALTH AUTHORITY ADVISES DOG OWNERS TO CONTINUALLY BE ALERT TO SIGNS OF CYANOBACTERIA BLOOMS, OR AREAS OF THE LAKE THAT LOOK SUSPICIOUS. 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) down in the Four Corners area of the West is strengthening bringing us some more heat. The graphics for days 1-3 show no frontal systems moving through or into Oregon. The graphics for days 3-7 Saturday through Wednesday show no frontal activity over the Pacific Northwest through next Wednesday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Partly cloudy this evening, mostly cloudy with a slight (20%) chance of showers late tonight,
A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
AM clouds and sun with a slight (20%) chance of showers, a mix of clouds and sun and cooler Friday afternoon, mostly clear at night,
Some AM clouds, mostly sunny and a bit warmer Saturday, then mostly clear Saturday night.
lows 64-55 highs 95-85 warming to 90 Saturday.
Partly cloudy and a bit warmer Sunday, partly cloudy Sunday night,
Partly cloudy and a bit cooler Monday, mostly clear at night,
Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
Then sunny and a bit warmer Wednesday.
highs 92-88 warming to 96 Wednesday lows 56-58. (Seasonal Averages high 84 low 51)

Forecast for the Umpqua Valley including Roseburg:

Mostly cloudy with a slight (20%) chance of evening thunderstorms, just partly cloudy late tonight,
Patchy AM fog, partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon and evening, just partly cloudy late Thursday night,
AM clouds, sunny and cooler Friday afternoon, mostly clear at night,
Mostly sunny and a bit warmer Saturday, then mostly clear Saturday night.
lows 68-60 Friday highs 95-85 warming to 90 Saturday.
Partly cloudy and a bit cooler Sunday, partly cloudy Sunday night,
Mostly sunny and a bit cooler Monday, mostly clear at night,
Then sunny and a bit warmer Tuesday and Wednesday, clear Tuesday night.
highs 90-87 warming to 94 Wednesday lows 59-62. (Seasonal Averages high 86 low 57).

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

Partly cloudy this evening, mostly cloudy with patchy fog and a slight (20%) chance of coastal drizzle late tonight,
Mostly cloudy with patchy AM fog and a slight (20%) chance of drizzle, partly cloudy Thursday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of showers and drizzle late Thursday night,
Partly cloudy with patchy fog and a slight (20%) chance of AM coastal showers and patchy drizzle while patchy AM fog with a slight (20%) chance of AM inland showers, mostly cloudy and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late at night,
Partly cloudy and a bit warmer Saturday, then partly cloudy Saturday night.
lows 60-57 highs 73-76.
Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
Partly cloudy and a bit warmer Monday afternoon, partly cloudy at night,
Sunny Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
Then sunny and a bit warmer Wednesday.
highs 75-78 lows near 58. (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy and hazy with a (30%) chance of showers and a slight (20%) chance of evening thunderstorms, hazy with a (30%) chance of showers late tonight,
Mostly cloudy and hazy with a (30%) chance of AM showers, hazy and a bit warmer with a (30%) chance of showers and a slight (20%) chance of thunderstorms Thursday afternoon, partly cloudy and hazy with a slight (20%) chance of evening showers and thunderstorms, partly cloudy and hazy with a slight (20%) chance of showers late Thursday night,
Partly cloudy and hazy with a slight (20%) chance of AM showers, becoming mostly sunny and a bit cooler Friday afternoon, mostly clear at night,
Mostly sunny and a bit warmer Saturday, then mostly clear Saturday night.
snow level above 8,000 ft. tonight through Thursday night, free air freezing level 15,000 ft. Friday afternoon through Saturday, then 16,000 ft. Saturday night.
lows 62-50 warming to 52 Saturday night highs 83-77 warming to 80 Saturday.
Partly cloudy Sunday and Sunday night,
Mostly sunny and a bit cooler Monday, mostly clear at night,
Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
Then sunny and a bit warmer Wednesday.
free air freezing level 15,000 ft. Sunday, 14,000 ft. Sunday night and Monday, 16,000 ft. Monday night, 15,000 ft. Tuesday and Tuesday night, then 16,000 ft. Wednesday.
highs 80-75 warming to 85 Wednesday lows 49-52.

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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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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.

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:

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