Tim Chuey Weather

August 1, 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 EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE LOWER COLUMBIA BASIN OF OREGON.
A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS UNTIL 11 PM TUESDAY FOR THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, THE SOUTHERN OREGON CASCADES,THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES, AND THE UMPQUA NATIONAL FOREST.
A RED FLAG WARNING IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY UNTIL 9 PM TUESDAY FOR THE LOWER COLUMBIA BASIN OF OREGON.
A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT, THE CENTRAL MOUNTAINS OF OREGON, THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS, AND THE CENTRAL BLUE MOUNTAINS.
AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR THE OREGON LOWER TREASURE VALLEY.
A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR HARNEY AND BAKER COUNTIES.
AN AIR QUALITY ALERT IS IN EFFECT THROUGH FRIDAY FOR JACKSON COUNTY AND KLAMATH COUNTIES.

THE PUBLIC HEALTH ADVISORY ISSUED FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT D RIVER BEACH IN LINCOLN COUNTY HAS BEEN LIFTED.
A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR AREAS AROUND EAGLE RIDGE COUNTY PARK IN UPPER KLAMATH LAKE IN KLAMATH COUNTY 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 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

The Upper Level High Pressure Ridge (“Arch” shape) bubbling up from the southwest will be sparing with Upper Level Low Pressure and that will slowly change our weather toward cooler temperatures. The graphics for days 1-3 show a slow moving frontal system moving into Oregon. Another front will be approaching Wednesday. The graphics for days 3-7 Thursday through Monday show a frontal system pushing into the Pacific Northwest through Friday, yet another front will be to our northwest next Monday.
Note: if you are wondering where the haze is coming from you can blame wildfires in northern California and Southwestern Oregon.

Forecast for the South Willamette Valley including Eugene-Springfield:

Partly cloudy and hazy tonight,
Some AM clouds, mostly sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
Mostly sunny Wednesday, partly cloudy at night,
Partly cloudy and a bit cooler Thursday, then partly cloudy Thursday night.
lows 59-56 highs 92-85.
Mostly sunny and a bit warmer Friday and Saturday, mostly clear both nights,
Mostly sunny and a bit cooler Sunday, partly cloudy Sunday night,
Some AM clouds, then mostly sunny and a bit cooler Monday.
highs 89-95 cooling to 92 Monday lows 57-62 cooling to 60 Sunday night. (Seasonal Averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

Patchy evening smoke, mostly cloudy and hazy with a slight (20%) chance of isolated thunderstorms tonight,
Partly cloudy and hazy with patchy smoke and slight (20%) chance of isolated thunderstorms Tuesday afternoon, hazy with isolated evening thunderstorms, just mostly clear Tuesday night,
Sunny Wednesday, partly cloudy at night,
Partly cloudy and a bit cooler Thursday, then mostly clear Thursday night.
lows 65-58 warming to 60 Thursday night highs 92-86.
Mostly sunny and a bit warmer Friday and Saturday, mostly clear both nights,
Mostly sunny Sunday, mostly clear Sunday night,
AM sun, then partly cloudy and a bit cooler Monday afternoon.
highs 87-93 cooling to 88 Monday lows 60-63 cooling back to 60 Sunday night. (Seasonal Averages high 88 low 58).

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

Mostly cloudy and hazy tonight with isolated evening inland thunderstorms,
Partly cloudy and hazy with patchy AM fog, sunny and a bit warmer Tuesday afternoon, evening haze, mostly clear late Tuesday night,
Patchy AM inland fog otherwise partly cloudy and a bit cooler Wednesday afternoon and evening, mostly cloudy late at night,
Then partly cloudy and a bit warmer Thursday and Thursday night.
lows 58-55 highs 75-72 warming to 74 Thursday.
Mostly sunny a bit warmer Friday, mostly clear Friday night,
Mostly sunny and a bit warmer Saturday, mostly clear at night,
Some AM clouds, sunny and a bit cooler Sunday afternoon, partly cloudy Sunday night,
Patchy AM fog, then partly cloudy Monday afternoon.
highs 74-76 cooling to 73 Saturday night and Sunday night lows near 55. (Seasonal Averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Mostly cloudy and hazy with a slight (20%) chance of evening showers and thunderstorms, just mostly cloudy and hazy late tonight,
Partly cloudy with a slight (20%) chance of early afternoon showers Tuesday, a slight (20%) chance of late afternoon showers and thunderstorm and a bit cooler, becoming mostly clear Tuesday night,
Mostly sunny and a bit warmer Wednesday, partly cloudy at night,
Then partly cloudy and a bit cooler Thursday and Thursday night.
free air freezing level 15,000 ft. late tonight, snow level above 8,000 ft. Tuesday afternoon, then free air freezing level 15,000 ft. Tuesday night through Thursday night.
lows 54-52 highs 79-82 cooling to 77 Thursday.
Partly cloudy and a bit warmer Friday, mostly clear Friday night,
Mostly sunny and a bit warmer Saturday, mostly clear at night,
Mostly sunny and a bit warmer Sunday, partly cloudy Sunday night,
AM sun, then partly cloudy and a bit cooler with a slight (20%) chance of showers Monday afternoon.
free air freezing level 15,000 ft. Friday and Friday night, 15,000 ft. rising to 16,000 ft. Saturday afternoon, 16,000 ft. Saturday night, 16,000 ft. falling to 15,000 ft. Sunday afternoon and late Sunday night, free air freezing level 15,000 ft. Saturday morning, then snow level above 8,000 ft. Monday afternoon.
highs 80-85 cooling to 83 Monday lows 53-56.

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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

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: