Tim Chuey Weather

August 31, 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 HEAT ADVISORY IS IN EFFECT FROM 11 AM UNTIL 8 PM TODAY FOR THE LOWER COLUMBIA BASIN OF OREGON.
A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM FRIDAY NIGHT FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM THURSDAY FOR CURRY COUNTY, JACKSON COUNTY, AND JOSEPHINE COUNTY DUE TO SMOKE FROM THE RUM 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

The Upper Level High Pressure Ridge (“Arch” shape) will allow some marine air to move into the Pacific Northwest for some cooling. The graphics for days 1-3 show no frontal activity through the period. The graphics for days 3-7 Friday through Tuesday show more active weather patterns over the Pacific Northwest. A cold front will push through Oregon Saturday and Sunday. Another cold front will be to our northwest Monday sliding through Oregon Tuesday and next Wednesday.

Forecast for the South Willamette Valley including Eugene-Springfield:

Sunny and hazy and a bit cooler today, clear tonight,
Mostly sunny and a bit warmer Thursday, clear at night,
Mostly sunny and a bit cooler Friday, then partly cloudy Friday night.
highs 92-93 cooling to 89 Thursday lows 54-56.
Some AM clouds, sunny and a bit cooler Saturday afternoon, clear Saturday night,
Mostly sunny Sunday, mostly clear at night,
Mostly sunny Monday, clear Monday night,
Then mostly sunny Tuesday.
highs near 88 lows 55-53. (Seasonal Averages high 82 low 50)

Forecast for the Umpqua Valley including Roseburg:

Sunny and hazy and a bit cooler today, clear and hazy tonight,
Sunny and a bit warmer Thursday, mostly clear at night,
Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
highs 94-96 cooling to 90 Friday lows near 60.
Mostly sunny and a bit cooler Saturday and Sunday, clear both nights,
Mostly sunny and a bit cooler Monday (Labor Day), clear Monday night,
Then mostly sunny and a bit warmer Tuesday.
highs 88-90 lows near 58. (Seasonal Averages high 84 low 55).

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

Partly cloudy with patchy AM fog and and inland haze, becoming sunny with inland haze and a bit warmer this afternoon, partly cloudy and hazy this evening, mostly cloudy with patchy coastal fog late and while mostly cloudy with inland haze late tonight,
Some AM clouds with patchy fog, sunny Thursday afternoon, partly cloudy in the evening, mostly cloudy late Thursday night,
Patchy AM fog, partly cloudy Friday, then mostly cloudy Friday night.
highs near 75 lows 57-59.
Sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy Saturday night,
Sunny and a bit cooler Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
Sunny and a bit warmer Monday (Labor Day), partly cloudy Monday night,
Then sunny Tuesday.
highs 77-75 warming back to 77 Monday and Tuesday lows near 59. (Seasonal Averages high 68 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

Sunny and hazy with with areas of smoke and a bit cooler today, clear and hazy with patchy smoke tonight,
Sunny and hazy with areas of smoke and a bit warmer Thursday, clear and hazy with areas of smoke at night,
Sunny and hazy with areas of smoke and a bit warmer Friday, then mostly clear and hazy with areas of smoke Friday night.
freezing level 15,000 ft. today, 15,000 ft. rising to 16,000 ft. late tonight, above 16,000 ft. Thursday and Thursday night, then 16,000 ft. Friday and Friday night.
highs 82-86 lows 54-49.
Mostly sunny and hazy with areas of smoke and a bit cooler Saturday, mostly clear and hazy with areas of smoke Saturday night,
Sunny and hazy with areas of smoke and a bit cooler Sunday, mostly clear and hazy with areas of smoke at night,
Mostly sunny and hazy with areas smoke Monday (Labor Day), mostly clear Monday night,
Then mostly sunny and a bit warmer Tuesday.
free air freezing level above 16,000 ft. Saturday through Tuesday.
highs near 80-78 warming to 82 Tuesday lows 52-49 warming back to 52 Monday night.

_____

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 actual weather will conform to the projected forecast.

_____

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: