Here is my new weekly weather quiz question. “What is “Smog?”
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An Upper Level High Pressure Ridge (“Arch” shape) still controls weather in the Pacific Northwest. The graphics for days 1-3 show no frontal systems moving into our area. The graphics for days 3-7 Thursday through Monday show no frontal systems moving through the Pacific Northwest through the period.
ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL FURTHER NOTICE FOR ALL OF LANE COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 2 PM WEDNESDAY FOR DOUGLAS AND KLAMATH COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL FURTHER NOTICE FOR WILDFIRE SMOKE FOR DESCHUTES AND GRANT COUNTIES.
- AN AIR QUALITY ADVISORY FOR WILDFIRE SMOKE IS IN EFFECT UNTIL 5 PM WEDNESDAY FOR GRANT AND WHEELER COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY DUE TO WILDFIRE SMOKE FOR WILDFIRE SMOKE FOR HARNEY AND MALHEUR COUNTIES.
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly clear tonight,
- Sunny and a bit cooler Tuesday, clear Tuesday night,
- Sunny and a bit warmer Wednesday, partly cloudy at night,
- Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
- lows 53-58 highs 87-93.
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly clear at night,
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then mostly sunny and a bit cooler Monday.
- highs 90-89 warming to 93 Sunday cooling to 88 Monday lows near 56. (seasonal averages high 86 low 52)
Forecast for the Umpqua Valley including Roseburg:
- Mostly clear and hazy late tonight,
- Some AM clouds and haze, sunny and a bit cooler Tuesday afternoon, clear Tuesday night, hazy late tonight,
- AM sun, partly cloudy and a bit warmer Wednesday afternoon, mostly clear at night,
- Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
- lows 57-62 highs 90-95.
- Mostly sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit warmer Saturday, mostly clear at night,
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
- Some AM clouds, then sunny and a bit cooler Monday afternoon.
- highs 89-92 cooling to 86 Monday lows 62-60 warming back to 62 Sunday night. (seasonal averages high 87 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Clear this evening, mostly cloudy with patchy fog late tonight,
- AM clouds with patchy fog, sunny Tuesday afternoon, mostly clear in the evening, mostly cloudy with patchy coastal fog late at night while areas of inland fog late Tuesday night,
- Some AM clouds with patchy AM coastal fog while areas of AM inland fog, partly cloudy Wednesday afternoon, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, sunny Thursday afternoon, then mostly cloudy Thursday night.
- lows 56-53 warming to 57 Thursday night highs near 68.
- Mostly cloudy Friday and Friday night,
- Mostly cloudy Saturday, mostly cloudy at night,
- AM clouds, sunny and a bit warmer Sunday afternoon, mostly cloudy Sunday night,
- Then mostly cloudy and a bit cooler Monday.
- highs 68 warming t0 70 Sunday cooling to 68 Monday lows near 57. (seasonal average high 67 low 54)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear and hazy tonight,
- Sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, partly cloudy in the evening, mostly cloudy late at night,
- Mostly sunny and a bit cooler Thursday, partly cloudy in the evening, partly cloudy in the evening, clear late Thursday night.
- free air freezing level 15,000 ft. tonight and Tuesday, 16,000 ft. Tuesday night through Wednesday night, then 15,000 ft. Thursday and Thursday night.
- lows 50-54 cooling to 52 Thursday night highs 75-80 cooling to 78 Thursday.
- Sunny and a bit cooler Friday and Saturday, mostly clear both nights,
- Sunny Sunday, mostly clear Sunday night,
- Then sunny and a bit cooler Monday.
- free air freezing level 15,000 ft. Friday and Friday night, then 14,000 ft. Saturday through Monday.
- highs 78-75 lows 52-49.