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 Friday through Tuesday show no frontal systems moving through the Pacific Northwest until a cold front is shown to our northwest next Tuesday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE WALLOWA DISTRICT.
- AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL FURTHER NOTICE FOR ALL OF LANE COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL WEDNESDAY AFTERNOON DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 2 PM WEDNESDAY FOR DOUGLAS AND KLAMATH 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 warmer Wednesday, partly cloudy with evening haze, just partly cloudy late Wednesday night,
- Mostly sunny and a bit warmer Thursday, partly cloudy in the evening, mostly clear at night,
- Mostly sunny and a bit cooler Friday, mostly clear in the evening, then partly cloudy late Friday night.
- lows 52-59 cooling 57 Friday night highs 92-94 cooling to 89 Friday.
- AM clouds and sun, sunny and a bit cooler Saturday afternoon, mostly clear Saturday night
- Mostly sunny and a bit cooler Sunday and Monday, mostly clear both nights,
- Then mostly sunny and a bit warmer Tuesday.
- highs 88-85 warming to 87 Tuesday lows 57-54. (seasonal averages high 86 low 52)
Forecast for the Umpqua Valley including Roseburg:
- Mostly clear and hazy tonight, patchy smoke late tonight,
- Partly cloudy and hazy with patchy AM smoke, partly and hazy and a bit warmer Wednesday afternoon, partly cloudy and hazy at night with patchy smoke late Wednesday night,
- Some AM clouds, sunny and a bit cooler Thursday, mostly clear at night,
- Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
- lows 58-62 cooling to 60 Thursday night warming to 62 Friday night highs 93-90.
- Some AM clouds, sunny and a bit cooler Saturday afternoon, mostly clear Saturday night,
- Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
- Some AM clouds, then sunny Tuesday afternoon.
- highs 89-87 lows near 60. (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, partly cloudy late tonight,
- Partly cloudy start, mostly cloudy and a bit cooler Wednesday afternoon, mostly cloudy and hazy late Wednesday night,
- Mostly cloudy with patchy AM inland fog, partly cloudy and a bit warmer Thursday afternoon and evening, mostly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of AM drizzle, partly cloudy and a bit cooler Friday afternoon and evening, then mostly cloudy late Friday night.
- lows 54-60 highs 67-69 cooling to 66 Friday.
- Mostly cloudy with patchy AM fog, sunny and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy Saturday night,
- AM clouds, sunny and a bit warmer Sunday afternoon, partly cloudy in the evening, mostly cloudy at night,
- Partly cloudy and a bit cooler and a bit warmer Monday, partly cloudy Monday night,
- AM clouds with patchy fog, then sunny Tuesday afternoon.
- highs 66-68 lows 59-57. (seasonal average high 67 low 54)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear with areas of smoke tonight, hazy late tonight,
- Sunny and hazy and a bit warmer Wednesday, mostly cloudy and hazy Wednesday night,
- AM haze, mostly sunny and a bit cooler Thursday, partly cloudy in the evening, clear late at night,
- Sunny and a bit cooler Friday, then mostly clear Friday night.
- free air freezing level 16,000 ft. tonight through Wednesday night, then 15,000 ft. Thursday and Thursday night, then 14,000 ft. Friday and Friday night.
- lows 47-56 cooling to 49 Friday night highs 82-77.
- Sunny and a bit cooler Saturday and Sunday, mostly clear both nights,
- Sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late Monday night,
- Then mostly sunny and a bit cooler Tuesday.
- free air freezing level 14,000 ft. Saturday through Tuesday.
- highs 74-69 lows near 47.