Aug
18.
Here is my new weekly weather quiz question “What is a “Snow Advisory?”
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An Upper Level Low Pressure Trough keeps the chance of rain around.The graphics for days 1-3 show the frontal system that moved into Northern California and then through Oregon. The graphics for days 3-7 Thursday through Monday show a frontal system pushing through the Pacific Northwest Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 31 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 25 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 5 PM TODAY DUE TO WILDFIRE SMOKE FOR DESCHUTES COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON TODAY DUE TO WILDFIRE SMOKE FOR KLAMATH AND LAKE 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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly sunny and a bit warmer today, partly cloudy tonight,
- Mostly sunny Tuesday, partly cloudy at night,
- Mostly sunny and a bit cooler Wednesday, mostly cloudy with good (50%) chance of showers Wednesday night.
- highs 82-80 lows 52-55.
- Mostly cloudy and a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Thursday and Thursday night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday, mostly cloudy with a (40%) chance of showers at night,
- A mix of clouds and sun and as bit warmer with a (30%) chance of showers Saturday, mostly cloudy with a slight (20%) chance of showers Saturday night,
- Then mostly sunny and a bit warmer Sunday.
- highs 72-82 lows 52-55. (seasonal averages high 84 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: LOW (2)
Last Measured 8.14.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy start, partly cloudy and a bit warmer this afternoon, mostly clear tonight,
- Partly cloudy and a bit warmer Tuesday, mostly clear with patchy fog at night,
- Some AM clouds with patchy fog, sunny and a bit cooler Wednesday afternoon, partly cloudy with a (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night.
- highs 82-84 cooling back to 82 Wednesday lows 56-58.
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and cooler Thursday afternoon, a good (50%) of evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late Thursday night,
- Patchy AM fog, mostly cloudy and a bit warmer with a (40%) chance of showers Friday, a (30%) chance of showers at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Saturday and in the evening, partly cloudy late Saturday night,
- Then partly cloudy and a bit warmer Sunday.
- highs 82-84 lows 54-57. (seasonal averages high 86 low 57)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend
- Mostly cloudy start with patchy fog, partly cloudy and a bit cooler this afternoon, mostly clear this evening, partly cloudy late tonight,
- Partly cloudy with patchy AM coastal fog, partly cloudy Tuesday afternoon, partly cloudy with patchy fog late Tuesday night,
- Mostly cloudy with patchy AM fog, sunny and a bit Wednesday afternoon, mostly cloudy with a (30%) chance of rain at night, patchy fog late,
- Mostly cloudy with patchy AM fog, showers likely (70%) and a bit cooler Thursday, mostly cloudy with a (50%) chance of rain showers Thursday night, patchy fog late.
- highs 69-67 lows 55-59.
- Mostly cloudy with a good (50%) chance of showers Friday, a (30%) chance of showers Friday night,
- Mostly cloudy and a bit warmer with a (30%) chance of showers Saturday, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Saturday night,
- Then partly cloudy and a bit cooler Sunday.
- highs 65-69 lows 54-59. (seasonal average high 67 low 54)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- A mix of clouds and sun and a bit warmer today, partly cloudy tonight,
- Mostly sunny with a slight (20%) chance of showers Tuesday afternoon, partly cloudy with a slight (20%) chance of showers at night,
- Mostly sunny and a bit cooler Wednesday, partly cloudy with a good (50%) chance of evening showers, then mostly cloudy with a good (50%) of showers late Wednesday night.
- free air freezing level 12,000 ft. today and tonight, snow level above 8,000 ft. Tuesday and Tuesday night, free air freezing level 12,000 ft. Wednesday, then snow level above 8,000 ft. Wednesday night.
- highs 65-63 lows near 43 .
- Mostly cloudy and cooler with showers likely (70%) with a slight (20%) chance of thunderstorms Thursday, cloudy with showers likely (70%) and a slight (20%) chance of thunderstorms Thursday night,
- Mostly cloudy with a good (50%) chance of AM showers, partly cloudy with a good (50%) chance of showers Friday afternoon, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy with a (30%) chance of AM showers, partly cloudy and a bit warmer with a (30%) chance of showers Saturday afternoon, mostly cloudy with a slight (20%) chance of showers Saturday night,
- Then mostly sunny and warmer Sunday.
- snow level above 8,000 ft. Thursday, 8,000 ft. Thursday night, 7,500 ft. Friday, above 8,000 ft. Friday night through Saturday night, then free air freezing level 12,000 ft. Sunday.
- highs 53-65 lows 39-42.
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