Aug
22.
Here is my weekly weather quiz question “What is a “Snow Advisory?”
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An Upper Level Low Pressure Trough rotating offshore keeps the chance of rain around. The graphics for days 1-3 show a frontal system sliding into Oregon Saturday. The graphics for days 3-7 Monday through Friday show a frontal system to our northwest Tuesday and moving through Tuesday night and Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 27 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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AFTERNOON
ADVISORIES:
- A FIRE WEATHER WATCH IS IN EFFECT THROUGH THIS EVENING FOR GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE BURNS BLM AND THE VALE BLM.
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 cloudy with AM showers likely (70%) and a slight (20%) chance of thunderstorms, a bit cooler with showers and a (30%) chance of thunderstorms this afternoon (under 0.10 in. of rain possible, more in storms), mostly cloudy with a slight (20%) chance of evening thunderstorms, showers and a slight (20%) chance of evening thunderstorms, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible more in storms),
- A mix of clouds and sun with a slight (20%) chance of showers and a bit warmer Saturday, partly cloudy in the evening, mostly clear at night,
- Sunny and a bit warmer Sunday, then mostly clear Sunday night.
- highs 70-81 lows 52-50 warming back to 52 Sunday night.
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy in the evening, mostly clear late at night,
- Sunny and a bit cooler Wednesday, mostly clear Wednesday night,
- Then sunny and a bit warmer Thursday.
- highs 86-82 warming to 89 Thursday lows 54-49. (seasonal averages high 83 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: MODERATE (11)
Last Measured 8.19.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with patchy AM fog, showers and a (30%) chance of thunderstorms and a bit cooler this afternoon (0.10 in. of rain possible), mostly cloudy with evening showers likely (70%) and a slight (20%) chance of thunderstorms, patchy fog with a slight (20%) chance of rain late tonight (0.10 in of rain possible, more in storms),
- Patchy AM fog, partly cloudy and warmer with a slight (20%) chance of rain Saturday afternoon, partly cloudy in the evening, mostly clear with patchy fog late at night,
- Patchy AM fog, sunny and warmer Sunday afternoon, then mostly clear Sunday night.
- highs 69-83 lows 53-56.
- Patchy AM fog, sunny and a bit warmer Monday afternoon, mostly clear Monday night,
- AM sun, partly cloudy and a bit cooler Tuesday, mostly clear at night,
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then sunny and a bit warmer Thursday.
- highs 89-83 warming to 92 Thursday lows 57-54 warming to 56 Thursday. (seasonal averages high 85 low 56)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with coastal showers and a bit cooler with (40%) chance of thunderstorms today (0.25 in. of rain possible) while patchy AM inland fog and showers with a slight (20%) chance of thunderstorms and inland showers likely (70%) and a bit warmer this afternoon (0.10 in. of rain possible), showers likely (70%) with a slight (20%) chance of evening thunderstorms, patchy coastal fog late tonight while patchy inland fog late tonight (under 0.10 in. of rain possible),
- Patchy AM fog, partly cloudy and a bit warmer with a slight (20%) chance of rain Saturday, partly cloudy in the evening showers, mostly clear with patchy fog late at night,
- Patchy AM fog, mostly sunny and a bit warmer Sunday afternoon, then mostly clear with patchy fog Sunday night.
- highs 64-67 lows 53-57.
- Patchy AM fog, mostly sunny and a bit warmer Monday, partly cloudy with patchy fog Monday night,
- Patchy AM fog, partly cloudy and a bit cooler Tuesday afternoon, mostly clear at night,
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then mostly sunny and a bit warmer Thursday.
- highs 58-55 lows 58-56 warming to 57 Wednesday night. (seasonal average high 67 low 53)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms this afternoon 0.25 in. of rain possible, more in storms), evening showers likely (70%) and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late tonight (0.10 in. of rain possible, more in storms),
- Mostly cloudy and a bit warmer with a (40%) chance of showers Saturday, a slight (20%) chance of evening mostly cloudy with a (30%) chance of showers at night,
- Sunny and warmer Sunday, mostly clear in the evening, then partly cloudy Sunday night.
- snow level 6,500 ft. today, 7,000 ft. tonight and Saturday, above 8,000 ft. Saturday night, 13,000 ft. Sunday, then 14,000 ft. Sunday night.
- highs 48-65 lows 34-44 Sunday night warming to 47 Sunday night.
- Sunny and cooler Monday, mostly clear in the evening, partly cloudy late Monday night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Then sunny and a bit warmer Thursday.
- free air freezing level 14,000 ft. Monday, 15,000 ft. through Tuesday night, 15,000 ft. Wednesday, then 16,000 ft. Wednesday night and Thursday.
- highs 74-68 warming to 77 Thursday lows 47-39 warming to 44 Wednesday night.
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