Here is my weekly weather quiz question “What is a “Snow Advisory?”
____________
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 Saturday through Wednesday show a frontal system to our northwest Tuesday and moving through Tuesday night and Wednesday.
________________
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)
_______________
AFTERNOON
ADVISORIES:
- A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY THROUGH FRIDAY 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.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with showers likely (70%) tonight (0.25 in. of rain possible),
- 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 Friday 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 Friday night (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.
- lows 52-50 warming back to 52 Sunday night highs 70-82.
- 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)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: MODERATE (11)
Last Measured 8.19.24
Data courtesy of Oregon Allergy Associates.
________________
Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a good (0%) chance of early evening through late evening rain and a slight (20%) chance of thunderstorms, patchy fog with rain likely (70%) late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with patchy AM fog, showers and a (30%) chance of thunderstorms and a bit cooler Friday afternoon (0.25 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 Friday night (0.10 in of rain possible),
- 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.
- lows 53-56 highs 69-83.
- 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)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a good (50%) chance of early evening coastal rain and a slight (20%) chance of coastal thunderstorms continuing overnight while a good (50%) chance of tonight while a (30%) chance of inland showers tonight (under 0.10 in. of rain possible),
- Mostly cloudy with coastal showers and a bit cooler with (40%) chance of thunderstorms Friday (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 Friday afternoon, showers likely (70%) with a slight (20%) chance of evening thunderstorms, patchy coastal fog late at night while patchy inland fog late Friday night (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.
- lows 54-57 highs 64-67.
- 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)
__________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Cloudy with showers with a slight (20%) chance of thunderstorms tonight (0.75 in. of rain possible, more in storms),
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Friday 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 Friday night (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 above 8,000 ft. falling to 8,000 ft. late tonight, 6,500 ft. Friday, 7,000 ft. Friday night and Saturday, above 8,000 ft. Saturday night, 13,000 ft. Sunday, then 14,000 ft. Sunday night.
- lows 38-34 warming to 44 Sunday night highs 48-65.
- 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.
For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com