Apr
02.
Here is my weekly weather quiz question. “What is a “Radiosonde?”
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An Upper Level High Pressure Ridge (“Arch” shape) still hung on for one more day today. The graphics for days 1-3 show a frontal systems moving through the Pacific Northwest tonight. The graphics for days 3-7 Friday through Tuesday show a parade of frontal system moving into and through the Pacific Northwest through the period.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 10 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 6 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- NONE AT THIS TIME.
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 a good (50%) chance of showers and colder this afternoon (0.25 in. of rain possible), a good (50%) chance of showers tonight with a slight (20%) chance of snow showers late tonight (0.10 in. of rain possible, snow level 1,500 ft.),
- Mostly cloudy with a good (50%) chance of AM showers (AM snow level 1,000 ft.), showers likely (70%) and a bit cooler Thursday afternoon (under 0.10 in. of rain possible), mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late at night (under 0.10 in. of rain possible),
- Mostly cloudy and a bit warmer with a good (50%) chance of AM showers, a mix of clouds and sun with a good (50%) chance of showers Friday afternoon, then mostly cloudy with a good (50%) chance of showers Friday night.
- highs 52-49 warming to 53 Friday lows 34-39.
- Mostly cloudy with rain likely (70%) Saturday, a good (50%) chance of rain Saturday night,
- Mostly cloudy with a good (50%) chance of AM rain, partly cloudy and a bit warmer with a good (50%) chance of rain Sunday afternoon, partly cloudy with a slight (20%) chance of showers at night,
- A mix of clouds and sun and a bit warmer Monday, partly cloudy with a slight (20%) chance of showers , mostly cloudy with a (40%) chance of showers Monday night,
- Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Tuesday.
- highs 52-62 lows 40-38 warming back to 40 Tuesday. (seasonal averages high 59 low 39)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: VERY HIGH (392)
WEEDS: ABSENT (0)
Measured 4.2.24
Data courtesy of Oregon Allergy Associates.
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Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Forecast for the Umpqua Valley including Roseburg:
- Cloudy with AM rain, colder with a good (50%) chance of rain and snow this afternoon (0.10 in. of rain possible, snow level 2,500 ft. this afternoon), evening rain and snow likely (70%), a good (50%) chance of rain and snow late tonight (under 0.10 in. of rain possible, snow level 2,000 ft. falling to 1,500 ft.),
- Mostly cloudy with patchy AM fog and a good (50%) chance of rain and snow showers, showers and snow showers likely (70%) with a slight (20%) chance of thunderstorms Thursday afternoon (under 0.10 in. of rain possible, snow level 1,000 ft. rising to 1,500 ft.), a (40%) chance of evening rain showers and snow showers with a slight (20%) chance of thunderstorms, a slight (20%) chance of rain and snow showers at night (under 0.10 in. of rain possible, snow level 2,000 ft.),
- Mostly cloudy with a good (50%) chance of AM rain and snow, a bit warmer with a good (50%) chance of rain Friday afternoon, then a good (50%) chance of rain and snow Friday night.
- highs 49-52 lows 37-39.
- Mostly cloudy with a good (50%) chance of AM rain and snow, rain likely (70%) Saturday afternoon, evening rain, a good (50%) chance of rain and snow late Saturday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a good (50%) chance of rain and a bit warmer Sunday afternoon, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
- Mostly cloudy start, partly cloudy and a bit warmer Monday afternoon, partly cloudy with a slight (20%) chance of rain Monday night,
- Then partly cloudy and a bit warmer with slight (20%) chance of rain Tuesday.
- highs 52-64 lows near 39. (seasonal averages high 61 low 41)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Cloudy with a (30%) chance of coastal rain and cooler today while inland AM rain and inland rain likely (70%) and a bit cooler this afternoon (under 0.10 in. of rain possible), a good (50%) chance of evening coastal rain and coastal showers likely (70%) with a slight (20%) chance of thunderstorms late tonight while inland evening snow likely (70%) with inland rain and snow showers likely (70%) late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with patchy fog and a good (50%) chance of AM coastal AM showers while a good (50%) chance of inland AM patchy fog and rain and snow showers, showers likely (70%) with a slight (20%) chance of thunderstorms Thursday afternoon (under 0.10 in. of rain possible), a good (50%) chance of showers with a slight (20%) chance of thunderstorms at night (under 0.10 in. of rain possible),
- Mostly cloudy with a (40%) chance of AM rain and snow, a (40%) chance of rain and a bit warmer Friday afternoon, then a (0%) chance of rain Friday night .
- highs 50-53 lows 36-42.
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) Saturday afternoon, evening rain, rain likely (70%) Saturday night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Sunday, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
- Mostly cloudy start, partly cloudy and a bit warmer Monday afternoon and evening,mostly cloudy with a slight (20%) chance of rain late Monday night,
- Partly cloudy and a bit warmer with a slight (20%) chance of AM rain, then just partly cloudy Tuesday afternoon.
- highs 53-60 lows 42-40 warming back to 42 Monday night. (seasonal average high 56 low 43)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with AM snow and rain showers, a good (50%) chance of snow and rain showers and colder this afternoon (0.25 in. of rain possible, little or no snow accumulation expected), evening showers, snow showers late tonight (0.25 in. of rain possible, 1-3 in. of snow possible),
- Mostly cloudy with AM snow showers, snow and rain showers and a bit cooler Thursday afternoon, evening snow and rain showers likely (70%), a good (50%) chance of snow showers late at night,
- Mostly cloudy and a bit warmer with snow and rain showers likely (70%) Friday, then snow and rain showers likely (70%) Friday night.
- snow level 3,500 ft. today, 2,000 ft. tonight, at the surface Thursday, 2,000 ft. Thursday night, 2,500 ft. Friday, then 3,000 ft. Friday night.
- highs 63-32 lows 23-25.
- Mostly cloudy and a bit warmer with snow and rain likely (70%) Saturday, snow and rain likely (70%) Saturday night,
- Mostly cloudy and a bit warmer with snow and rain likely (70%) Sunday, a (40%) chance of evening rain and snow showers, partly cloudy with a (40%) chance of rain and snow showers late at night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow showers Monday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Tuesday.
- snow level 2,500 ft. Saturday, 3,500 ft. Saturday night through Monday, 4,500 ft. Monday night, then 5,500 ft. Tuesday.
- highs 33-45 lows near 25.
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