May
27.
Here is my new weekly weather quiz question. “What is a “Rocketsonde?”
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An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3 show a weak frontal system slide into the Pacific Northwest. The graphics for days 3-7 Friday through Tuesday show a cold front that will be moving through Oregon Sunday followed closely by another complex frontal system Monday and next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 8 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:
- 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 and cooler, possible sun breaks, with a slight (20%) chance of rain this afternoon, a good (50%) chance evening showers, a slight (20%) chance of showers late tonight,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Sunny and a bit warmer Thursday, then clear Thursday night.
- high 66-72 lows 46-42 warming to 44 Thursday night.
- Sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late Friday night,
- Mostly sunny Saturday, mostly cloudy with a slight (20%) chance of showers at night,
- A mix of clouds and sun and a bit cooler with a (40%) chance of showers Sunday, mostly cloudy with a good (50%) chance of rain Sunday night,
- Mostly cloudy with a good (50%) chance of AM rain, then partly cloudy and a bit cooler with a good (50%) chance of rain Monday afternoon.
- highs 76-72 lows 47-53. (seasonal averages high 70 low 45)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (120)
TREES: LOW (9)
WEEDS: LOW (2)
Measured 5.27.24
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:
- Mostly cloudy and much cooler today, a slight (20%) chance of evening showers, just mostly cloudy late Tuesday night,
- Partly cloudy and a bit warmer Wednesday, mostly clear at night,
- Sunny and a bit warmer Thursday, then clear Thursday night.
- highs 69-75 lows 49-45 warming to 48 Thursday night.
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Partly cloudy and a bit warmer Saturday, partly cloudy with a slight (20%) chance of showers late at night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday, a (30%) chance of showers Sunday night,
- Then mostly cloudy and a bit cooler with a (40%) chance of showers Monday.
- highs 80-82 cooling to 75 Monday lows 50-55. (seasonal average high 73 low 50)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of coastal showers this afternoon, a slight (20%) chance of evening showers just mostly cloudy late tonight,
- Partly cloudy and a bit cooler Wednesday, mostly clear at night,
- Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
- highs 64-62 warming back to 64 Thursday night lows 46-43.
- Mostly sunny and a bit warmer Friday, partly cloudy Friday night,
- Partly cloudy Saturday, mostly cloudy with a slight (20%) chance of showers late at night,
- Mostly cloudy with a (30%) chance of showers Sunday, a (40%) chance of showers Sunday night,
- Then mostly cloudy with a (40%) chance of showers Monday.
- highs near 65 lows 45-50. (seasonal average high 62 low 50)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy and cooler with a slight (20%) chance of rain this afternoon, mostly cloudy with evening showers, a good (50%) chance of rain and snow showers late tonight (0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM snow showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy in the evening, mostly clear late at night,
- snow level 7,500 ft. today, 6,500 ft. falling to 5,500 ft. late tonight, 5,000 ft. Wednesday, free air freezing level 7,000 ft. falling top 6,000 ft. late Wednesday night, 9,000 ft. Thursday, then 11,000 ft. Thursday night.
- highs 55-52 warming to 62 Thursday lows 35-32 warming 36 Thursday night.
- Sunny and warmer Friday, mostly clear in the evening, partly cloudy late Friday night,
- Mostly sunny Saturday, partly cloudy with a slight (20%) chance of showers in the evening, mostly cloudy with a slight (20%) chance of showers at night,
- A mix of clouds and sun with a (40%) chance of showers and a bit cooler Sunday, mostly cloudy with a good (50%) chance of showers Sunday night,
- Then a mix of clouds and sun with a good (50%) chance of rain Monday.
- free air freezing level 11,000 ft. Friday, 12,000 ft. Friday night and Saturday, then snow level above 8,000 ft. Sunday through Monday.
- highs 67-62 lows 39-43.
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