May
26.
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 cold front will be moving through Oregon by late today. The graphics for days 3-7 Thursday through Monday show a cold front that will be moving through Oregon next Sunday followed closely by another complex frontal system.
Note: The weather looks pretty nice for the Memorial Day Holiday itself today.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 12 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 sunny today (Memorial Day), partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy and a bit cooler with a slight (20%) chance of of rain Tuesday, a good (50%) chance evening rain, a slight (20%) chance of rain late at night,
- Mostly sunny with a slight (20%) chance of showers and a bit cooler Wednesday, partly cloudy in the evening, then mostly clear late Wednesday night.
- high 75-67 cooling to 65 Wednesday lows 49-42.
- Sunny and a bit warmer Thursday, clear Tuesday night,
- Sunny and a bit warmer Friday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- highs 69-76 cooling to 74 Sunday lows 42-49. (seasonal averages high 70 low 45)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (42)
TREES: MODERATE (12)
WEEDS: LOW (3)
Measured 5.26.24
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:
- AM clouds, sunny and a bit warmer this afternoon (Memorial Day), mostly clear this evening, partly cloudy late tonight,
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday and at night,
- Mostly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday afternoon, then mostly clear Wednesday night.
- highs 79-69 lows 52-45.
- Mostly sunny and a bit warmer Thursday, clear Thursday night,
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Partly cloudy and a bit warmer Saturday, partly cloudy Saturday night,
- Then partly cloudy with a slight (20%) chance of showers Sunday afternoon.
- highs 74-79 lows 46-52. (seasonal average high 73 low 50)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Some AM clouds, sunny and a bit warmer this afternoon (Memorial Day), partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (20%) chance of evening coastal showers while a slight (20%) chance of inland showers at night,
- Mostly cloudy start, sunny Wednesday afternoon, then mostly clear Wednesday night.
- highs 63-62 lows 47-43.
- Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
- Mostly sunny and a bit warmer Friday, partly cloudy at night,
- Partly cloudy and a bit cooler Saturday and Saturday night,
- AM clouds, then partly cloudy with a slight (20%) chance of showers Sunday afternoon.
- highs 60-65 lows 44-47. (seasonal average high 62 low 49)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today (Memorial Day), partly cloudy tonight,
- AM clouds and sun, mostly cloudy and cooler with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with showers likely (70%) at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Wednesday, evening rain likely (70%), then mostly cloudy with a (40%) chance of showers Wednesday night.
- free air freezing level 11,000 ft. late today, 12,000 ft. falling to 11,000 ft. tonight, snow level 7,500 ft. Tuesday, 7,000 ft. falling to 6,000 ft. late Tuesday night, snow level 5,500 ft. Wednesday, then 5,000 ft. Wednesday night.
- highs 68-52 lows 40-32.
- Sunny and a bit warmer Thursday, mostly clear Thursday night,
- Sunny and cooler Friday, mostly clear at night,
- Mostly sunny and a bit cooler Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- free air freezing level 6,500 ft. Thursday, 10,000 ft. Thursday night, then 12,000 ft. Friday through Sunday.
- highs 50-67 cooling to 65 Saturday lows 32-40.
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