Jun
20.
Here is my new weekly weather quiz question. “What is the “Santa Ana Wind?
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An Upper Level High Pressure Ridge (“Arch” shape) brings the heat. The graphics for days 1-3 show a frontal system offshore Saturday. The graphics for days 3-7 Sunday through Thursday show no frontal systems pushing through the Pacific Northwest until a cold front moves through Sunday. Another cold front pushes in between Wednesday and next Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 46 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 24 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 clear this evening, partly cloudy late tonight,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Sunny and a bit cooler Saturday, mostly clear in the evening, partly cloudy late at night,
- AM clouds, mostly sunny and cooler Sunday, then mostly clear Sunday night.
- lows 52-54 cooling to 47 Sunday night highs 89-78.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny and a bit warmer Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
- Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday.
- highs 80-83 cooling to 72 Thursday lows 48-52 (seasonal averages high 76 low 48)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: VERY HIGH (321)
TREES: MODERATE (27)
WEEDS: LOW (3)
Measured 6.20.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, mostly clear Friday night,
- Sunny and a bit cooler Saturday, clear in the evening, partly cloudy late late at night,
- AM clouds, sunny and a bit cooler Sunday afternoon, then clear Sunday night.
- lows 56-58 cooling to 52 Sunday night highs 92-82.
- Sunny and a bit warmer Monday and Tuesday, clear both nights,
- Sunny and a bit cooler Wednesday, mostly clear in the evening, partly cloudy late Wednesday night,
- Then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday.
- highs 83-86 cooling to 74 Thursday lows near 54. (seasonal average high 77 low 53)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Becoming mostly cloudy tonight with patchy evening coastal fog and a slight (20%) chance of drizzle late tonight while patchy inland late evening and late night fog tonight,
- AM clouds with patchy inland fog, sunny and a bit warmer Friday afternoon, mostly clear in the evening, partly cloudy with patchy fog late Friday night,
- Some AM clouds with patchy fog, sunny Saturday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of drizzle late at night,
- AM clouds with a slight (20%) chance of drizzle, sunny and a bit cooler Sunday afternoon, then mostly clear Sunday night.
- lows 50-48 warming to 52 Saturday night cooling to 47 Sunday night highs 69-67.
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Mostly sunny Tuesday, mostly clear at night,
- Partly cloudy Wednesday, partly cloudy Wednesday night,
- Partly cloudy with a slight (20%) chance of AM showers, then just partly cloudy and a bit cooler Thursday afternoon.
- highs 68-66 lows 48-50. (seasonal average high 64 low 52)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Friday, mostly clear Friday night,
- Sunny Saturday, clear at night,
- Sunny and a bit cooler Sunday, then mostly clear Sunday night.
- free air freezing level 13,000 ft. tonight and Friday, 14,000 ft. rising to 15,000 ft. late Friday night, then 15,000 ft. Saturday through Sunday night.
- lows 48-42 highs 76-69.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of showers with patchy freezing drizzle Wednesday night,
- Then mostly cloudy and cooler with a slight (20%) chance of showers and patchy freezing drizzle Thursday.
- free air freezing level 14,000 ft. Monday, 15,000 ft. Monday night, 14,000 ft. Tuesday and Tuesday night, 13,000 ft. Wednesday, then snow level above 8,000 ft. Wednesday night and Thursday.
- highs 73-56 lows 45-42.
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