May
11.
A strong Upper Level High Pressure Center sits over the South Western U.S. and is radiating it’s energy Northward to the Pacific Northwest. The graphics for days 1-3 show a frontal activity moving over the Pacific Northwest Tuesday night into Wednesday. The graphics for days 3-7 Wednesday through Sunday show active frontal activity Friday and Friday night.
ADVISORIES:
- A WIND ADVISORY IS IN EFFECT FROM NOON MDT WEDNESDAY UNTIL MIDNIGHT MDT WEDNESDAY FOR MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
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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SKI REPORT:
Willamette Pass Ski: Is closed until better snow conditions for Spring skiing. Probably done for the season.
Hoodoo Ski: IS CLOSED FOR THE SEASON.
Mt. Ashland Ski: IS CLOSED FOR THE SEASON.
Be sure to check their web pages for the latest updates.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy tonight,
- A mix of clouds and sun and a bit warmer Tuesday, mostly cloudy with showers likely (70%) late Tuesday night,
- Mostly cloudy with AM rain likely (70%), mostly cloudy and cooler with a slight (20%) chance of rain Wednesday afternoon, partly cloudy at night,
- Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
- lows 53-46 highs 79-68 warming to 72 Thursday.
- A mix of clouds and sun and a bit cooler Friday afternoon, partly cloudy with a slight (20%) chance of rain late Friday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Saturday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Sunday, partly cloudy Sunday night,
- Then mostly sunny and a bit warmer Monday.
- highs 67-63 warming back to 67 Sunday warming to 74 Monday lows 48-44. (seasonal averages high 67 low 43).
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: HIGH (20)
TREE POLLEN: MODERATE (61)
WEEDS: LOW (2)
Measured 5.11.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy tonight,
- A mix of clouds and sun and a bit warmer Tuesday, becoming mostly cloudy with rain likely (70%) late Tuesday night,
- AM clouds and sun with a (40%) chance of rain, a mix of clouds and sun and cooler Wednesday, partly cloudy at night,
- Mostly sunny and a bit warmer Thursday, then partly cloudy Thursday night.
- lows 56-47 warming to 48 Thursday night highs 80-68 warming to 74 Thursday .
- Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
- A mix of clouds and sun and a bit cooler with a slight (20% ) chance of Saturday, partly cloudy at night,
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
- Then mostly sunny and a bit warmer Monday
- highs 69-65 warming to 76 Monday lows 44-43 warming to 46 Sunday night. (seasonal averages high 70 low 47).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy tonight,
- Mostly cloudy Tuesday, mostly cloudy with rain late Tuesday night (under 0.10 in. of rain possible),
- Cloudy with AM rain likely (70%), becoming mostly sunny and a bit cooler Wednesday afternoon, mostly cloudy at night,
- Mostly sunny and a bit warmer Thursday, then partly cloudy Thursday night.
- lows 52-49 highs 59-58 warming to 60 Saturday.
- A mix of clouds and sun and a bit cooler Friday, mostly cloudy with a slight (20%) chance of rain late Friday night,
- Clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun Saturday afternoon, partly cloudy at night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain Sunday, partly cloudy Sunday night,
- Then mostly sunny and a bit warmer Monday.
- highs 62-57 lows 59-57 warming to 58 Monday. (seasonal averages high 60 low 47).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Mostly sunny and a bit warmer Tuesday, increasing clouds, evening showers likely (70%) with a slight (20%) chance of thunderstorms, rain late Tuesday night,
- Mostly cloudy with AM rain, a slight (20%) chance of rain and cooler Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of rain late at night,
- Sunny and a bit cooler Thursday, mostly clear Thursday night.
- free air freezing level 13,000 ft. rising to 14,000 ft. late tonight, 13,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night, 7,000 ft. Wednesday, 6,000 ft. Wednesday night, then free air freezing level 9,000 ft. Thursday and Thursday night.
- lows 46-34 warming to 35 Thursday highs 76-52 warming to 59 Thursday.
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Friday, mostly cloudy with a good (50%) chance of rain and snow late Friday night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Saturday, mostly cloudy with a slight (20%) chance of rain and snow Saturday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain and snow Sunday, partly cloudy Sunday night,
- Then sunny and a bit warmer Monday.
- snow level 6,000 ft. Friday, 5,000 ft. Friday night, 4,500 ft. Saturday and Saturday night, 5,000 ft. Sunday, free air freezing level above 8,000 ft. Monday.
- highs 55-47 warming to warming to 62 Monday lows 37-34.
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