May
01.
An Upper Level High Pressure Ridge (“Arch” shape) keeps up the dry mild weather. The graphics for days 1-3 show a frontal system pushing through the Pacific Northwest Saturday and Sunday. The graphics for days 3-7 Monday through Friday show a frontal system moving through Thursday and Friday.
ADVISORIES:
- A HEAT ADVISORY IS IN EFFECT FROM 8 AM UNTIL 11 PM SUNDAY FOR THE TUALATIN VALLEY.
- A HEAT ADVISORY IS IN EFFECT FROM 8 AM UNTIL 11 PM SUNDAY FOR THE LOWER COLUMBIA RIVER, INNER PORTLAND METRO, EAST PORTLAND METRO, AND THE COWLITZ COUNTY LOWLANDS.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES FROM SATURDAY EVENING THROUGH SUNDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
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 37 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 27 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 30 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:
- Mostly cloudy with a (40%) chance of showers late tonight,
- AM clouds with a slight (20%) chance of AM showers, becoming mostly sunny and a bit cooler Saturday afternoon, partly cloudy with patchy fog late night,
- AM sun with patchy fog, sunny and warmer Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just mostly cloudy Sunday night,
- A mix of clouds and sun and cooler Monday, then partly cloudy Monday night.
- lows 49-52 highs 72-84 cooling to 72 Monday.
- AM clouds, becoming sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Mostly sunny Thursday, partly cloudy Thursday night,
- Then a mix of clouds and sun and a bit cooler Friday.
- highs 74-77 cooling to 73 Friday lows 49-47 warming to 48 Thursday night. (seasonal averages high 65 low 42).
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: HIGH (93)
WEEDS: LOW (6)
Measured Friday 5.1.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a slight (20%) chance of evening rain, a (30%) chance of showers and thunderstorms late tonight,
- Mostly cloudy with a (30%) chance of AM showers and a slight (20%) chance of thunderstorms, becoming mostly sunny and a bit warmer with a slight (20 %) chance of Saturday, just partly cloudy Saturday night,
- Mostly sunny and warmer with a slight (20%) chance of rain Sunday afternoon, mostly cloudy with a (30%) chance of evening showers and thunderstorms, a slight (20%) chance of rain late at night,
- A mix of clouds and sun and cooler with a slight (20%) chance of rain Monday afternoon, then just partly cloudy Monday night.
- lows 50-54 cooling to 53 Monday night highs 73-84 cooling to 72 Monday.
- A mix of clouds and sun and a bit warmer Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Mostly sunny Thursday, partly cloudy Thursday night,
- Then a mix of clouds and sun and a bit cooler Friday.
- highs 77-80 cooling to 75 Friday lows 52-50 (seasonal averages high 68 low 45).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of rain late tonight,
- Cloudy with a slight (20%) chance of AM rain, becoming mostly sunny and a bit warmer Saturday afternoon, partly cloudy Saturday night,
- Mostly sunny and a bit warmer Sunday, mostly cloudy with a (30%) chance of rain late at night,
- Mostly cloudy with a slight (20%) chance of AM rain, just mostly cloudy and a bit cooler Monday afternoon, mostly cloudy with a slight (20%) chance of rain Monday night.
- lows 50-52 highs 59-62 cooling to 58 Monday.
- A mix of clouds and sun and a bit warmer Tuesday, partly cloudy Tuesday night,
- A mix of clouds and sun Wednesday, partly cloudy at night,
- A mix of clouds and sun and a bit warmer Thursday, mostly cloudy Thursday night,
- Then a mix of clouds and sun Friday.
- highs 60-62 lows 52-50. (seasonal averages high 59 low 46).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a good (50%) chance of evening showers and slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
- Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Saturday afternoon, mostly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, just partly cloudy late Saturday night,
- AM sun, a mix of clouds and sun and warmer with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, partly cloudy with a slight (20%) chance of showers late at night,
- Mostly sunny with a (40%) chance of rain and cooler Monday, mostly cloudy with a (40%) chance of evening rain, then partly cloudy with a (40%) chance of rain Monday night.
- snow level above 8,000 ft. tonight through Monday night,
- lows 48-52 highs 67-65 warming to 86 Sunday.
- Mostly sunny with a slight (20%) chance of rain and a bit warmer Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, clear at night,
- Sunny Thursday, mostly clear in the evening, partly cloudy late Thursday night,
- Then mostly sunny with a slight (20%) chance of rain Friday.
- snow level above 8,000 ft. Tuesday, free air freezing level 12,000 ft. Tuesday night and Wednesday, 13,000 ft. Wednesday night,12,000 ft. Thursday, 12,000 ft. Thursday night, then snow level 7,500 ft. Friday.
- highs 72-77 lows 52-48.
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