May
02.
An Upper Level High Pressure Ridge (“Arch” shape) keeps up the dry mild weather. The graphics for days 1-3 show no frontal systems pushing through the Pacific Northwest. The graphics for days 3-7 Tuesday through Saturday show a frontal system moving through Wednesday through Friday, then another frontal system offshore next Saturday.
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, AND EAST PORTLAND METRO.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES FROM 11 PM TONIGHT 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 51 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 46 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 with a (30%) chance of evening showers and thunderstorms, a slight (20%) chance of showers late tonight,
- AM sun with patchy fog, sunny and a bit warmer Sunday afternoon, mostly clear Sunday night,
- A mix of clouds and sun and cooler Monday, mostly cloudy Monday night,
- AM clouds, becoming mostly sunny and a bit warmer Tuesday afternoon, then clear Tuesday night.
- lows 50-53 cooling to 48 Tuesday night highs 86-72 warming to 75 Tuesday .
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Mostly sunny and a bit cooler Thursday, partly cloudy at night,
- A mix of clouds and sun and a bit cooler Friday,
- Then mostly sunny and a bit warmer Saturday.
- highs 78-72 warming to 75 Saturday 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:
- Partly cloudy tonight,
- Mostly sunny and warmer with a slight (20%) chance of late afternoon showers and thunderstorms Sunday, a slight (20%) chance of evening showers and thunderstorms, a slight (20%) chance of late evening rain, just partly cloudy late Sunday night,
- A mix of clouds and sun and cooler Monday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Tuesday, then mostly clear Tuesday night.
- lows 52-54 cooling back to 52 Tuesday night highs 86-73 warming to 76 Tuesday.
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Mostly sunny Thursday, partly cloudy at night,
- A mix of clouds and sun and a bit cooler Friday, partly cloudy Friday night,
- Then mostly sunny and a bit warmer Saturday.
- highs 80-76 warming to 78 Saturday lows 49-50 cooling back to 49 Friday night (seasonal averages high 68 low 46).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy tonight,
- Mostly sunny and a bit warmer Sunday, mostly cloudy Sunday night,
- Mostly cloudy and a bit cooler Monday, mostly cloudy at night,
- A mix of clouds and sun Tuesday, then partly cloudy Tuesday night.
- lows 50-52 cooling back to 50 Tuesday night highs 63-59 warming to 62 Tuesday.
- A mix of clouds and sun and a bit cooler Wednesday, partly cloudy Wednesday night,
- A mix of clouds and sun Thursday, mostly cloudy at night,
- Mostly cloudy Friday, partly cloudy Friday night,
- Then mostly sunny and a bit warmer Saturday.
- highs 60-63 lows near 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 (30%) chance of evening thunderstorms, mostly clear with a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
- Sunny and warmer with a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a (40%) chance of evening thunderstorms, just partly cloudy late Sunday night,
- Mostly sunny with a slight (20%) chance of thunderstorms and cooler Monday afternoon, partly cloudy with a slight (20%) chance of evening thunderstorms, mostly cloudy with a slight (20%) chance of thunderstorms at night,
- AM clouds and sun with a slight (20%) chance of thunderstorms, mostly sunny and a bit warmer with a slight (20%) chance of thunderstorms Tuesday afternoon, then clear Tuesday night.
- snow level above 8,000 ft. tonight, free air freezing level 11,000 ft. Sunday, 12,000 ft. falling to 11,000 ft. late Sunday night, 11,000 ft. Monday through Tuesday, then 12,000 ft. Tuesday night,
- lows 45-46 cooling to 43 Monday night highs 72-64 warming to 66 Tuesday.
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Sunny and a bit warmer Thursday, partly cloudy at night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Friday, partly cloudy with a slight (20%) of rain Friday night,
- Then mostly sunny and a bit warmer Saturday.
- free air freezing level 13,000 ft. Wednesday through Thursday night, snow level above 8,000 ft. Friday, 7,500 ft. Friday night, then free air freezing level 12,000 ft. Saturday.
- highs 68-69 cooling to 63 Friday warming to 68 Saturday lows 43-42.
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