Jun
16.
An Upper Level Low Pressure Trough (“U” shape) over the Eastern Pacific along with surface High Pressure keep the onshore airflow over us holding the temperatures down to normal levels. The graphics for days 1-3 show no frontal systems over or approaching the Pacific Northwest, but one well offshore Tuesday. The graphics for days 3-7 Friday through Tuesday show a frontal system that pushed into the Pacific Northwest Wednesday.
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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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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 26 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Eugene-Springfield Area Pollen count:
GRASS: 325 VERY HIGH
TREES: 3 LOW
WEEDS: 0 LOW
Measured 6.16.25
Data courtesy of Oregon Allergy Associates.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and a bit warmer today, mostly clear this evening, partly cloudy late tonight,
- AM clouds, mostly sunny and a bit cooler Wednesday afternoon, mostly clear at night,
- Mostly sunny Thursday (Juneteenth), partly cloudy in the evening, then mostly cloudy late Thursday night.
- highs 79-75 lows 52-45 warming to 46 Thursday night.
- Mostly cloudy and cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Friday, mostly cloudy rain Friday night,
- Mostly cloudy with rain and a bit cooler with slight (20%) chance of thunderstorms Saturday, mostly cloudy with rain likely (70%) Saturday night,
- Mostly cloudy with a (40%) chance of AM rain, A mix of clouds and sun and a bit warmer with a (40%) chance of rain Sunday afternoon,
- Then mostly sunny and a bit warmer Monday.
- highs 66-64 warming to 78 Monday lows 47-49 cooling back to 47 Sunday night. (seasonal averages high 74 low 48).
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Forecast for the Umpqua Valley including Roseburg:
- Sunny and a bit warmer today, clear this evening, partly cloudy with patchy fog late tonight,
- AM clouds with patchy fog, sunny and a bit cooler Wednesday afternoon, mostly clear at night,
- Partly cloudy and a bit cooler Thursday (Juneteenth), then partly cloudy Thursday night.
- highs 77-83 cooling back to 79 Wednesday lows 55-50 warming to 52 Thursday night.
- Mostly cloudy with a slight (20%) chance of AM rain, rain and a bit cooler with a good (50%) chance of rain and a slight (20%) chance of thunderstorms Friday afternoon, evening rain, rain likely (70%) Friday night,
- Mostly cloudy with AM rain likely, rain likely (70%) and a bit warmer with a slight (20%) chance of thunderstorms Saturday afternoon, mostly cloudy with a (%) chance of rain late at night,
- Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy and a bit warmer Sunday, partly cloudy Sunday night,
- Then partly cloudy Monday.
- highs 78-68 warming to 79 Sunday lows near 52 (seasonal averages high 77 low 53).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny and a bit cooler today, partly cloudy this evening and mostly cloudy with a slight (20%) chance of coastal rain late tonight while mostly clear in the evening then mostly cloudy with patchy inland fog late Tuesday night,
- Mostly cloudy with a slight (20%) chance of AM coastal rain and patchy fog while areas AM inland fog, mostly cloudy and a bit cooler Wednesday afternoon, mostly clear in the evening, partly cloudy with patchy fog Wednesday night,
- Patchy AM fog, partly cloudy Thursday (Juneteenth), partly cloudy in the evening, mostly cloudy with patchy fog and a slight (20%) chance of rain late Thursday night.
- highs 70-65 lows 52-46 warming to 49 Friday night.
- Mostly cloudy patchy AM rain fog and with a good (50%) chance of rain and a bit cooler Friday afternoon, rain Friday night,
- Mostly cloudy with rain likely (70%) Saturday, mostly cloudy with a good (50%) chance of rain Saturday night,
- Mostly cloudy with a slight (20%) chance of rain AM rain, just mostly cloudy and a bit warmer Sunday afternoon, partly cloudy in the evening, mostly cloudy late Sunday night,
- Mostly cloudy start, then partly cloudy and a bit warmer Monday afternoon.
- highs 66-63 warming to 67 Monday lows near 48.
- (seasonal averages high 64 low 51). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit cooler today, mostly clear tonight,
- Sunny and a bit cooler Wednesday, mostly clear at night,
- Sunny and a bit cooler Thursday (Juneteenth), then partly cloudy late Thursday night.
- free air freezing level 13,000 ft. today, 13,000 ft. rising to 14,000 ft. tonight, 14,000 ft. Wednesday and Wednesday night, 13,000 ft. Thursday, then 12,000 ft. Thursday night.
- highs 70-65 lows 42-37.
- A mix of clouds and sun and cooler with a (50%) chance of rain Friday, mostly cloudy with rain and snow Friday night,
- Mostly cloudy and a bit cooler with rain and snow Saturday, mostly cloudy with a good (50%) chance of showers at night,
- A mix of clouds and sun with a (40%) chance of rain and warmer Sunday, partly cloudy Sunday night,
- Then mostly sunny and warmer Monday.
- snow level 6,000 ft. Friday, 5,500 ft. Friday night and Saturday, 6,000 ft. Saturday night, 7,000ft. Sunday, then free air freezing level 10,000 ft. Sunday night and Monday.
- highs 53-45 warming to 66 Monday lows 34-38.
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