May
18.
Here is my weekly weather quiz question. What is “Limnology?
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A blocking Upper Level High Pressure Ridge (“Arch” shape) still has a hold on the Pacific Northwest. Temperatures have cooled off a bit. The graphics for days 1-3 show no fronts approaching the Pacific Northwest. The graphics for days 3-7 Monday through next Friday show cold front moving to the coast Thursday and Friday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 26 in the good category measuring Ozone.
Oakridge: The Air Quality Index is 11 in the good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 30 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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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 tonight,
- A mix of clouds and sun and a bit cooler Friday, partly cloudy Friday night,
- A mix of clouds and sun and a bit warmer Saturday, partly cloudy at night,
- Partly cloudy and a bit cooler Sunday, then mostly clear Sunday night.
- lows 52-45 highs 78-80 cooling to 74 Sunday
- Mostly sunny start, partly cloudy and a bit cooler Monday afternoon, mostly clear Monday night,
- Then mostly sunny and a bit warmer Tuesday, Wednesday, and Thursday, mostly clear Tuesday night and Wednesday night,
- highs 70-77 lows 44-47. (seasonal averages high 69 low 45)
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Home Wood Heating Advisory:
Posted Daily
Eugene-Springfield: GREEN– Burning is Allowed.
Oakridge: GREEN– Burning is Allowed.
*Note: Pellet stoves may be used anytime if they produce no visible emissions.
Data courtesy of Lane Regional Air Protection Agency (LRAPA
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Eugene-Springfield Pollen Count:
Grass Pollen: High (48)
Weeds: Moderate (22)
Tree Pollen: High (166)
Last counted: 5.18.23 Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear this evening, becoming partly cloudy late tonight,
- Some AM sun, partly cloudy and a bit cooler Friday afternoon and evening, mostly cloudy with patchy fog late Friday night,
- Mostly cloudy start, partly cloudy and a bit cooler Saturday and in the evening, mostly cloudy late at night,
- Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon, then mostly clear Sunday night.
- lows 54-49 highs 82-76.
- Mostly sunny and a bit cooler Monday, mostly clear Monday night,
- Then mostly sunny and a bit warmer Tuesday, Wednesday, and Thursday, mostly clear Tuesday night and Wednesday night,
- highs 74-79 lows 47-50. (seasonal averages high 72 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy evening fog, areas of fog becoming patchy fog late tonight,
- Mostly cloudy with patchy AM fog while areas of inland AM fog, mostly cloudy and a bit warmer Friday afternoon, mostly cloudy with patchy fog Friday night,
- Mostly cloudy with patchy AM fog, mostly cloudy and a bit cooler Saturday and Saturday night,
- Mostly cloudy start, partly cloudy and a bit cooler Sunday afternoon, mostly clear at night,
- lows 52-47 highs 62-65.
- Mostly sunny Monday, mostly clear Monday night,
- Mostly sunny Tuesday, mostly clear in the evening, partly cloudy at night,
- Some AM clouds, sunny Wednesday afternoon, partly cloudy Wednesday,
- Then partly cloudy Thursday.
- highs near 64 lows 47-45 warming back to 47 Wednesday night. (seasonal averages high 61 low 48)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late tonight,
- Mostly sunny start, partly cloudy and a bit warmer with a (40%) chance of showers and a slight (20%) chance of thunderstorms Friday afternoon and evening (under 0.10 in of rain possible), just partly cloudy late Friday night (under 0.10 in of rain possible),
- Partly cloudy and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday afternoon and evening, partly cloudy with a slight (20%) chance of showers late at night,
- Partly cloudy and colder Sunday and Sunday night.
- snow level above 8,000 ft. tonight through Saturday, then free air freezing level 13,000 ft. Sunday and Sunday night,
- lows near 35-38 highs 76-63.
- Mostly sunny and a bit cooler Monday, mostly cloudy Monday night,
- Mostly sunny Tuesday mostly clear at night,
- Then mostly sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night,
- free air freezing level 12,000 ft. Monday and Monday night, 11,000 ft. Tuesday, then 10,000 ft. Tuesday night, then 11,000 ft. Wednesday through Thursday.
- highs 62-65 lows 35-38.
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For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com
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