Check out my latest Eugene Daily News Weather Or Not column “I Can See Clearly Now,” But For How Long?
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Here is my weekly weather quiz question. What is “Coalescence?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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Upper Level High Pressure (Shaded “Arch” shape with blue arrows) has taken over producing sinking air the result of which is late night and early AM fog with freezing fog in some locations. The graphics for days 3-7 show that high pressure will extend right down to the surface keeping us out dry through next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 10 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Home Wood Burning Advisory:
(Posted Daily)
Eugene-Springfield: YELLOW – Caution Is Advised.
Oakridge: YELLOW – Caution Is Advised.
*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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ADVISORIES:
- A WIND ADVISORY IS IN EFFECT UNTIL 6 PM THURSDAY NEAR THE GORGE FOR THE GREATER PORTLAND METRO AREA.
- A HIGH WIND WARNING IS IN THROUGH 6 PM THURSDAY FOR THE WESTERN COLUMBIA RIVER GORGE.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM NEXT MONDAY FOR THE LOWER COLUMBIA, THE CENTRAL WILLAMETTE VALLEY AND THE SOUTH WILLAMETTE VALLEY.
- AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 AM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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:
- Clear this evening, mostly cloudy with patchy fog late tonight,
- Clouds and sun with patchy freezing fog Thursday AM, mostly sunny and much cooler in the afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Thursday night,
- Mostly cloudy with areas of AM freezing fog, mostly cloudy with areas of lingering fog Friday afternoon and Saturday afternoon, mostly cloudy with areas of fog both nights,
- lows near 30 highs 40-42 cooling back to 40 Saturday night.
- Areas of AM freezing fog, mostly cloudy and a bit warmer with areas of fog Sunday afternoon and at night,
- Areas of AM freezing fog, mostly cloudy with patchy fog Monday afternoon, patchy fog Monday night,
- AM freezing fog, a mix of clouds and sun with patchy lingering fog Tuesday afternoon, mostly cloudy with patchy fog at night,
- Then a mix of clouds and sun with patchy fog Wednesday.
- highs near 42 lows 30-32. (seasonal averages high 47 low 35)
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Forecast for Roseburg:
- Mostly clear with patchy fog late tonight,
- Areas of AM fog and freezing fog, sunny and a bit warmer Thursday afternoon, mostly clear with patchy evening fog, areas of fog and freezing fog late at night and Friday AM, sunny and a bit cooler in the afternoon, areas of fog and freezing fog late Friday night,
- Partly cloudy with areas of AM fog and freezing fog, sunny Saturday afternoon, then partly cloudy with areas of fog Saturday night.
- lows 35-29 warming to 33 Friday highs 47-42.
- Partly cloudy with areas of fog and a bit warmer Sunday and Sunday night,
- Partly cloudy with patchy fog Monday AM, sunny in the afternoon, partly cloudy with areas of fog Monday night through Wednesday.
- highs near 48 lows near 34. (seasonal averages high 48 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Clear tonight,
- Sunny and a bit cooler Thursday, clear with areas of fog late at night and Friday AM, sunny Friday afternoon, clear with areas of fog at night,
- Partly cloudy with areas of AM fog, sunny and a bit cooler Saturday afternoon, then partly cloudy with areas of fog at night.
- lows near 38 highs 60-57.
- Partly cloudy with areas of AM fog, sunny and a bit warmer Sunday afternoon, partly cloudy areas of fog late Sunday night,
- Partly cloudy with patchy AM fog, sunny and a bit cooler Monday afternoon, partly cloudy with areas of fog late at night,
- Partly cloudy with areas of fog Tuesday AM, sunny and a bit cooler in the afternoon, partly cloudy with areas of fog late Tuesday night and Wednesday AM, then sunny Wednesday afternoon.
- highs near 55 lows near 40. (seasonal averages high 51 Low 40)
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Forecast for the Cascades in Lane County:
- Mostly clear tonight,
- Mostly sunny and a bit warmer Thursday and Friday, clear to mostly clear at night,
- Mostly sunny and a bit cooler Saturday, then mostly clear at night.
- free air freezing level 11,000 ft. tonight, 11,000 ft. rising to 12,000 ft. Thursday afternoon, 12,000 ft. falling to 11,000 ft. late Thursday night, 11,000 ft. rising to 12,000 ft. Friday afternoon, then 11,000 ft. Friday night through Saturday night.
- lows 27-30 cooling back to 27 Saturday night highs 42-44 cooling back to 42.
- Mostly sunny Sunday and Monday, mostly clear at night,
- Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
- Then mostly sunny Wednesday.
- free air freezing level 12,000 ft. Sunday, 13,000 ft. Sunday night and Monday, then 12,000 ft. Monday night through Wednesday.
- highs 42-40 warming back to 42 Monday lows near 28.
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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.
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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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