Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/04/i-feel-the-earth-move-but-some-people-cant/
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Here is my weekly weather quiz question. What is a “Disdrometer?” 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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The graphics for days 1-3 show the frontal system moving southward through California and away from us overnight. An Upper Level High Pressure Ridge will starts taking over Thursday bringing dry and sunny weather at least for a while. An Upper level Low Pressure Trough returns the chance of increasing clouds and and the small chance for showers Friday night and Saturday. The graphics for days 3-7 show the frontal system that will cross the coastline next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 29 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 9 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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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:
- Partly cloudy with a slight (20%) chance of showers tonight with patchy fog late tonight and Thursday AM, mostly sunny and a bit warmer in the afternoon, partly cloudy Thursday night,
- Partly cloudy and a bit warmer Friday, becoming mostly cloudy with a (40%) chance of rain at night,
- Partly cloudy and a bit cooler Saturday with a slight (20%) chance of AM showers, then partly cloudy Saturday night.
- lows 38-42 cooling to 36 Saturday night highs 63-67 cooling back to 63 Saturday night.
- Partly cloudy and a bit warmer Sunday, mostly clear at night,
- Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
- Then partly cloudy and a bit cooler Tuesday through Wednesday.
- highs 64-72 cooling to 70 Tuesday and Wednesday lows 36-42. (seasonal averages high 61 low 40)
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Eugene-Springfield Pollen Count
Grass………. Low (0)
Trees………. Low (14)
Last Counted: 4/17/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy with a (30%) chance of evening showers, just mostly cloudy late tonight,
- Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy at night,
- Mostly cloudy and a bit warmer Friday, a (30%) chance of rain Friday night,
- Mostly cloudy with a (20%) chance of showers Saturday AM, partly cloudy and a bit cooler in the afternoon and at night.
- lows 38-44 highs 64-68 cooling back to 64 Saturday.
- Partly cloudy and a bit warmer Sunday, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday, partly cloudy at night,
- Partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday and Tuesday night,
- Then partly cloudy and a bit warmer Wednesday.
- highs 64-74 cooling to 72 Tuesday warming to 76 Wednesday lows 40-45. (seasonal averages high 63 low 42)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with a slight (20%) chance of evening coastal showers, just partly cloudy late tonight,
- Mostly cloudy Thursday AM, partly cloudy and a bit warmer Thursday afternoon, mostly clear in the evening, partly cloudy late at night,
- Mostly cloudy and a bit cooler Friday, a (40%) chance of rain Friday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit warmer Saturday afternoon and at night.
- lows 40-44 cooling to 38 Saturday night highs 56-59.
- Partly cloudy and a bit cooler Sunday, mostly clear at night,
- Mostly sunny and a bit warmer Monday, then partly cloudy Monday night,
- Partly cloudy and a bit cooler Tuesday and at night,
- Then partly cloudy and a bit warmer Wednesday.
- highs 56-63 cooling to 60 Tuesday warming to 62 Wednesday lows 42-45. (seasonal averages high 55 low 43)
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Forecast for the Cascades in Lane County:
- Cloudy with rain and snow showers likely (70%) this evening and a slight (20%) chance of isolated thunderstorms, a good (50%) chance of rain showers and snow showers late tonight (0.25 in. of rain possible, 2-5 in. of snow possible),
- Partly cloudy with a slight (20%) chance of rain and snow showers and a bit warmer Thursday, partly cloudy at night,
- Partly cloudy and a bit warmer Friday, becoming mostly cloudy with a slight (20%) chance of rain late Friday night,
- Partly cloudy and a bit cooler with a slight (20%) chance of AM rain and snow showers Saturday, then just mostly clear at night.
- snow level 4,500 ft. tonight, 4,000 ft. Thursday, free air freezing level 7,000 ft. falling to 6,500 ft. Thursday night, 6,000 ft. rising to 7,000 ft. Friday afternoon, snow level 6,000 ft. late Friday night, 4,500 ft. Saturday, then free air freezing level 5,500 ft. Saturday night.
- lows 28-32 cooling back to 28 Saturday night highs 49-56 cooling to 50 Saturday night.
- Partly cloudy and a bit warmer Sunday, mostly clear at night,
- Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
- Partly cloudy with a slight (20%) chance of showers and a bit cooler Tuesday, then partly cloudy Tuesday night and Wednesday (a bit warmer).
- free air freezing level 5,000 ft. Sunday, 7,000 ft. Sunday night, 6,500 ft. Monday, 9,000 ft. Monday night, snow level 6,500 ft. Tuesday, then free air freezing level 9,000 ft. Tuesday night and Wednesday.
- highs 54-57 cooling to 55 Tuesday warming to 58 Wednesday lows 32-36 cooling to 34 Tuesday night.
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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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