Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/04/active-volcanoes-are-all-over-the-earth-but-even-in-space/
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Here is my weekly weather quiz question What is “Doppler Radar?” 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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An Upper Level High Pressure Ridge (Shaded “Arch” shape with arrows) takes over bringing dry and sunny weather at least for a while. The graphics for days 1-3 show the next frontal system moving down from the northwest. The graphics for days 3-7 show the frontal systems that will be affecting the Pacific Northwest from Wednesday through next Monday. An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) will help bring those fronts and the precipitation chance our way by Thursday night continuing through next Monday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 11 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 8 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 tonight,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- AM sun, partly cloudy and much cooler Thursday afternoon, mostly cloudy with a (40%) chance of showers late Thursday night,
- Cloudy with a good (50%) chance of showers and much cooler Friday and Friday night.
- lows 46-49 cooling back to 46 Friday night highs 82-60.
- Cloudy and a bit cooler with with a good (50%) chance of showers Saturday through Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
- A (30%) chance of showers and a bit warmer Monday, a slight (20%) chance of showers at night,
- Then a mix of clouds and a bit warmer with a slight (20%) chance of showers Tuesday.
- highs 58-62 lows 44-39. (seasonal averages high 63 low 40)
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Eugene-Springfield Pollen Count
Grass………. Moderate (8)
Trees………. Very High (819)
Last Counted: 4/24/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy this evening, partly cloudy late tonight,
- Sunny and and warmer Wednesday, mostly clear at night,
- Partly cloudy and a bit cooler Thursday, mostly cloudy in the evening with a (40%) chance of showers and a slight (20%) chance of thunderstorms, a (40%) chance of showers late Thursday night,
- Mostly cloudy and cooler with a (30%) chance of showers Friday and at night.
- lows 52-46 highs 86-60.
- Cloudy with a (40%) chance of showers and a bit cooler Saturday, mostly cloudy with a (%) chance of showers Saturday night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Sunday, a slight (20%) chance of showers Sunday night,
- Mostly cloudy with a slight (20%) chance of showers and a bit warmer Monday and at night,
- Then just partly cloudy and a bit warmer Tuesday.
- highs 60-57 warming to 66 Tuesday lows 45-42. (seasonal averages high 64 low 43)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy this evening, partly cloudy with patchy coastal fog late tonight and Wednesday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy and a bit cooler Thursday, mostly cloudy with a slight (20%) chance of evening thunderstorms, a slight (20%) chance of showers late Thursday night,
- Then mostly cloudy and a bit cooler with a (30%) chance of showers Friday and at night.
- lows 50-48 highs 65-56.
- Cloudy with a (40%) chance of showers and a bit cooler Saturday, mostly cloudy with a (40%) chance of showers Saturday night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Sunday, a slight (20%) chance of showers at night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Monday and Monday night,
- Then partly cloudy Tuesday.
- highs 55-58 lows 46-43. (seasonal averages high 56 low 44)
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Forecast for the Cascades in Lane County:
- Mostly clear tonight,
- Mostly sunny and a bit cooler Wednesday, mostly clear at night,
- AM sun, partly cloudy and a bit cooler Thursday afternoon, mostly cloudy with a (40%) chance of evening showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late Thursday night,
- Mostly cloudy and much cooler with a good (50%) chance of showers Friday, cloudy with a good (50%) chance of showers at night.
- free air freezing level 11,000 ft. tonight, 11,000 ft. rising to 12,000 ft. Wednesday afternoon, 12,000 ft. Wednesday night and Thursday, snow level above 8,000 ft. Thursday night and Friday, then 5,500 ft. Friday night.
- lows 38-43 cooling to 33 Friday night highs 69-52.
- A good (50%) chance of rain and snow showers and a bit cooler Saturday and Saturday a (40%) chance of rain and snow showers at night,
- Cloudy and a bit cooler with a good (50%) chance of rain and snow showers Sunday, a (40%) chance of rain and snow showers Sunday night,
- A mix of clouds and sun and a bit warmer with a (30%) chance of rain and snow showers Monday, mostly cloudy with a (30%) chance of rain and snow showers at night,
- Then a mix of clouds and sun with a slight (20%) chance of rain and snow showers and a bit warmer Tuesday.
- snow level 5,000 ft. Saturday and Saturday night, 4,500 ft. Sunday, 4,000 ft. Sunday night, 3,500 ft. Monday, 4,000 ft. Monday night, then 5,000 ft. Tuesday.
- highs 44-42 warming to 49 Tuesday lows 32-29.
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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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