Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/05/youve-seen-them-fly-but-did-you-know-they-also-can-sail/
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Here is my new weekly weather quiz question. What is an “Easterly Wave?” 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) has taken over returning the sunshine. An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) will move closer sending storms our way by late in the week. The graphics for days 1-3 show the front that will approach the area Thursday AM. The graphics for days 3-7 show the next storm systems that will approach and try to move through the Pacific Northwest Friday through next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 35 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.
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:
- Mostly sunny and warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
- A mix of clouds and sun and a bit cooler Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, just mostly cloudy late at night,
- AM clouds with a slight (20%) chance of showers, a mix of clouds and sun and slightly warmer Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, then a (40%) chance of showers late at night.
- highs 79-74 lows near 52.
- Mostly cloudy with a (40%) chance of showers and a bit cooler Friday and Friday night,
- A bit cooler with a (30%) chance of showers Saturday, a slight (20%) chance of showers Saturday night,
- AM clouds with a slight (20%) chance of showers, mostly cloudy and a bit warmer Sunday afternoon and at night,
- Then a mix of clouds and sun and a bit warmer Monday (Memorial Day).
- highs 69-67 warming to 72 Monday lows near 48. (seasonal averages high 68 low 44)
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Eugene-Springfield Pollen Count
Grass………. High (146)
Trees………. Moderate (42)
Last Counted: 5/22/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Sunny and a bit warmer this afternoon, mostly clear in the evening, partly cloudy late tonight,
- A slight (20%) chance of thunderstorms Wednesday afternoon and evening, a slight (20%) chance of showers late Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of thunderstorms and a bit warmer Thursday afternoon, a (30%) chance of showers at night.
- highs 83-75 warming to 80 Thursday lows 55-57.
- Mostly cloudy with a (40%) chance of showers and a bit cooler Friday and Friday night,
- A (30%) chance of showers and a bit cooler Saturday and in the evening, a slight (20%) chance of showers at night and Sunday (a bit warmer), then partly cloudy Sunday night and Monday, then partly cloudy and slightly warmer in the afternoon (Memorial Day).
- highs 72-70 warming to 73 Monday lows near 50. (seasonal averages high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny this afternoon, partly cloudy in the evening, mostly cloudy with patchy coastal fog and drizzle tonight while mostly cloudy inland late tonight,
- Mostly cloudy with patchy AM fog, patchy inland drizzle Wednesday AM, a slight (20%) chance of thunderstorms and a bit cooler in the afternoon, patchy drizzle late at night,
- Mostly cloudy with patchy AM drizzle, a bit warmer with a slight (20%) chance of thunderstorms Thursday afternoon, a (30%) chance of showers and a slight (20%) chance of thunderstorms in the evening, a (30%) chance of showers late Thursday night.
- highs 62-60 warming to 63 Thursday lows near 53.
- Mostly cloudy with a (30%) chance of showers and a bit cooler Friday and Friday night,
- Mostly cloudy with a slight (20%) chance of showers Saturday and in the evening, just mostly cloudy late at night,
- Mostly cloudy Sunday AM, partly cloudy and a bit warmer in the afternoon and evening, just mostly cloudy Saturday night and Sunday AM, partly cloudy in the afternoon and Sunday night,
- Partly cloudy Monday AM, then mostly cloudy and a bit warmer in the afternoon (Memorial Day).
- highs 62-64 lows near 50. (seasonal averages high 60 low 48)
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Forecast for the Cascades in Lane County:
- Mostly sunny and a bit warmer this afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late tonight,
- A slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon and evening (0.25 in. of rain possible, more in storms), mostly cloudy with a slight (20%) chance of showers late at night,
- A mix of clouds and sun with a slight (20%) chance of AM showers, a good (50%) chance of showers and thunderstorms and a bit cooler in the afternoon and evening, then a (40%) chance of showers Thursday night with a (40%) chance of evening thunderstorms.
- free air freezing level 12,000 ft. today, snow level above 8,000 ft. tonight through Thursday night.
- highs 69-62 warming to 64 Thursday lows 47-43.
- Mostly cloudy with a (40%) chance of AM showers, a bit cooler Friday with showers likely (70%) and a slight (20%) chance of thunderstorms in the afternoon and evening, a good (50%) chance of showers late Friday night,
- Mostly cloudy with a good (50%) chance of showers Saturday and at night,
- A mix of clouds and sun with a good (50%) chance of showers showers Sunday, shower chance decreasing late afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy Sunday night and Monday AM, then mostly sunny in the afternoon (Memorial Day).
- snow level above 8,000 ft. Friday through Sunday night, then free air freezing level 12,000 ft. Monday.
- highs 58-55 warming to 63 Monday lows near 40.
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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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