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) takes over returning the sunshine. The graphics for days 3-7 show the next storm systems that will approach and try to move through the Pacific Northwest Tuesday through next Saturday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 19 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 35 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 12 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Advisories:
- A FLOOD WARNING IS IN EFFECT FOR THE LOWER COLUMBIA RIVER AT VANCOUVER IN MULTNOMAH COUNTY OREGON AND CLARK COUNTY WASHINGTON.
- 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 this AM, mostly sunny and a bit warmer this afternoon, mostly clear tonight,
- Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- AM clouds, partly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, then just mostly cloudy late at night.
- highs 74-80 cooling to 77 Wednesday lows 47-52.
- A mix of clouds and sun and slightly warmer Thursday, partly cloudy Thursday night,
- Partly cloudy with a (40%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Friday afternoon and evening, a (40%) chance of showers late at night,
- A mix of clouds and sun and a bit cooler with a (30%) chance of showers Saturday and a slight (20%) chance of afternoon thunderstorms, then mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Saturday night and Sunday (a bit cooler).
- highs 78-72 lows near 52. (seasonal averages high 68 low 44)
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Eugene-Springfield Pollen Count
Grass………. High (59)
Trees………. Moderate (54)
Last Counted: 5/19/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Partly cloudy this AM, sunny and a bit warmer this afternoon, mostly clear tonight,
- Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
- Partly cloudy Wednesday AM, mostly cloudy and a bit cooler with a slight (20%) chance of thunderstorms in the afternoon and Wednesday night.
- highs 77-84 cooling to 79 Wednesday lows 52-56.
- Mostly cloudy with a slight (20%) chance of thunderstorms and a bit warmer Thursday through Saturday evening, a slight (20%) chance of showers late Saturday night and Sunday AM, then a slight (20%) chance of afternoon thunderstorms.
- highs 82-72 lows 56-52. (seasonal averages high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this AM, sunny and a bit warmer this afternoon, mostly clear tonight,
- Partly cloudy in the AM, sunny and a bit cooler Tuesday afternoon, mostly cloudy at the shore at night while mostly clear in the evening inland and partly cloudy with patchy inland fog late Tuesday night,
- Mostly cloudy with patchy fog and drizzle Wednesday AM, mostly cloudy in the afternoon, then just mostly cloudy at night.
- highs 62-60 lows near 52.
- Mostly cloudy and a bit warmer Thursday and at night,
- Mostly cloudy with a (30%) chance of thunderstorms and a bit cooler Friday and Friday night,
- Mostly cloudy Saturday with a slight (20%) chance of AM showers, just mostly cloudy Saturday afternoon and at night,
- Then mostly cloudy Sunday with a slight (20%) chance of afternoon thunderstorms.
- highs 66-63 lows near 52. (seasonal averages high 59 low 48)
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Forecast for the Cascades in Lane County:
- Mostly sunny and warmer today, mostly clear tonight,
- Mostly sunny and a bit warmer Tuesday, partly cloudy with a slight (20%) chance of showers late Tuesday night,
- Partly cloudy with a slight (20%) chance of showers Wednesday AM, showers likely (70%) with a slight (20%) chance of thunderstorms and a bit cooler in the afternoon and evening, mostly cloudy with a good (50%) chance of showers late at night.
- free air freezing level 11,000 ft. today, 12,000 ft. tonight and Tuesday, snow level above 8,000 ft. Tuesday night through Wednesday night.
- highs 66-69 cooling back to 66 Wednesday lows 42-48 cooling to 45 Wednesday night.
- A mix of clouds and sun and slightly cooler with a (40%) chance of showers Thursday and a slight (20%) chance of thunderstorms and a bit cooler in the afternoon and evening, partly cloudy late Thursday night,
- A mix of clouds and sun with a good (50%) chance of showers and a bit cooler Friday with a slight (20%) chance of thunderstorms in the afternoon and evening, just mostly cloudy late Friday night,
- A mix of clouds and sun with a good (50%) chance of showers Saturday with a slight (20%) chance of thunderstorms in the afternoon, showers likely (70%) with a slight (20%) chance of thunderstorms at night,
- Mostly cloudy with AM showers likely (70%) and a slight (20%) chance of thunderstorms, then a good (50%) chance of showers and a bit cooler Sunday afternoon.
- snow level above 8,000 ft. Thursday through Sunday,
- highs 65-62 lows 43-46.
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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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