Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/04/it-was-their-month-in-history-but-why-didnt-we-know-about-them/
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Here is my weekly weather quiz question. What is “Differential Motion?” 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 Air High Pressure Ridge (Shaded “Arch” shape with arrows)has moved out and now upper level low pressure takes over sending in storms. The graphics for days 1-3 show the complex next frontal system that is moving in. The graphics for days 3-7 show the frontal systems that will move through the Pacific Northwest Friday and next Sunday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Advisories:
- A HIGH WIND WARNING IS IN EFFECT FROM 4 AM UNTIL 9 AM TODAY NEAR BEACHES AND HEADLANDS FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
- A WIND ADVISORY IS IN EFFECT FROM 2 AM UNTIL 8 PM TUESDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- 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 cloudy with AM rain, a bit cooler with a good (50%) chance of showers this afternoon (0.10 in. of rain possible), a (40%) chance of evening showers, a (40%) chance of ran late tonight (under 0.10 in. of rain possible),
- A bit cooler with rain Wednesday (0.50 in. of rain possible), showers at night (0.25 in. of rain possible),
- Mostly cloudy with showers and a bit cooler Thursday, then showers likely (70%) Thursday night.
- highs 60-50 lows 43-38 warming to 40 Thursday night.
- Cloudy and a bit warmer with a good (50%) chance of rain Friday, mostly cloudy with a (30%) chance of rain at night,
- Mostly cloudy with a slight (20%) chance of rain and a bit warmer Saturday, cloudy with a good (50%) of rain Saturday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Sunday, cloudy with a good (50%) chance of showers Sunday night,
- Then showers likely (70%) and a bit cooler Monday.
- highs 56-62 cooling to 54 Monday lows 40-38. (seasonal averages high 60 low 39)
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Eugene-Springfield Pollen Count
Grass………. Low (0)
Trees………. High (396)
Last Counted: 3/30/18
Data Courtesy of Oregon Allergy Associates.
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Forecast for Roseburg:
- Mostly cloudy and much cooler with a (40%) chance of rain today (under 0.10 in. of rain possible), a (30%) chance of evening showers, a slight (20%) chance of rain late tonight,
- Rain and a bit cooler Wednesday (0.50 in. of rain possible), evening showers, rain and snow showers late at night (0.25 in. of rain possible),
- Mostly cloudy with a rain and snow showers a bit cooler Thursday, then cloudy with a good (50%) chance of showers Thursday night.
- highs 62-52 lows 44-39.
- Cloudy and a bit warmer with a (30%) chance of rain Friday, mostly cloudy with a slight (20%) chance of rain at night and Saturday, a (40%) chance of rain Saturday night and Sunday, a (40%) chance of showers Sunday night,
- Mostly cloudy and a bit cooler with rain and snow showers likely (70%) Monday,
- highs 59-64 cooling to 57 Monday lows 42-40. (seasonal averages high 61 low 41)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler this afternoon (0.10 in. of rain possible), a (40%) chance of evening showers, a (30%) chance of rain late tonight (under 0.10 in. of rain possible),
- Rain and a bit cooler Wednesday (0.75 in. of rain possible), coastal showers with a slight (20%) chance of thunderstorms at night while inland evening showers and a slight (20%) chance of thunderstorms with inland showers late Wednesday night (0.25 in. of rain possible),
- Mostly cloudy with AM showers, showers likely (70%) and a bit cooler Thursday afternoon, then cloudy with a good (50%) chance of showers Thursday night.
- highs 57-52 lows 46-42.
- Cloudy and a bit warmer with a (40%) chance of rain Friday, mostly cloudy and a bit warmer with a slight (20%) chance of rain and a bit warmer at night and Saturday, a good (50%) chance of rain Saturday night,
- Mostly cloudy with rain likely (60%) and a bit cooler Sunday, then showers likely (70%) Sunday night and Monday.
- highs 56-58 cooling to 53 Sunday and Monday lows 44-42. (seasonal averages high 55 low 43)
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Forecast for the Cascades in Lane County:
- Mostly cloudy with AM rain, rain and snow showers likely (70%) and cooler this afternoon (0.25 in. of rain possible), a good (50%) chance of evening rain and snow showers, a good (50%) chance of rain and snow and a bit cooler late tonight,
- Rain and snow and a bit cooler Wednesday (1-4 in. of snow possible), rain and snow showers Wednesday night (3-6 in. of snow possible),
- Mostly cloudy and a bit cooler with snow showers Thursday (3-6 in. of snow possible), then rain and snow showers likely (70%) at night.
- snow level 6,5000 ft. falling to 5,000 ft. this afternoon, 4,000 ft. late tonight and Wednesday, 4,000 ft. falling to 3,000 ft. Wednesday night, 2,000 ft. Thursday, then 3,000 ft. Thursday night.
- highs 45-33 lows 32-25.
- Cloudy and a bit warmer with a good (50%) chance of rain and snow Friday, a slight (20%) chance of rain and snow and a bit warmer Friday night and Saturday, a good (50%) chance of rain and snow at night,
- Mostly cloudy with rain and snow likely (70%) and a bit cooler Sunday, then rain and snow showers likely (70%) and a bit cooler Sunday night and Monday.
- snow level 3,500 ft. Friday, 5,000 ft. Friday night and Saturday, 5,500 ft. Saturday night, 4,000 ft. Sunday, 3,500 ft. Sunday night, then 3,000 ft. Monday.
- highs 42-47 cooling to cooling to 38 Monday lows 29-32 cooling to 26 Sunday 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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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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