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 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 Low Pressure Trough (Shaded “U” shape with arrows) is moving closer trying to send storms our way. The graphics for days 1-3 show frontal system coming our way Saturday. The graphics for days 3-7 show the next storm systems that will approach and try to move through the Pacific Northwest Monday through next Friday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 18 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A FLASH FLOOD ADVISORY IS IN EFFECT THROUGH LATE TONIGHT FOR HARNEY COUNTY, BAKER COUNTY, AND MALHEUR COUNTY. UP TO 2 IN. OF RAIN POSSIBLE.
- A FLOOD ADVISORY IS IN EFFECT UNTIL 9:15 PM TONIGHT FOR EASTERN DOUGLAS COUNTY, LAKE COUNTY, AND KLAMATH COUNTY.
HEALTH ADVISORIES:
- THE OREGON HEALTH AUTHORITY HAS ISSUED A HEALTH ADVISORY FOR DETROIT LAKE, LOCATED 46 MILES SE OF SALEM. THE LAKE SPANS BOTH LINN AND MARION COUNTIES. WATER MONITORING HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE AND THE TOXINS THEY PRODUCE IN DETROIT LAKE. PEOPLE SHOULD AVOID SWALLOWING WATER, OR INHALING WATER DROPLETS AS A RESULT OF HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED. ALSO KEEP PETS AWAY FROM THE WATER.
- A PUBLIC HEALTH ADVISORY FOR HIGHER-THAN-NORMAL LEVELS OF BACTERIA IN OCEAN WATERS AT SUNSET BAY STATE PARK BEACH IN COOS COUNTY HAS BEEN CANCELLED. AUTHORITIES SAY IT IS SAFE TO CONTINUE OTHER ACTIVITIES ON THE BEACH THAT DO NOT INCLUDE CONTACT WITH ANY WATER THAT POOLS ON THE BEACH THAT COULD BE CONTAMINATED BY BIRD OR OTHER ANIMAL FECAL MATTER.
- 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 a slight (20%) chance of showers this evening, just mostly cloudy late tonight,
- Mostly cloudy with possible sun peeks Saturday with a slight (20%) chance of afternoon showers, partly cloudy Saturday night,
- Partly cloudy and a bit warmer Sunday, mostly clear at night,
- Partly cloudy in the AM, mostly sunny and a bit warmer Monday afternoon (Memorial Day), mostly clear Monday night.
- lows 45-48 highs 65-74.
- Partly cloudy and a bit cooler Tuesday and at night,
- A mix of clouds and sun and a bit cooler Wednesday, partly cloudy in the evening, mostly cloudy late Wednesday night,
- A mix of clouds and sun and a bit warmer Thursday, then partly cloudy and a bit warmer Thursday night and Friday.
- highs 68-65 warming to 69 Friday lows near 45. (seasonal averages high 69 low 45)
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Eugene-Springfield Pollen Count
Grass………. High (151)
Trees………. Moderate (19)
Last Counted: 5/25/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy with isolated evening showers, just mostly cloudy late tonight and Saturday AM, partly cloudy and a bit warmer Saturday afternoon and at night,
- Partly cloudy in the AM, mostly sunny and a bit warmer Sunday afternoon, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday (Memorial Day), then mostly clear at night.
- lows 47-52 highs 68-77.
- Partly cloudy and a bit cooler Tuesday, mostly clear at night,
- Partly cloudy Wednesday through Thursday night,
- Then Partly cloudy and a bit warmer Friday.
- highs 73-70 warming to 72 Thursday lows near 48. (seasonal averages high 72 low 49)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of isolated coastal showers tonight while a slight (20%) chance of scattered inland showers tonight,
- Mostly cloudy in the AM, partly cloudy and a bit warmer Saturday and Saturday night,
- Partly cloudy Sunday AM, sunny in the afternoon, mostly clear Sunday night,
- Mostly sunny and slightly warmer Monday (Memorial Day), then mostly clear Monday night.
- lows 49-52 highs near 62.
- Partly cloudy Tuesday through Thursday night,
- Then Partly cloudy and a bit warmer Friday.
- highs 60-62 lows near 48. (seasonal averages high 60 low 48)
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Forecast for the Cascades in Lane County:
- Mostly cloudy with evening showers, a slight (20%) chance of showers late tonight (0.10 in. of rain possible),
- Mostly cloudy Saturday AM, just partly cloudy afternoon and Saturday night,
- Partly cloudy and a bit warmer Sunday, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday (Memorial Day), then mostly clear at night.
- snow level above 8,000 ft. tonight, free air freezing level 10,000 ft. Saturday, 12,000 ft. Saturday night and Sunday, then 13,000 ft. Sunday night through Monday night.
- lows 36-42 highs 52-66.
- Mostly sunny Tuesday AM, partly cloudy and a bit cooler in the afternoon, partly cloudy Tuesday night,
- Then partly cloudy and a bit cooler Wednesday and at night,
- Then partly cloudy and a bit warmer Friday.
- free air freezing level 13,000 ft. falling to 12,000 ft. Tuesday afternoon, 12,000 ft. falling to 10,000 ft. Tuesday night, 10,000 ft. falling to 9,000 ft. Wednesday afternoon, 9,000 ft. Wednesday night and Thursday, 9,000 ft. falling to 8,000 ft. late Thursday night, then 8,000 ft. rising to 9,000 ft. Friday afternoon.
- highs 67-56 warming to 59 Thursday lows 42-36.
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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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