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 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) is moving 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 Saturday through next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 29 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 25 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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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. WATER SAMPLES INDICATE HIGHER-THAN-NORMAL LEVELS OF FECAL BACTERIA, WHICH CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN. AUTHORITIES SAY IT IS SAFE TO CONTINUE OTHER ACTIVITIES ON THE BEACH THAT DO NOT INCLUDE CONTACT WITH WATER. THIS ADVISORY DOES NOT AFFECT OTHER NEIGHBORING BEACHES.
- 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 tonight,
- Mostly cloudy and a bit warmer Thursday and Thursday night,
- A slight (20%) chance of showers and a bit cooler Friday and in the evening, mostly cloudy late at night,
- A mix of clouds and sun and a bit cooler Saturday, mostly cloudy in the evening, then partly cloudy late Saturday night.
- lows 52-54 cooling to 45 Saturday night highs 73-65.
- Partly cloudy and a bit warmer Sunday and at night,
- Partly cloudy and a bit warmer Monday (Memorial Day) through Tuesday, partly cloudy Tuesday night,
- Then partly cloudy and a bit cooler Wednesday.
- highs 72-74 cooling back to 72 Wednesday lows 48-46. (seasonal averages high 68 low 45)
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Eugene-Springfield Pollen Count
Grass………. High (143)
Trees………. Moderate (45)
Last Counted: 5/23/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy with a slight (20%) chance of scattered thunderstorms this evening, a slight (20%) chance of isolated late evening thunderstorms, a (30%) chance of isolated showers late tonight,
- Mostly cloudy with a (30%) chance of scattered thunderstorms and a bit warmer Thursday afternoon and evening, a (30%) chance of isolated showers late at night (under 0.10 in. of rain possible),
- Cloudy with a (40%) chance of AM showers, a (40%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Friday afternoon and evening (0.10 in. of rain possible), a slight (20%) chance of showers late Friday night and Saturday AM, partly cloudy and a bit warmer Saturday afternoon, then mostly cloudy Saturday night.
- lows 54-49 highs 76-66 warming to 69 Saturday.
- Mostly cloudy and a bit warmer Sunday, party cloudy at night,
- Partly cloudy and a bit warmer Monday (Memorial Day) and Monday night,
- Then partly cloudy and a bit cooler Tuesday through Wednesday.
- highs 76-78 cooling to 73 Wednesday lows 50-52 cooling back to 50 Tuesday night. (seasonal averages high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with isolated evening thunderstorms, areas coastal fog with patchy drizzle late tonight while a (30%) chance of inland showers late tonight,
- Mostly cloudy with patchy AM drizzle, mostly cloudy a bit warmer with a slight (20%) chance of isolated inland thunderstorms Thursday afternoon and evening, isolated showers late at night (under 0.10 in. of rain possible),
- A (30%) chance of showers and a bit cooler Friday (under 0.10 in. of rain possible), a slight (20%) chance of evening showers, just mostly cloudy late at night,
- Then mostly cloudy a bit warmer Saturday and Saturday night.
- lows 52-50 highs 63-59 warming to 62 Saturday
- Mostly cloudy and a bit warmer Sunday, partly cloudy Sunday night,
- Then partly cloudy Monday (Memorial Day) through Wednesday,
- highs near 62 lows 52-49. (seasonal averages high 60 low 48)
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Forecast for the Cascades in Lane County:
- Mostly cloudy with a good (50%) chance of scattered showers and isolated thunderstorms this evening, a good (50%) chance of showers late tonight (0.25 in. of rain possible, more in storms),
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) with a slight (20%) chance of thunderstorms and a bit cooler Thursday afternoon and evening (0.25 in. of rain possible, more in storms), a slight (20%) chance of showers late Thursday night,
- Mostly cloudy and a bit cooler with showers likely (70%) Friday, cloudy with evening showers likely (70%), a good (50%) chance of showers and colder late Friday night,
- Mostly cloudy with a slight (20%) chance of AM showers, just partly cloudy Saturday afternoon and at night.
- snow level above 8,000 ft. tonight through Friday night, 7,500 ft. Saturday, free air freezing level 11,000 ft. rising to 12,000 ft. Saturday afternoon, then 10,000 ft. rising to 11,000 ft. Saturday night.
- lows 45-36 highs 63-52.
- Partly cloudy and a bit warmer Sunday and Sunday night,
- Mostly sunny and a bit warmer Monday (Memorial Day), mostly clear at night,
- mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- Then partly cloudy and a bit cooler Wednesday.
- free air freezing level 11,000 ft. rising to 12,000 ft. Sunday afternoon, 12,000 ft. Sunday night and Monday, 12,000 ft. rising to 13,000 ft. Monday night, 13,000 ft. falling to 12,000 ft. late Tuesday afternoon, 12,000 ft. Tuesday night, then 12,000 ft. falling to 11,000 ft. Wednesday afternoon.
- highs 62-66 cooling back to 62 Wednesday 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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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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