Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/06/mother-nature-just-couldnt-wait-for-the-starting-gun/
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Here is my weekly weather quiz question. What is an “Evaporimeter?” 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 down from the Gulf of Alaska and has brought a change in our weather pattern to cloudier, much cooler, and wet. The graphics for days 1-3 show next frontal system that moved through today bringing rain and cooler temperatures. The graphics for days 3-7 show the frontal systems that will approach and then move through the Pacific Northwest Monday through next Friday.
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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 31 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
HEALTH ADVISORIES:
- A FREEZE WATCH IS IN EFFECT FROM LATE SATURDAY NIGHT THROGH SUNDAY MORNING FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A PUBLIC HEALTH ADVISORY IS IN EFFECT 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 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 rain tonight (0.50 in. of rain possible),
- AM showers likely (70%), much cooler with showers and a slight (20%) chance of thunderstorms Saturday afternoon (0.25 in. of rain possible, more in storms), a good (50%) chance of showers and a slight (20%) chance of thunderstorms in the evening, a good (50%) chance of showers late Saturday night (0.10 in. of rain possible, more in storms),
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday (under 0.10 in. of rain possible), a (40%) chance of showers at night (under 0.10 in. of rain possible),
- A slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer Monday afternoon, just partly cloudy Monday night.
- lows 48-45 warming back to 48 Monday night highs 58-72.
- Partly cloudy and a bit warmer Tuesday and Tuesday night,
- Partly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday afternoon and at night,
- A mix of clouds and sun and a bit cooler Thursday with a slight (20%) chance of AM showers, a (30%) chance of afternoon and evening showers, a slight (20%) chance of showers late Thursday night,
- Then a mix of clouds and sun Friday with a slight (20%) chance of AM showers.
- highs 76-72 lows 47-49 cooling back to 47 Thursday night. (seasonal averages high 71 low 47)
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Eugene-Springfield Pollen Count
Grass………. High (50)
Trees………. Low (7)
Last Counted: 6/8/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy with rain likely (70%) this evening, rain late this evening and tonight (0.25 in. of rain possible),
- AM showers likely (70%) Saturday, showers and much cooler with a slight (20%) chance of thunderstorms in the afternoon (0.25 in. of rain possible, more in storms), mostly cloudy with evening showers likely (70%), a good (50%) chance of showers late Saturday night (under 0.10 in. of rain possible),
- Mostly cloudy with a (30%) chance of showers and a bit warmer Sunday (under 0.10 in. of rain possible), a slight (20%) chance of showers at night and Monday AM, becoming mostly sunny and warmer Monday afternoon, partly cloudy with a slight (20%) chance of evening showers, becoming mostly clear late Monday night.
- lows 52-46 warming back to 52 Monday night highs 59-78.
- Mostly sunny and a bit warmer Tuesday, mostly clear at night,
- AM sun, partly cloudy with a slight (20%) chance of a showers and a bit cooler Wednesday afternoon through Thursday, then mostly cloudy and a bit warmer with a slight (20%) chance of showers Thursday night and Friday.
- highs 84-73 warming to 75 Friday lows near 52. (seasonal averages high 74 low 51)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with evening coastal rain and coastal rain likely (70%) late tonight while inland rain tonight (0.25 in. of rain possible),
- AM showers likely (70%), a bit cooler with a showers and a slight (20%) chance of thunderstorms Saturday afternoon (0.25 in. of rain possible), evening showers likely (70%), a good (50%) chance of showers late at night (0.10 in. of rain possible),
- Mostly cloudy and warmer with a (40%) chance of showers Sunday (under 0.10 in. of rain possible), a slight (20%) chance of showers Sunday night (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of showers Monday AM, clearing to mostly sunny and a bit warmer in the afternoon, mostly clear Monday night.
- lows 52-49 warming back to 52 Sunday night and Monday night highs 58-64.
- Mostly sunny and a bit cooler Tuesday, mostly clear at night,
- Partly cloudy Wednesday AM, mostly cloudy with a slight (20%) chance of showers in the afternoon and Wednesday night,
- Mostly cloudy with a slight (20%) chance of showers Thursday AM,partly cloudy with a slight (20%) chance of showers Thursday afternoon and evening, mostly cloudy with a slight (20%) chance of showers late at night,
- A slight (20%) chance of AM showers, then just partly cloudy Friday afternoon.
- highs near 62 lows 52-50. (seasonal averages high 61 low 50)
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Forecast for the Cascades in Lane County:
- Mostly cloudy with rain tonight,
- AM showers, rain and snow showers with a (40%) chance of thunderstorms and much cooler Saturday afternoon (0.25 in. of rain possible, more in storms, 1 in. of snow possible), cloudy with rain and snow showers likely (70%) and a slight (20%) chance of thunderstorms in the evening, a good (50%) chance of rain and snow showers late Saturday night (0.25 in. of rain possible, 1-3 in. of snow possible),
- Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow showers Sunday, a slight (20%) chance of evening showers, a (40%) chance of showers Sunday night,
- A slight (20%) chance of AM showers, then partly cloudy and much warmer Monday afternoon and at night.
- snow level above 8,000 ft. falling to 7,500 ft. late tonight, 5,000 ft. Saturday, 4,500 ft. late Saturday night and Sunday, 6,000 ft. Sunday night, 7,000 ft. Monday, then free air freezing level 13,000 ft. late Monday night.
- lows 38-32 warming to 40 Monday night highs 42-60.
- Partly cloudy and a bit warmer Tuesday and at night,
- Partly cloudy with a slight (20%) chance of showers and a bit cooler with a slight (20%) chance of showers Wednesday through Thursday evening, mostly cloudy with a slight (20%) chance of showers late Thursday night,
- A slight (20%) chance of AM showers otherwise just a mix of clouds and sun and a bit warmer Friday.
- free air freezing level 13,000 ft. Tuesday through Wednesday AM, snow level above 8,000 ft. Wednesday afternoon, above 8,000 ft. falling to 7,000 ft. Wednesday night, 7,000 ft. Thursday through Friday AM, then free air freezing level 8,000 ft. Friday afternoon.
- highs 68-60 warming to 62 Friday lows 40-42.
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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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