Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/06/this-one-burned-up-but-what-about-the-next-one/
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Here is my weekly weather quiz question. What is the “Exosphere?” 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 eastward and will slowly drag across the Pacific Northwest. We’ll start with clearing and warming then the low will bring back a few more clouds. The graphics for days 3-7 show the weak surface disturbances that will approach and then move through the Pacific Northwest Saturday through next Wednesday then a front is seen offshore Thursday morning.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 22 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 18 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:
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY HAS BEEN ISSUED FOR DORENA RESERVOIR, LOCATED 6 MILES EAST OF COTTAGE GROVE IN LANE COUNTY. WATER MONITORING HAS CONFIRMED THE PRESENCE OF HARMFUL ALGAE ABOVE OREGON HEALTH AUTHORITY RECREATIONAL VALUES FOR CELL COUNTS. HARMFUL ALGAE AT THIS LEVEL ARE LIKELY TO BE ASSOCIATED WITH CYANOTOXIN CONCENTRATIONS THAT CAN BE HARMFUL TO HUMANS AND ANIMALS. RECREATIONAL VISITORS ARE ADVISED TO ALWAYS BE ALERT TO SIGNS OF HARMFUL ALGAE AND AVOID AREAS WITH VISIBLE SCUM THAT LOOKS FOAMY, THICK LIKE PAINT, PEA-GREEN, BLUE-GREEN, OR BROWNISH, OR WHERE SMALL BRIGHT-GREEN CLUMPS ARE FLOATING IN THE WATER. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED.
- A PUBLIC HEALTH ADVISORY HAS LIFTED FOR DETROIT LAKE, LOCATED 46 MILES SE OF SALEM. THE LAKE SPANS BOTH LINN AND MARION COUNTIES. WATER MONITORING HAS CONFIRMED LEVEL OF THE TOXINS IN DETROIT LAKE IS BELOW RECREATIONAL GUIDELINES. THE DRINKING WATER ADVISORY FOR VULNERABLE POPULATIONS REMAINS IN PLACE UNTIL FURTHER NOTICE. FOR MORE INFORMATION ON SALEM’S WATER ADVISORY GO TO HTTP://WWW.CITYOFSALEM.NET.
- 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 and a bit warmer today and tonight,
- AM clouds and sun Saturday, mostly sunny and a bit warmer in the afternoon, partly cloudy Saturday night,
- AM clouds, mostly sunny and a bit warmer Sunday, mostly clear at night.
- highs 72-86 lows 48-53.
- Mostly sunny and slightly cooler Monday, mostly clear Monday night,
- Mostly sunny and a bit warmer Tuesday, mostly clear at night,
- Mostly sunny Wednesday, then partly cloudy Wednesday night,
- Then partly cloudy and a bit cooler Thursday.
- highs 85-87 cooling to 84 Thursday lows near 56. (seasonal averages high 73 low 48)
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Eugene-Springfield Pollen Count
Grass………. High (194)
Trees………. Low (6)
Last Counted: 6/15/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Mostly cloudy this AM, partly cloudy and slightly warmer this afternoon and evening, mostly cloudy with patchy drizzle late tonight and Saturday AM, mostly sunny and a bit warmer, mostly clear with a slight (20%) chance of thunderstorms in the evening, mostly cloudy late at night,
- Partly cloudy Sunday AM, mostly sunny and a bit warmer in the afternoon, mostly clear with a slight (20%) chance of evening thunderstorms, then just mostly clear late Sunday night.
- highs 74-83 lows 52-58.
- Mostly sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit warmer Tuesday, clear in the evening, partly cloudy late Tuesday night,
- Partly cloudy and slightly cooler with a slight (20%) chance of thunderstorms Wednesday and at night,
- Partly cloudy Thursday AM, then sunny but a bit cooler Thursday afternoon.
- highs 86-92 cooling to 87 Thursday lows 59-62. (seasonal averages high 76 low 52)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy this AM, partly cloudy and slightly warmer this afternoon, mostly clear this evening, mostly cloudy late tonight and Saturday AM, mostly sunny and a bit warmer in the afternoon, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy in the AM, mostly sunny and a bit warmer Sunday afternoon, then clear Sunday night.
- highs 64-72 lows 53-56.
- Sunny and a bit cooler Monday, clear at night,
- Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy late Tuesday night,
- Partly cloudy Wednesday and at night,
- AM partly cloudy, then mostly sunny and a bit cooler Thursday.
- highs 68-72 cooling to 67 Thursday lows near 56. (seasonal averages high 62 low 51)
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Forecast for the Cascades in Lane County:
- Partly cloudy this AM, mostly sunny and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy with a slight (20%) chance of showers late tonight,
- A slight (20%) chance of showers Saturday AM, partly cloudy and a bit warmer with a (40%) chance of showers and thunderstorms in the afternoon, partly cloudy with good (50%) chance of evening showers and thunderstorms, a good (50%) chance of showers late at night,
- Partly cloudy with a good (50%) chance of showers Sunday AM, a bit warmer with a good (50%) chance of showers and thunderstorms in the afternoon and evening, partly cloudy with a slight (20%) chance of showers late Sunday night.
- free air freezing level 11,000 ft. today, snow level 7,000 ft. tonight and Saturday, then above 8,000 ft. Saturday night through Sunday night.
- highs 60-67 lows 38-44.
- Partly cloudy with a slight (20%) chance of showers and a bit cooler Monday and in the evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- AM sun, partly cloudy with a slight (20%) chance of showers and thunderstorms Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, a slight (20%) chance of showers late at night,
- Partly cloudy with a slight (20%) chance of AM showers, then mostly sunny with a slight (20%) chance of showers and thunderstorms Thursday afternoon.
- snow level above 8,000 ft. Monday and Monday evening, free air freezing level 12,000 ft. Monday night through Tuesday night, then snow level above 8,000 ft. Wednesday through Thursday.
- highs 65-72 lows near 50.
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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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