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Check out my latest Eugene Daily News Weather Or Not Column Talks Too Much?

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And don’t forget my latest feature story in the continuing series on service club organizations called “Assistance” Is Their First Name.

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No winner this week. Here is my weekly weather quiz question for the last time. What is “tailwater height?” Here is the correct answer. Tailwater Height in hydrologic terms is the height of water immediately downstream of the dam. I’ll have a new weekly weather quiz question starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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A strong upper level low (Shaded “U” shape with blue arrows) sent a frontal system through the Pacific Northwest and another frontal system (shown offshore) will bring the warm front Sunday followed by the cold front by Monday. The low will also move eastward. Remember Daylight Saving Time ends officially at 2:00 AM Sunday so you’ll have to “Fall Back” by turning your clock back one hour at bedtime tonight. The Fire Department suggests you check the battery status of your smoke alarms and CO2 detectors to make sure they are in good working order.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 50 in the Good category measuring Particulate Matter at HWY 99, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 23 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 8 AM SUNDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE IN WILLOW CREEK RESERVOIR IN MORROW COUNTY, WICKIUP RESERVOIR IN DESCHUTES COUNTY, 40 MILES SW OF BEND, FOR TENMILE LAKES IN COOS COUNTY, AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly cloudy with isolated showers this evening, just mostly cloudy with patchy fog late tonight,
• Mostly cloudy with patchy fog and a slight (20%) chance of AM rain, a good (50%) chance of rain Sunday afternoon (under 0.10 in. of rain possible), rain Sunday night (0.15 in. of rain possible at night, 0.10 in. of rain possible Monday, 0.45 in. of rain possible Monday night) through Tuesday, then rain likely (70%) Tuesday night.
• lows 44-50 highs 57-60 cooling to 58 Tuesday.
• Mostly cloudy with a (30%) chance of rain Wednesday, a slight (20%) chance of rain Wednesday night,
• Rain Thursday, a good (50%) chance of showers at night,
• Mostly cloudy with (40%) chance of showers Friday, partly cloudy with a slight (20%) chance of showers Friday night,
• Then just mostly cloudy Saturday.
• highs 64-59 lows 50-46. (seasonal averages high 57 low 39).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a slight (20%) chance of showers this evening with patchy fog late tonight (under 0.10 in. of rain possible),
• Patchy AM fog, mostly cloudy with a slight (20%) chance of rain Sunday, cloudy with evening rain likely (70%), a (30%) chance of rain late Sunday night (under 0.10 in. of rain possible),
• Cloudy with a (40%) chance of rain Monday (under 0.10 in. of rain possible), rain at night (0.20 in. of rain possible) and Tuesday AM, rain likely (70%) in the afternoon, cloudy with a (40%) chance of rain Tuesday night.
•  lows 43-53 highs 60-63.
• Mostly cloudy with a slight (20%) chance of showers and a bit warmer Wednesday, a slight (20%) chance of rain at night,
• A good (50%) chance of rain Thursday, a (40%) chance of showers Thursday night,
• Partly cloudy with a slight (20%) chance of showers Friday, then just partly cloudy Friday night and Saturday.
• highs 72-62 warming to 65 Saturday lows 54-48. (seasonal averages high 59 low 42)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy with a slight (20%) chance of showers this evening, just mostly cloudy late tonight,
• Mostly cloudy with a slight (20%) chance of rain Sunday (under 0.10 in. of rain possible), cloudy with coastal rain in the evening while evening rain likely (70%) inland, a (40%) chance of rain late Sunday night (0.20 in. of rain possible),
• Cloudy with a (40%) chance of rain Monday (under 0.10 in. of rain possible), inland rain likely (70%) in the evening and rain late while coastal rain Monday night (0.30o in. of rain possible),
• Rain Tuesday AM, rain likely (60%) in the afternoon, cloudy with a good (50%) chance of rain Tuesday night.
• lows 46-56 highs 60-62 cooling back to 60 Tuesday.
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday, a slight (20%) chance of rain Wednesday night,
• Mostly cloudy with rain likely (70%) Thursday, a (30%) chance of showers at night,
• Mostly cloudy with a slight (20%) chance of showers Friday, then partly cloudy Friday night and Saturday.
• highs 64-60 lows 56-53. (seasonal averages high 58 low 45)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a slight (20%) chance of rain and snow showers  tonight (under 0.10 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of rain and snow Sunday, rain Sunday night through Tuesday, then rain likely (70%) Tuesday night.
• snow level 4,500 ft. tonight, 4,000 ft. rising to 5,500 ft. Sunday afternoon, 6,500 ft. Sunday night, 7,000 ft. Monday, 7,500 ft. Monday night, then above 8,000 ft. Tuesday and Tuesday night.
• lows 28-39 highs near 45.
• Mostly cloudy with a slight (20%) chance of showers Wednesday, just mostly cloudy at night,
• Mostly cloudy with a good (50%) chance of rain Thursday, a (40%) chance of showers Thursday night,
• A mix of clouds and sun with a (40%) chance of showers Friday, then just partly cloudy Friday night and Saturday.
• snow level above 8,000 ft. Wednesday, free air freezing level 12,000 ft. Wednesday night, snow level above 8,000 ft. Thursday, 7,500 ft. Thursday night, 8,000 ft. Friday, free air freezing level 10,000 ft. Friday night, then 13,000 ft. Saturday.
• highs 56-48 warming to 52 Saturday lows 42-37.

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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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