Here is my new weekly weather quiz question. What is “Arctic Sea Smoke?” Please remember to post your answer at the bottom of this page. The first person to post the correct answer 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 blue arrows) has taken control of our weather once again. The graphic for days 1-3 shows the front that moved through Oregon and the next one that will push in Friday. The graphic for days 3-7 shows the next complex frontal systems that will be moving into Oregon Sunday into Monday and Wednesday through Thursday. For mountain snow conditions at the local ski areas check out their websites or give them a call.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 13 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 3 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Home Wood Heating Advisory:

Eugene-Springfield: GREEN – Burning is Allowed.

Oakridge: GREEN – Burning is Allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 2 PM FRIDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, NORTHERN AND EASTERN KLAMATH COUNTY,  AND WESTERN LAKE COUNTY.
•  A WIND ADVISORY IS IN EFFECT FROM 2 AM UNTIL 2 PM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, EASTERN AND CENTRAL LAKE COUNTY.
• A FLOOD WARNING IS IN EFFECT FOR THE COLUMBIA RIVER AT VANCOUVER AFFECTING MULTNOMAH COUNTY.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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 (0.25 in. of rain possible) and Friday AM, showers with a slight (20%) chance of thunderstorms and a bit cooler in the afternoon and evening (0.25 in. of rain possible, more in storms), showers likely (70%) late at night (under 0.10 in. of rain possible),
• Mostly cloudy with AM showers likely (70%), a good (50%) chance of showers and a bit cooler Saturday afternoon (0.10 in. of rain possible), a slight (20%) chance of showers in the evening, then just mostly cloudy and a bit cooler late Saturday night,
• Cloudy with a good (50%) chance of rain Sunday AM, rain and a bit cooler in the afternoon and evening, then showers late Sunday night.
• lows 46-40 warming to 44 Sunday night highs 56-53.
• Mostly cloudy with rain likely (70%) and a bit warmer Monday, a (40%) chance of showers at night,
• Mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday, a (30%) chance of rain Tuesday night,
• Mostly cloudy with rain likely (70%) Wednesday, a good (50%) chance of rain at night,
• Then mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday.
• highs 54-56 cooling back to 54 Thursday lows 42-44 cooling back to 44 Wednesday night. (seasonal averages high 58 low 38)

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Eugene-Springfield Pollen Count:

Grass………. Low (0)

Trees………. Moderate (78)

Last Counted: 3/23/17

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Mostly cloudy with rain tonight (0.50 in. of rain possible) and Friday AM, showers likely (70%) with a slight (20%) chance of thunderstorms in the afternoon (0.50 in. of rain possible), cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms in the evening, showers likely (70%) late Friday night (0.10 in. of rain possible),
• Mostly cloudy with a (30%) chance of showers Saturday (0.10 in. of rain possible, snow level 3,000 ft.), a slight (20%) chance of showers Saturday night,
• Mostly cloudy with a good (50%) chance of AM rain, rain Sunday afternoon and evening, then showers likely (70%) late at night.
• lows 44-40 warming back to 44 Sunday night highs near 55.
• Mostly cloudy with showers likely (70%) Monday, a (40%) chance of showers Monday night and Tuesday (a bit warmer), a slight (20%) chance of rain Tuesday night,
• Mostly cloudy and a bit cooler with rain Wednesday, then mostly cloudy with a good (50%) chance of showers Wednesday night and Thursday (a bit cooler).
• highs 55-59 cooling to 54 Thursday lows 43-45 cooling to 42 Wednesday night. (seasonal averages high 59 low 40)

 

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Forecast for The South Central Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy with rain tonight (0.50 in. of rain possible) and breezy (Wind: S 15-25 mph at the shore while S 10-20 mph inland),
• Mostly cloudy with AM coastal showers likely (70%) and a slight (20%) chance of thunderstorms with showers and a slight (20%) chance of thunderstorms and a bit warmer Friday afternoon (0.50 in. of rain possible) and evening while inland AM showers likely (70%) and showers likely (70%) with a slight (20%) chance of thunderstorms in the afternoon (0.50 in. of rain possible), a good (50%) chance of inland evening showers and a slight (20%) chance of thunderstorms, showers likely (70%) late Friday night (0.25 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Saturday and at night,
• Mostly cloudy with rain Sunday and in the evening, then showers likely (70%) late Sunday night.
• lows 47-43 warming back to 47 Sunday night highs 55-53 warming back to 55 Sunday.
• Cloudy and a bit cooler with showers likely (70%) Monday, mostly cloudy with a (40%) chance of showers Monday night and Tuesday, a (30%) chance of rain at night,
• Mostly cloudy and a bit warmer with rain Wednesday, then a good (50%) chance of showers Wednesday night and Thursday.
• highs 55-53 lows 45-47 cooling to 43 Wednesday night. (seasonal averages high 54 low 42)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain and snow tonight (0.50 in. of rain possible, 2-5 in. of snow possible) and Friday AM, rain and snow showers and a bit cooler in the afternoon (0.50 in. of rain possible, 2-5 in. of snow possible), rain and snow showers Friday night,
• Mostly cloudy with AM rain and snow showers, a good (50%) chance of rain and snow showers and a bit cooler Saturday afternoon, a slight (20%) chance of evening rain and snow showers, then just mostly cloudy late Saturday night,
• Cloudy with a good (50%) chance of AM rain and snow, then rain and snow and a bit warmer Sunday and Sunday night.
• snow level 5,000 ft. tonight, 4,500 ft. Friday and Friday night, 4,000 ft. Saturday through Sunday, then 5,500 ft, Sunday night.
• lows 32-28 highs 42-39 warming back to 42 Sunday.
• Mostly cloudy and a bit cooler with rain and snow likely (70%) Monday, a good (50%) chance of rain and snow Monday night through Tuesday night,
• Mostly cloudy with rain likely (70%) and a bit warmer Wednesday, rain and snow likely (70%) Wednesday night,
• Then mostly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Thursday.
• snow level 4,000 ft. Monday, 4,500 ft. Monday night, 4,000 ft. Tuesday, 5,500 ft. Tuesday night, 7,000 ft. Wednesday, 5,000 ft. Wednesday night, then 3,000 ft. Thursday.
• highs 38-43 cooling back to 38 Thursday lows near 27.

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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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