Here is my 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.  The graphic for days 3-7 shows the next complex frontal systems that will be moving into Oregon Tuesday through Saturday. 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 6 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 1 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 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 showers with a slight (20%) chance of thunderstorms this evening, showers late tonight (0.10 in. of rain possible),
• Mostly cloudy with AM showers likely (70%), a good (50%) chance of showers and a bit warmer Saturday afternoon (under 0.10 in. of rain possible), just mostly cloudy and a bit cooler late at night,
• Mostly cloudy and a bit cooler with rain Sunday (0.25 in. of rain possible), showers Sunday night (0.25 in. of rain possible),
• Mostly cloudy with showers likely (70%)  and a bit warmer Monday, then a good (50%) chance of showers at night.
• lows 42-38 warming to 44 Sunday night highs 55-50 warming to 54 Monday.
• Cloudy and a bit warmer with a (40%) chance of rain Tuesday, rain likely (70%) Tuesday night,
• Mostly cloudy with rain and a bit cooler Wednesday, showers likely (70%) at night,
• Then mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
• Then a mix of clouds and sun and a bit warmer Friday.
• highs 57-55 warming to 60 Friday lows 47-39. (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:

• Cloudy with showers likely (70%) and a slight (20%) chance of thunderstorms this evening, showers likely (70%) late tonight (0.25 in. of rain possible, snow level (3,500 ft. lat at night),
• Mostly cloudy with a (30%) chance of showers Saturday (0.10 in. of rain possible, snow level 2,500 ft. rising to 3,000 ft.), a slight (20%) chance of rain late Saturday night (under 0.10 in. of rain possible),
• Mostly cloudy and a bit warmer with AM rain (0.25 in. of rain possible) likely (70%) Sunday (AM snow level 3,000 ft.), rain in the evening, showers likely (70%) late at night (0.25 in. of rain possible),
• Cloudy with a (40%) chance of showers Monday, then a slight (20%) chance of showers Monday night.
• lows near 42 highs near 55.
• Mostly cloudy with a (40%) chance of showers and a bit warmer Tuesday, a (30%) chance of rain Tuesday night,
• Mostly cloudy and a bit cooler with rain Wednesday, mostly cloudy with a good (50%) chance of showers Wednesday night,
• Cloudy with a good (50%) chance of showers and a bit cooler Thursday, a slight (20%) chance of showers at night,
• Then just mostly cloudy and a bit warmer Friday.
• highs 59-55 warming back to 59 Friday lows 46-40. (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 showers and a slight (20%) chance of evening thunderstorms, coastal showers likely (70%) late tonight while inland showers late tonight (0.25 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Saturday (under 0.10 in. of rain possible), a slight (20%) chance of rain late at night (under 0.10 in. of rain possible),
• Mostly cloudy with AM coastal rain while a good (50%) chance of inland AM rain and a bit warmer Sunday (0.25 in. of rain possible) and breezy (Wind: S 10-15 mph increasing to S 15-25 mph in the afternoon at the shore while SE 10-15 mph inland), showers Sunday night (0.25 in. of rain possible),
• Cloudy with AM showers likely (70%), a bit cooler with a good (50%) chance of showers Monday afternoon, then a (40%) chance of showers Monday night.
• lows 44-46 highs 53-55.
• Mostly cloudy and a bit warmer with a (40%) chance of showers Tuesday, cloudy a good (30%) chance of rain at night,
• Cloudy and a bit cooler with rain Wednesday, mostly cloudy with a good (50%) chance of showers Wednesday night and Thursday (a bit cooler), then a slight (20%) chance of showers Thursday night and Friday (a bit warmer).
• highs 56-54 warming to 57 Friday lows 49-43 . (seasonal averages high 54 low 42)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain and snow showers tonight (0.25 in. of rain possible, 2-5 in. of snow possible),
• Mostly cloudy with AM rain and snow showers, a good (50%) chance of rain and snow showers Saturday afternoon (0.10 in. of rain possible, 2 in. of snow possible), a slight (20%) chance of evening rain and snow showers, then just mostly cloudy late Saturday night,
• Cloudy with rain and snow and a bit warmer Sunday and in the evening, rain and snow showers late Sunday night,
• Mostly cloudy with rain and snow showers likely (70%) Monday, then a good (50%) chance of rain and snow showers Monday night.
• snow level 4,500 ft. tonight, 4,000 ft. Saturday through Sunday, 4,500 ft, Sunday night, 3,500 ft. Monday, then 4,000 ft. Monday night.
• lows 29-26 warming to 30 Sunday night cooling to 27 Monday night highs near 40.
• Mostly cloudy and a bit warmer with a (40%) chance of rain and snow Tuesday, rain and snow likely (70%) Tuesday night,
• Mostly cloudy with rain and a bit warmer Wednesday, rain likely (70%) Wednesday night,
• Rain and snow showers likely (70%) Thursday, partly cloudy with a (30%) chance of rain and snow showers at night,
• Then a mix of clouds and sun and a bit warmer Friday.
• snow level 3,500 ft. Tuesday, 5,500 ft. Tuesday night, 7,000 ft. Wednesday, 6,500 ft. Wednesday night, 4,000 ft. Thursday and Thursday night, then free air freezing level 5,000 ft. Friday.
• highs 45-47 cooling to 42 Thursday warming to 44 Friday lows 35-26.

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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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