Here is my weekly weather quiz question for the last time. What is “Lake Effect Snow? Here is the correct answer.  Lake Effect Snow is snow showers that are created when cold, dry air passes over a large warmer lake, such as one of the Great Lakes, and picks up moisture and heat.

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An Upper Level High Pressure Ridge (“Arch” shape) is moving and will push frontal systems our way. The graphics for days 1-3 show the cold front that will move through the Pacific Northwest today and the next one behind it Monday. The graphics for days 3-7  Wednesday through next Monday show the continuing series of complex frontal systems that will slide into the Pacific Northwest through the period.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 20 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 6 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

• A FLOOD ADVISORY IS IN EFFECT DUE TO SNOW MELT UNTIL 3 PM MONDAY FOR HARNEY COUNTY.

HEALTH ADVISORIES:

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

• Mostly cloudy with AM rain, showers and a bit warmer, some sun peeks, with a slight (20%) chance of afternoon thunderstorms (0.25 in. of rain possible, more in storms), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a (20%) chance of showers late tonight (under 0.10 in. of rain possible, more in storms),
• Mostly cloudy with AM rain, showers and cooler with a slight (20%) chance of thunderstorms Monday afternoon and evening (0.25 in. of rain possible), then showers likely (70%) late Monday night (0.10 in. of rain possible),
• Then mostly cloudy with showers Tuesday and Tuesday night,
• highs 53-50 lows 39-36 warming to 38 Monday night.
• Mostly cloudy with showers a Wednesday, evening showers likely (70%), a good (50%) chance of showers late at night,
• Mostly cloudy and a bit warmer with showers likely (70%) Thursday, a (30%) chance of evening showers, a slight (20%) chance of showers late at night,
• Mostly cloudy with a (30%) chance of AM showers, just mostly cloudy and a bit warmer Friday afternoon, mostly cloudy w ith a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers Friday night,
• Clouds and sun with a slight (20%) chance of AM showers, then a (40%) chance of showers and a bit warmer Saturday afternoon.
• highs 50-60 lows 37-42. (seasonal averages high 61 low 40)

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Home Wood Heating Advisory:

Posted Daily

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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Eugene-Springfield Pollen Count:

Forecast for the Umpqua Valley including Roseburg:

• Mostly cloudy with AM rain, showers with a slight (20%) chance of thunderstorms and a bit cooler this afternoon (0.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), a good (50%) chance evening showers, snow showers and a slight (20%) chance of thunderstorms,  a good (50%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft. late tonight),
• Mostly cloudy with AM rain and snow showers likely (70%), showers with a slight (20%) chance of thunderstorms and a bit cooler Monday afternoon, evening rain and snow showers, then showers and snow showers likely (70%) with a slight (20%) chance of thunderstorms late Monday night,
• Mostly cloudy with AM showers, snow showers and a slight (20%) chance of thunderstorms Tuesday afternoon, evening rain and snow showers, then rain and snow showers likely (70%) late Tuesday night.
• highs 55-52 lows 42-37.
• Mostly cloudy with AM rain and snow showers, showers and snow showers likely (70%) likely with a slight (20%) chance of thunderstorms Wednesday afternoon, a (40%) chance of rain and snow showers Wednesday night,
• Mostly cloudy and a bit warmer with a (40%) chance of rain and snow showers Thursday, a (30%) chance of showers Thursday night with widespread frost late,
• Mostly cloudy with a slight (20%) chance of showers and a bit warmer Friday, a slight (20%) chance of showers Friday night,
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Saturday.
• highs 52-62 lows 38-43. (seasonal averages high 63 low 42)

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

• Mostly cloudy with AM rain, coastal showers likely (70%) with a slight (20%) chance of thunderstorms and a bit warmer this afternoon while inland showers and a slight (20%) chance of thunderstorms this afternoon (under 0.10 in. of rain possible), a slight (20%) chance of evening coastal showers and thunderstorms while a (30%) chance of inland showers and a slight (20%) chance of  a good (50%) chance of showers late tonight (under 0.10 in. of rain possible, snow level 2,000 ft.),
• Mostly cloudy with AM showers, showers and a bit cooler Monday with a slight (20%) chance of afternoon thunderstorms (0.10 in. of rain possible), evening showers with a slight (20%) chance of thunderstorms, coastal showers likely (70%) with a slight (20%) chance of thunderstorms late at night while inland showers and snow showers likely (70%) with a slight (20%) chance of thunderstorms late Monday night (0.25 in. of rain possible),
• Mostly cloudy with AM showers, snow showers, showers land a slight (20%) chance of thunderstorms, showers and a bit warmer with a slight (20%) chance of thunderstorms Tuesday afternoon, evening showers, rain and snow showers likely (70%) late Tuesday night.
• highs 54-50 warming to 52 Tuesday lows 39-36.
• Mostly cloudy with AM rain and snow showers likely (70%), a good (50%) chance of showers Wednesday afternoon, a (40%) chance of showers Wednesday night,
• Mostly cloudy and a bit warmer with a (50%) chance of showers Thursday and at night,
• Mostly cloudy with a slight (20%) chance of showers and a bit warmer Friday , a slight (20%) chance of showers Friday night,
• Then mostly cloudy with a slight (20%) chance of showers Saturday.
• highs 53-27 lows 38-42. (seasonal averages high 57 low 44)

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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

• Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow showers and a bit cooler with a slight (20%) chance of thunderstorms this afternoon, snow and rain showers tonight (0.25 in. of rain possible, 2 in. of snow possible),
• Mostly cloudy with AM snow, snow and rain showers and cooler Monday afternoon and breezy (Pass Wind: S 10-15 mph gusts to 30 mph increasing and shifting to SW 20-25 mph gusts to 40 mph in the afternoon), snow showers Monday night (moderate accumulation expected),
• Mostly cloudy with snow snow showers and a bit cooler Tuesday, then snow showers Tuesday night,
• snow level 4,500 ft. today, 2,500 ft. tonight and Monday, 1,500 ft. Monday night, then 2,000 ft. Tuesday and Tuesday night.
• highs 43-33 lows 26-22.
• Mostly cloudy with snow showers Wednesday, evening snow showers likely (70%), a good (50%) chance of snow showers late Wednesday night,
• Mostly cloudy with AM snow showers likely (70%), rain and snow showers and a bit warmer Thursday afternoon, a good (50%) chance of rain and snow showers at night,
• A mix of clouds and sun with a (30%) chance of rain and snow showers and a bit warmer Friday, partly cloudy with a slight (20%) chance of rain and snow showers Friday night,
• Mostly cloudy with a (40%) chance of AM snow showers, then a mix of clouds and sun and a bit warmer with a (40%) chance of showers Saturday afternoon.
• snow level 2,000 ft. Wednesday, 2,5009 ft. Wednesday night, 3,000 ft. Thursday, 4,000 ft. Thursday night, 4,500 ft. Friday, 5,000 ft. Friday night, then 5,500 ft. Saturday.
• highs 33-45 lows  23-29.

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For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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