Here is my weekly weather quiz question. What is “The International Date Line?

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An Upper Level Low Pressure Trough (“U “shape) moves in to return moisture and another frontal system. The graphics for days 1-3 show the frontal system moving into the Pacific Northwest. The graphics for days 3-7 show more frontal activity moving our way Monday through next Friday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 35 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 75 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 39 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

NOTE: Outdoor burning remains temporarily prohibited for the following areas: Eugene-Springfield, Florence, Lowell, Oakridge and UGB, and Springfield and UGB.

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

• Mostly cloudy and cooler with showers likely (70%) today (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late tonight (under 0.10 in. of rain possible),
• Partly cloudy and a bit cooler Saturday, partly cloudy at night,
• Partly cloudy and a bit warmer Sunday, then mostly cloudy with a good (50%) chance of rain Sunday night.
• highs 50-47 warming back to 50 Sunday lows 34-29 warming to 38 Sunday night.
• Mostly cloudy with rain and a bit cooler Monday, snow likely (70%) with rain Monday night (snow level 1,000 ft.),
• Mostly cloudy with AM showers and snow showers likely (70%), showers likely (70%) and a bit cooler Tuesday afternoon (snow level 500 ft.), partly cloudy with a slight (20%) chance of evening rain and snow showers, partly cloudy with a slight (20%) chance of evening rain and snow showers at night (snow level 500 ft.),
• Partly cloudy and a bit warmer with a slight (20%) chance of rain Wednesday afternoon (snow level 500 ft.), a slight (20%) chance of showers Wednesday night,
• Then mostly cloudy and a bit warmer with a g00d (50%) chance of showers Thursday.
• highs 45-42 warming to 48 Thursday lows 32-24 warming to 26 Wednesday night. (seasonal averages high 51 low 35)

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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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Forecast for the Umpqua Valley including Roseburg:

• Mostly cloudy with rain likely (70%) and cooler today (under 0.10 in. of rain possible, snow level 3500 ft. falling to 3,000 ft. this afternoon), mostly cloudy with a (30%) chance of evening rain, just mostly cloudy late tonight (under 0.10 in. of rain possible),
• Mostly cloudy start, partly cloudy and a bit cooler Saturday afternoon, partly cloudy in the evening, mostly cloudy late at night,
• AM clouds, sunny and a bit warmer Sunday afternoon, partly cloudy with a (20%) chance of evening rain, then mostly cloudy with a (20%) chance of rain late Sunday night.
• highs 50-48 warming to 55 Sunday lows 36-33 warming to 38 Sunday night.
• Mostly cloudy with a good (50%) chance of AM rain, rain and snow and a bit cooler Monday afternoon, evening rain and snow, then rain and snow showers late Monday night,
• Mostly cloudy with rain and snow showers and a bit cooler Tuesday, a good (50%) chance of evening rain and snow showers, partly cloudy and colder with a slight (20%) chance of snow showers late at night,
• Partly cloudy with a slight (20%) chance of AM snow showers, mostly sunny and a bit warmer with a slight  (20%) chance of showers Wednesday afternoon, mostly cloudy with a slight (20%) chance of evening showers and snow, partly cloudy with a slight (20%) chance of rain and snow late Wednesday night,
• Then mostly cloudy and a bit warmer with a (30%) chance of rain and snow Thursday.
• highs 46-42 warming to 49 Thursday lows 32-25. (seasonal averages high 53 low 37)

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

• Mostly cloudy with AM coastal rain and coastal rain likely (70%) and cooler this afternoon while inland rain today (under 0.10 in. of rain possible), a (30%) chance of evening rain, just mostly cloudy late tonight (under 0.10 in. of rain possible),
• AM clouds, sunny Saturday afternoon, mostly clear late at night,
• Partly cloudy and a bit warmer Sunday, partly cloudy in the evening, then mostly cloudy with a (20%) chance of rain late Sunday night.
• highs 52-55 lows 35-33 warming to 39 Sunday night.
• Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Monday afternoon, evening rain and snow, rain and snow showers late Monday night,
• Mostly cloudy with AM rain and snow showers, a bit cooler with a good (50%) chance of rain and snow showers Tuesday afternoon, a good (50%) chance of evening rain and snow showers, partly cloudy and colder with a (30%) of rain and snow showers late at night,
• Partly cloudy with a slight (20%) chance of AM rain and snow showers, mostly sunny and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly clear with a slight (20%) chance of evening showers and snow, partly cloudy with a slight (20%) chance of rain and snow late Wednesday night,
• Mostly cloudy with a (30%) chance of AM rain and snow, then a (40%) chance of rain and a bit warmer Thursday afternoon.
• highs 50-47 warming 52 Thursday lows 34-28 warming to 32 Wednesday night. (seasonal averages high 54 low 41)

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

• Mostly cloudy and colder today with snow and rain showers (0.10 in. of rain possible, 2 in. of snow possible), a good (50%) chance of evening rain and snow showers (under 0.10 in. of rain possible, 1 in. of snow possible), just mostly cloudy late tonight,
• Some AM clouds, sunny and a bit warmer Saturday afternoon, partly cloudy at night,
• AM sun, partly cloudy and warmer Sunday afternoon and evening, then mostly cloudy with a slight (20%) chance of rain and and a good (50%) chance of snow late Sunday night.
• snow level 4,000 ft. today, 3000 ft. tonight, free air freezing level at the surface rising to 4,500 ft. Saturday afternoon, 5,000 ft. rising to 5,500 ft. late Saturday night, free air freezing level 9,000 ft. Sunday, then snow level 5,500 ft. Sunday night.
• highs 36-45 lows 22-27.
• Mostly cloudy with AM rain likely (70%) and snow (snow possibly heavy at times),  snow and a bit cooler Monday (snow possibly heavy at times), snow Monday night (snow possibly heavy at times),
• Mostly cloudy with snow showers and cooler Tuesday, partly cloudy with a (30%) chance of evening snow showers, just partly cloudy at night,
• Some AM clouds, sunny and a bit warmer Wednesday afternoon, partly cloudy with a slight (20%) chance of snow showers late Wednesday night,
• A mix of clouds and sun and a bit warmer with a (40%) chance of snow showers and a (40%) chance of afternoon showers Thursday.
• snow level 3,000 ft. Monday, at the surface Monday night through Wednesday, 2,000 ft. Wednesday night, then 2,500 ft. Thursday.
• highs 32-24 warming to 36 Thursday lows 29-14.

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