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

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An Upper Level High Pressure Ridge (“Arch “shape) takes over clearing skies and removing the rain. The graphics for days 1-3 show the next frontal system poised to move into the Pacific Northwest Thursday. The graphics for days 3-7 show more frontal activity moving our way Friday through next Tuesday.

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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 25 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 16 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 with evening showers, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
• A mix of clouds and sun and a bit cooler Wednesday, partly cloudy Wednesday night,
• Mostly cloudy start, partly cloudy and warmer Thursday afternoon, mostly cloudy with rain likely (70%) at night (0.10 in. of rain possible),
• Mostly cloudy and cooler with rain Friday, a good (50%) chance of evening rain, then slight (20%) chance of rain late Friday night.
• lows 35-32 warming to 40 Thursday night cooling to 35 Friday night highs 48-58 cooling to 49.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of  Saturday, partly cloudy in the evening, mostly cloudy late Saturday night,
• Mostly cloudy and a bit warmer Sunday, a slight (20%) chance of rain late at night,
• Mostly cloudy with a (40%) chance of AM rain, rain likely (70%) and a bit cooler Monday afternoon, rain likely (70%) Monday night,
• Then mostly cloudy and a bit cooler with rain likely (70%) Tuesday.
• highs 47-52 cooling to 42 Tuesday lows 32-38 cooling to 42 Monday night. (seasonal averages high 50 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 a good (50%) chance of showers tonight with patchy evening fog becoming areas of fog late tonight (0.10 in. of rains possible, evening snow level 2,500 ft.),
• Areas of AM fog,  mostly cloudy Wednesday, partly cloudy Wednesday night,
• AM clouds, sunny and a bit warmer Thursday afternoon, a good (50%) chance of evening rain, rain likely (70%) late Thursday night (0.10 in. of rain possible, snow level 3,500 ft. late at night),
• Mostly cloudy with rain and cooler Friday, a good (50%) chance of evening rain, then a slight (20%) chance of rain and snow late Friday night.
• lows 35-40 cooling to 37 Friday night highs 52-62 cooling to 49 Friday.
• Mostly cloudy with a slight (20%) chance of AM rain and snow, partly cloudy with a slight (20%) chance of rain Saturday afternoon, partly cloudy Saturday night,
• Partly cloudy and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain late at night,
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday, rain and snow likely (70%) Monday night,
• Then mostly cloudy with rain and snow likely (70%) Tuesday.
• highs 49-54 cooling to 42 Tuesday lows 34-37 cooling back to 34 Monday night (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 a (40%) chance of coastal showers with patchy evening fog and patchy coastal frost late tonight while areas of inland evening with areas  fog and patchy inland fog late tonight (under 0.10 in. of rain possible),
• Patchy AM coastal frost while inland areas of frost and patchy fog, mostly cloudy and a bit warmer Wednesday afternoon, partly cloudy Wednesday night,
• Partly cloudy with a slight (20%) chance of coastal rain and a bit warmer Thursday afternoon while AM clouds inland and mostly sunny with a slight (20%) chance of rain and a bit cooler Thursday afternoon, coastal rain at night while inland evening train likely (70%) and with inland rain late Thursday night (0.25 in. of rain possible),
• Mostly cloudy with AM rain, a bit cooler with a good (50%) chance of rain Friday afternoon, then mostly cloudy with a good (50%) chance of rain Friday night.
• lows 34-45 cooling to 37 Friday night highs 55-59 cooling to 52 Friday.
•  Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy with a slight (20%) chance of rain Saturday afternoon, partly cloudy Saturday night,
• Partly cloudy and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain at night,
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday, a good (50%) chance of evening rain, rain likely (70%) Monday night,
• Then mostly cloudy and a bit cooler with rain and snow likely (70%) Tuesday.
• highs 52-56 cooling to 46 Tuesday lows 35-39 cooling to 34 Monday night. (seasonal averages high 54 low 41)

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Forecast for the Northern Oregon Cascades:

• Mostly cloudy with evening showers and snow showers and patchy blowing snow, a good (50%) of snow showers late tonight (0.25 in. of rain possible, 2-5 in. of snow possible),
• Partly cloudy with a slight (20%) chance of AM snow showers, just partly cloudy and a bit cooler Wednesday afternoon,  mostly clear Wednesday night,
• Partly cloudy and a bit warmer Thursday, a good (50%) chance of evening rain or snow, mostly cloudy with a good (50%) chance of rain or snow late at night,
• Mostly cloudy with rain and snow and colder Friday (1-3 in. of snow possible), then a good (50%) chance of evening rain and snow, then a slight (20%) chance of snow late Friday night.
• snow level 3,500 ft. falling to 2,000 ft. late tonight, 2,000 ft. Wednesday morning, free air freezing level 6,000 ft. rising to 7,500 ft. late Wednesday night, snow level 6,000 ft. Thursday afternoon, 5,000 ft. falling to 4,500 ft. late Thursday night, 3,500 ft. Friday, then 3,500 ft. falling to 3000 ft. late Friday night.
• lows 19-27 cooling to 22 Friday night highs 37-45 cooling to 35 Friday.
• AM clouds and sun with a (40%) chance of snow, a mix of clouds and sun with with a (40%) chance of rain and snow and a bit cooler Saturday afternoon, partly cloudy with a slight (20%) chance of evening snow, just partly cloudy late Saturday night,
• Partly cloudy and warmer Sunday, partly cloudy at night,
• Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow Monday, evening rain and snow likely (70%), snow likely (70%) late Monday night,
• Mostly cloudy with AM snow likely (70%), then a good (50%) chance of snow and cooler Tuesday afternoon.
• snow level 2,500 ft. rising to 3,000 ft. Saturday afternoon, 3,000 ft. Saturday evening, free air freezing level 4,500 ft. late Saturday night, 5,500 ft. rising to 9,000 ft. Sunday afternoon, 9,000 ft. Sunday evening, snow level 5,500 ft. late Sunday night, 5,000 ft. falling to 4,500 ft. Monday afternoon, 3,500 ft. falling to  2,500 ft. late Monday night, then 2,000 ft. Tuesday.
• highs 34-43 cooling to 26 Tuesday lows 22-30 cooling to 20 Monday night.

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