Here is my 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 removed the rain for a day. Upper level Low Pressure takes over again. The graphics for days 1-3 show the next frontal system poised to move into the Pacific Northwest late Thursday. The graphics for days 3-7 show more frontal activity moving our way Saturday through next Wednesday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 16 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 5 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 8 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:

• Partly cloudy tonight,
• Partly cloudy and warmer with a good (50%) chance of rain Thursday afternoon (under 0.10 in. of rain possible), mostly cloudy with rain likely (70%) Thursday night (under 0.10 in. of rain possible),
• Mostly cloudy and cooler with rain likely (70%) Friday, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy late at night,
• A mix of clouds and sun and a bit cooler Saturday, then partly cloudy late Saturday night.
• lows 32-40 cooling to 30 Saturday night highs 58-46.
• A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Sunday afternoon, mostly cloudy with a slight (20%) chance of rain Sunday night,
• Mostly cloudy with a (40%) chance of AM rain, rain likely (70%) and a bit cooler Monday afternoon, rain likely (70%) at night,
• Mostly cloudy and a bit cooler with rain Tuesday, a good (50%) chance of evening rain, partly cloudy with a good (50%) chance of snow Tuesday night (snow level 1,000 ft.),
• A (30%) chance of AM snow, then a mix of clouds and sun with a (40%) chance of rain Wednesday afternoon (snow level 1,000 ft.).
• highs 52-43 lows 37-27. (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 this evening, becoming partly cloudy late tonight,
• Partly cloudy with rain and warmer Thursday afternoon, rain Thursday night (0.10 in. of rain possible, snow level 3,500 late at night),
• Mostly cloudy with AM rain, cooler with a good (50%) chance of rain Friday afternoon, mostly cloudy with a (30%) chance of rain and snow at night,
• Mostly cloudy start, partly cloudy and a bit cooler Saturday afternoon, then partly cloudy Saturday night.
• lows 37-42 cooling to 33 Saturday night highs 62-48.
• Partly cloudy and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain late Sunday night,
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday, rain and snow likely (70%) Monday night (evening snow possibly heavy at times),
• Mostly cloudy with AM rain and snow, rain and snow likely (70%) and a bit cooler Tuesday, a good (50%) chance of rain Tuesday night,
• Then partly cloudy and a bit warmer with a (30%) chance of rain Wednesday.
• highs 54-43 warming to 45 Wednesday lows 36-29. (seasonal averages high 53 low 37)

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

• Mostly cloudy this evening, partly cloudy late tonight,
• Partly cloudy with a slight (20%) chance of rain and warmer Thursday afternoon, rain Thursday night (0.25 in. of rain possible),
• Mostly cloudy with AM rain, a bit cooler with coastal rain likely (70%) Friday afternoon while a good (50%) chance of inland rain Friday afternoon, mostly cloudy with a good (50%) chance of rain at night,
• Then partly cloudy Saturday and Saturday night.
• lows 36-42 cooling to 34 Saturday night highs 59-52.
• Partly cloudy and a bit warmer Sunday, mostly cloudy with a slight (20%) chance of rain late Sunday night,
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday, rain becoming likely (70%) at night,
• Mostly cloudy  with AM rain and snow, a bit cooler with rain and snow likely (70%) Tuesday afternoon, a good (50%) chance of rain and snow Tuesday night,
• Then partly cloudy with a (30%) chance of rain Wednesday.
• highs 55-48 lows 39-30. (seasonal averages high 54 low 41)

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Forecast for the Northern Oregon Cascades:

• Partly cloudy tonight,
• Some AM clouds, mostly sunny and warmer with a (40%) chance of rain Thursday afternoon, partly cloudy with a good (50%) chance of evening rain and snow, mostly cloudy with snow and rain likely (70%) late Thursday night (0.10 in. of rain possible, 1 in,. of snow possible),
• Mostly cloudy with snow and rain and colder Friday, a (40%) chance of evening snow and rain, a slight (20%) chance of rain and snow late at night,
• Partly cloudy with a slight (20%) chance of AM snow, just partly cloudy Saturday afternoon, then partly cloudy Saturday night.
• free air freezing level 6,500 ft. rising to 7,500 ft. late tonight, snow level 6,000 ft. Thursday, 4,000 ft. Thursday night, 3,500 ft. Friday, 3000 ft. late Friday night and Saturday, then free air freezing level 3,500 ft. Saturday night.
• lows 25-28 cooling to 22 Friday night and Saturday night highs 45-34.
• Partly cloudy and warmer Sunday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain Sunday night,
• A mix  of clouds and sun 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 snow and cooler Tuesday, evening snow likely (70%), a (40%) chance of snow late Tuesday night,
• Then a mix of clouds and sun and a bit warmer with a (40%) chance of snow Wednesday.
• free air freezing level 7,500 ft. Sunday, snow level 5,500 ft. Sunday night, 4,500 ft. Monday, 3,000 ft. Monday night, 2,000 ft. Tuesday, then at the surface Tuesday night and Wednesday.
• highs 43-25 warming to 30 Wednesday lows 29-14.

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