Here is my weekly weather quiz question. What is “The Intertropical Convergence Zone?

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An Upper Level High Pressure Ridge (“Arch “shape) is sitting right over us bringing sunshine and keeping overnight temperatures in the 20s. The graphics for days 1-3 show a frontal system offshore and moving down along the coast. The graphics for days 3-7 show more complex frontal activity moving our way Sunday through next Thursday returning the rain chances and raising overnight low temperatures..

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 6 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 (Always), Florence (Always), 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 areas of frost and patchy fog late tonight,
• Some AM clouds with areas of frost, partly cloudy and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
• Mostly cloudy and a bit cooler Saturday, mostly cloudy at night,
• Mostly cloudy and a bit warmer Sunday, a slight (20%) chance of evening, then (30%) chance of rain late Sunday night.
• lows 27-35 highs 52-48 warming back to 52 Sunday.
• Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Monday afternoon (President’s Day), rain likely (70%) Monday night,
• Mostly cloudy and a bit cooler with rain Tuesday, snow likely (70%) with rain at night (snow level 1,000 ft.),
• Mostly cloudy and a bit cooler with snow and rain Wednesday, evening snow and rain likely (70%), a good (50%) chance of snow late Wednesday night,
• Then mostly cloudy and a bit cooler with snow likely (70%) Thursday with a good (50%) chance of rain in the afternoon.
• highs 48-37 lows 37-23. (seasonal averages high 53 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:

• Becoming partly cloudy with patchy fog late tonight,
• Sunny Friday, mostly clear in the evening, partly cloudy late Friday night,
• Mostly cloudy and a bit cooler Saturday, mostly cloudy at night,
• Mostly cloudy start, partly cloudy and a bit warmer Sunday afternoon, then mostly cloudy Sunday night.
• lows 27-36 highs 52-49 warming to 54 Sunday.
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday (President’s Day) and in the evening, a (40%) chance of rain and snow late Monday night (snow possibly heavy late at night),
• Mostly cloudy with AM rain and snow likely (70%), rain and snow and a bit cooler Tuesday afternoon (snow possibly heavy at times), snow showers late at night,
• Mostly cloudy with AM rain and snow, rain and snow showers and a bit cooler Wednesday afternoon, snow showers Wednesday night,
• Then mostly cloudy and a bit cooler with show showers Thursday.
• highs 52-40 lows 42-25 (seasonal averages high 54 low 38)

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

• Mostly cloudy with patchy evening coastal frost, mostly clear with areas of frost late tonight,
• Areas of AM coastal frost, sunny and a bit warmer Friday afternoon, partly cloudy with patchy coastal frost late at night while partly cloudy with patchy inland fog late Friday night,
• Mostly cloudy with patchy AM coastal frost while inland patchy AM fog, mostly cloudy and a bit cooler Saturday with patchy inland frost late at night,
• Mostly cloudy with patchy AM frost, partly cloudy and a bit warmer Sunday afternoon and evening, then mostly cloudy with a slight (20%) chance of rain late Sunday night.
• lows 33-36 highs 54-52 warming back to 54 Sunday.
• Mostly cloudy and a bit cooler with a (30%) chance of rain Monday (President’s Day), a (40%) chance of rain Monday night,
• Mostly cloudy with AM rain likely (70%), rain and a bit cooler Tuesday afternoon and breezy, rain and snow at night,
• Mostly cloudy with rain and snow showers and a bit cooler Wednesday, rain and snow showers Wednesday night,
• Then mostly cloudy and a bit cooler with rain and snow showers Thursday.
• highs 52-43 lows 39-27. (seasonal averages high 54 low 41)

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

• Partly cloudy tonight,
• Mostly sunny and a bit warmer Friday, partly cloudy Friday night,
• A mix of clouds and sun and a bit cooler Saturday, partly cloudy at night,
• A mix of clouds and sun and a bit warmer Sunday, partly cloudy with a good (50%) chance of rain and a slight (20%) chance of snow late Sunday night,
• free air freezing level 5,000 ft. falling to the surface late tonight, at the surface rising to 5,000 ft. Friday afternoon, 4,500 ft. falling to 3,500 ft. late Friday night, 3,500 ft. rising to 4,500 ft. Saturday afternoon, 4,500 ft. Saturday night, 7,000 ft. Sunday, then snow level 4,000 ft. Sunday night.
• lows 18-28 highs 38-36  warming to 42 Sunday.
• Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow likely (70%) and a bit cooler Monday afternoon (President’s Day), evening snow and rain likely (70%), snow likely (70%) with a good (50%) chance of rain late Monday night (snow possibly heavy late at night),
• Mostly cloudy and a bit cooler with snow, possibly heavy at times, Tuesday and Tuesday night,
• Mostly cloudy with snow and a bit cooler Wednesday, possibly heavy at times in the morning, snow Wednesday night (wind shill temperature down to -5),
• Then mostly cloudy with snow Thursday (wind shill temperature down to -5).
• snow level 4,500 ft. Monday 3,000 ft. Monday night, 2,000 ft. Tuesday, then snow level at the surface Tuesday night through Thursday.
• highs 37-23 lows 25-9.

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