Here is my weekly weather quiz question for the last time. What is “The Intertropical Convergence Zone? Here is the correct answer. The Intertropical Convergence Zone( ITCZ)  is the region where the northeasterly and southeasterly trade winds converge, forming an often continuous band of clouds or thunderstorms near the equator.

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An Upper Level Low Pressure Trough (“U “shape) is approaching the coast and allowing moisture in the form of clouds to move over the Pacific Northwest. The graphics for days 1-3 show no major frontal system headed our way. The graphics for days 3-7 show more complex frontal activity moving our way Monday through next Friday returning the rain chances and raising overnight low temperatures.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 52 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 46 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 54 in the Moderate 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, possible sun breaks, and a bit cooler today, mostly cloudy with patchy fog late tonight,
• Patchy AM fog, mostly cloudy, possible sun breaks, and a bit warmer Sunday, mostly cloudy at night,
• Mostly cloudy with a slight (20%) chance of rain Monday (President’s Day), then rain Monday night.
• highs 48-52 lows 33-39.
• Mostly cloudy and a bit cooler with rain Tuesday, snow likely (70%) with rain Tuesday night (snow level 1,000 ft.),
• Mostly cloudy and a bit cooler with snow and rain likely (70%) Wednesday (snow level 500 ft.), evening snow likely (70%), a good (50%) chance of snow late at night,
• A mix of clouds and sun and a bit cooler a good (50%) chance of snow Thursday, partly cloudy with a good (50%) chance of snow Thursday night,
• Then partly with a slight (20%) chance of snow Friday.
• highs 45-37 lows 32-15. (seasonal averages high 52 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

• Patchy AM and late night fog, mostly cloudy and a bit cooler today, mostly cloudy tonight,
• Mostly cloudy with patchy AM fog, partly cloudy Sunday afternoon, mostly cloudy at night,
• Mostly cloudy and a bit warmer with a slight (20%) chance of rain Monday (President’s Day), evening, rain likely (70%), then rain late Monday night).
• highs 52-55 lows 36-40.
• Mostly cloudy with AM rain and snow, rain and snow showers, breezy and a bit cooler with patchy blowing snow Tuesday afternoon and evening, rain and snow showers, breezy and cooler late Tuesday night,
• Mostly cloudy with rain and snow showers and a bit cooler Wednesday, evening snow showers likely (70%), a good (50%) chance of snow showers and colder late at night,
• Mostly cloudy and a bit cooler with a good (50%) chance of show showers Thursday and in the evening, partly cloudy with a (40%) chance of snow showers late Thursday night,
• Then partly cloudy and a bit warmer with a slight (20%) chance of snow showers Friday.
• highs 50-42 warming to 44 Friday lows 34-22 (seasonal averages high 54 low 38)

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

• Patchy AM fog, mostly cloudy and a bit cooler with a slight (20%) chance of this afternoon, a slight (20%) chance of evening coastal rain and patchy coastal fog and frost late while patchy inland fog late tonight,
• Mostly cloudy with patchy AM coastal fog and frost while patchy inland AM fog, partly cloudy and a bit warmer Sunday afternoon, mostly cloudy at night,
• Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday (President’s Day), evening rain likely (70%), then rain Monday night.
• highs 54-52 warming back to 54 Sunday lows 36-39.
• Mostly cloudy with AM rain, showers and a bit cooler and breezy Tuesday afternoon, rain and snow showers Tuesday night,
• Mostly cloudy with rain and snow showers and a bit cooler Wednesday and breezy, rain and snow showers likely (70%) and colder at night,
• Mostly cloudy with AM snow showers likely (70%), a bit cooler with a good (50%) chance of rain and snow showers Thursday afternoon, a (40%) chance of snow showers Thursday night,
• Mostly cloudy with a slight (20%) chance of AM snow showers, then partly cloudy with a slight (20%) chance of rain and snow showers Friday afternoon.
• 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:

• A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow this afternoon, mostly cloudy this evening, partly cloudy late tonight,
• Partly cloudy and a bit warmer Sunday, mostly cloudy at night,
• Mostly cloudy with a slight (20%) chance of AM snow and a (40%) chance of rain, a good (50%) chance of rain and a bit cooler Monday afternoon (President’s Day), evening rain and snow likely (70%), then snow and rain late Monday night (snow possibly heavy at times late Monday night).
• snow level 3,500 ft. this afternoon, 4,000 ft. falling to 3,500 ft. late tonight, free air freezing level 5,000 ft. rising to 8,000 ft. Sunday, 8,000 ft. falling to 7,000 ft. late Sunday night, then snow level 4,500 ft. Monday and Monday night.
• highs 35-42 cooling to 39 Monday lows 22-28 cooling to 24 Monday night.
• Mostly cloudy and a bit cooler with snow, possibly heavy at times, Tuesday and Tuesday night (evening snow possibly heavy at times),
• Mostly cloudy with snow and a bit cooler Wednesday, evening snow likely (70%), a good (50%) chance of snow late at night (wind shill temperature down to -5),
• Mostly cloudy and a bit cooler with snow likely (70%) Thursday (wind shill temperature down to -5), mostly cloudy with a good (50%) chance of evening snow, partly cloudy with a (50%) chance of snow Thursday night (wind shill temperature down to -10 late at night),
• Then a mix of clouds and sun and a bit warmer with a (40%) chance of snow Friday (wind shill temperature down to -10 late at night).
• snow level  2,000 ft. Tuesday, at the surface Tuesday night through Friday,
• highs 23-26 lows 17-4.

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