Here is my weekly weather quiz question for the last time. What is a “Land Breeze? Here is the correct answer. A Land Breeze is a  coastal breeze at night blowing from land to sea, caused by the difference in the rates of cooling of their respective surfaces.

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An Upper Level Low Pressure Trough (“U” shape) is sending frontal systems our way and still even more moisture. The graphics for days A complex frontal system, warm front first followed by a cold front moves in. The graphics for days 3-7  Tuesday through next Saturday show the continuing series of complex frontal systems that will slide into the Pacific Northwest through the period.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

• NONE AT THIS TIME.

HEALTH ADVISORIES:

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

• Patchy AM fog and a slight (20%) chance of showers, a mix of clouds and sun and a bit warmer this afternoon, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of rain with patchy fog late tonight (under 0.10 in. of rain possible),
• Mostly cloudy with AM showers likely (70%), a bit cooler with a good (50%) chance of showers Sunday afternoon (under 0.10 in. of rain possible), showers likely (70%) late at night (under 0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of AM showers, a slight (20%) chance of showers and a bit cooler Monday afternoon, then partly cloudy with patchy frost late Monday night,
• highs 66-58 lows 49-35.
• Partly cloudy with patchy AM frost, partly cloudy and a bit warmer Tuesday afternoon, partly cloudy Tuesday night,
• Partly cloudy Wednesday and at night,
• Partly cloudy start, mostly sunny Thursday afternoon, mostly clear Thursday night,
• Then partly cloudy Friday.
• highs 62-75 lows 440-47. (seasonal averages high 63 low 41)

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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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Eugene-Springfield Pollen Count:

Forecast for the Umpqua Valley including Roseburg:

• Mostly cloudy today, mostly cloudy with a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
• Mostly cloudy and a bit cooler with a (30%) chance of showers Sunday (under 0.10 in. of rain possible) and Sunday night (under 0.10 in of rain possible, snow level 3,500 ft.),
• Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy and a bit cooler Monday afternoon, then partly cloudy at night.
• highs 69-58 lows 50-40.
• Partly cloudy and a bit warmer Tuesday, mostly clear Tuesday night,
• Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
• Some AM clouds, then sunny and a bit warmer Friday afternoon.
• highs 59-76 lows 42-47 (seasonal averages high 65 low 43)

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

• Mostly cloudy with a slight (20%) chance of AM coastal showers otherwise just mostly cloudy and a bit warmer this afternoon, a (40%) chance of coastal showers tonight while a (30%) chance of inland showers late tonight (under 0.10 in. of rain possible),
• Mostly cloudy and a bit cooler with a (40%) chance of showers Sunday (under 0.10 in. of rain possible),  a (30%) chance of showers at night (under 0.10 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of AM showers, becoming partly cloudy and a bit warmer Monday afternoon and evening, then mostly clear late Monday night,
• highs 62-55 warming to 57 Monday lows near 48-39.
• Mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights,
• Mostly sunny Thursday, mostly clear Thursday night,
• Then partly cloudy Friday.
• highs near 65 lows 42-45. (seasonal averages high 57 low 45)

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

• Clouds and sun with  slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer this afternoon, becoming mostly cloudy with a slight (20%) chance of evening rain, good (50%) chance of rain tonight,
• Mostly cloudy and a bit cooler with a showers Sunday, snow showers likely (70%) with rain showers at night,
• Mostly cloudy with a good (50%) chance of AM showers with snow showers likely (70%), a bit cooler with a good (50%) chance of showers Monday afternoon, then becoming partly cloudy late Monday night.
• snow level 6,500 ft. tonight and Saturday, 7,500 ft. Saturday night, 6,000 ft. Sunday, 5,000 ft. falling to 4,500 ft. late Sunday night, 3,500 ft. Monday, then free air freezing level 5,000 ft. Monday night,
• highs 49-40 lows 36-24.
• Some AM clouds, mostly sunny and a bit warmer Tuesday afternoon, mostly clear Tuesday night,
• Mostly sunny and a bit warmer Wednesday, partly cloudy at night,
• Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
• Then mostly sunny Friday.
• free air freezing level 9,000 ft. Tuesday, 11,000 ft. Tuesday night, 12,000 ft. Wednesday through Thursday, 13,000 ft. Thursday night, then 12,000 ft. Friday.
• highs 52-62 lows  30-38.

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For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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