Here is my weekly weather quiz question. What is a “Hodograph“?   The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.

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An Upper Level High Pressure Ridge (Shaded “Arch” shape with arrows) is still controlling our weather with northwest airflow, but a couple of frontal systems will slip through. The graphics for days 1-3 show a frontal system moving through the Pacific Northwest Friday. The graphics for days 3-7  show a frontal system just offshore next Thursday.

Note: The Red Home Wood Heating Advisory continues to be in effect through 4:00 PM today.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 143 in the Unhealthy for Sensitive Groups category measuring Particulate Matter.

Oakridge: The Air Quality Index is 63 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 65 in the Moderate category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• AN AIR QUALITY ALERT IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR BENTON COUNTY, CLACKAMAS COUNTY, CLATSOP COUNTY, COLUMBIA COUNTY, LANE COUNTY, LINCOLN COUNTY, LINN COUNTY, MARION COUNTY, MULTMOMAH COUNTY, POLK COUNTY, TILLAMOOK COUNTY, WASHINGTON COUNTY, AND YAMHILL COUNTY.
• AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, THEN WESTERN, CENTRAL AND EASTERN LAKE COUNTY.

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

• AM clouds with areas of fog, A mix of clouds and sun and slightly warmer this afternoon, partly cloudy with patchy fog late tonight and Saturday AM, sunny and a bit warmer in the afternoon, just clear Saturday night,
• Mostly sunny and a bit cooler Sunday, then mostly clear Sunday night.
• highs 53-56 low 38-32.
• Mostly sunny and a bit cooler Monday, partly cloudy Monday night,
• Partly cloudy and a bit cooler Tuesday with increasing clouds in the afternoon, mostly cloudy with a slight (50%) chance of rain at night,
• Mostly cloudy with a (40%) chance of rain Wednesday, partly cloudy with a (40%) chance of rain Wednesday night,
• Then mostly cloudy and slightly cooler with a good (50%) chance of rain Thursday (Thanksgiving Day).
• highs 54-52 lows 33-35. (seasonal averages high 52 low 38)

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Home Wood Heating Advisory: Continues until 4:00 PM today.

Posted Daily

Eugene-Springfield: RED– Burning is Prohibited. 

Oakridge: RED– Burning is Prohibited.

*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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Your College Football Forecast    

November 17th:

Ducks vs Arizona State at  Autzen Stadium – Kickoff: 7:30 PM- PST – Mostly clear 49, cooling as the game progresses.

Beavers vs Washington at Husky Stadium, Seattle, Washington – Kickoff: 1:30 PM- PST  – Sunny 52, cooling as the game progresses.

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Forecast for Roseburg:

• Partly cloudy with areas of fog this AM, becoming sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight,
• Partly cloudy with patchy AM fog, sunny and a bit warmer Saturday afternoon, clear at night,
• Patchy AM fog, sunny and slightly warmer Sunday, then clear Sunday night.
• highs 55-60 lows 42-39.
• Patchy AM fog, sunny and a bit warmer Monday, partly cloudy with patchy fog Monday night,
• Patchy AM fog, partly cloudy and a bit cooler Tuesday, mostly cloudy with a slight (20%) of rain at night,
• Mostly cloudy and slightly cooler with a good (50%) chance of rain Wednesday, a slight (20%) chance of showers Wednesday night,
• Mostly cloudy and a bit cooler with a (30%) chance of rain Thursday (Thanksgiving Day).
• highs 62-56 lows 38-43. (seasonal averages high 53 low 40)

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

• Mostly cloudy with patchy fog this AM, sunny this afternoon, mostly clear tonight,
• Mostly sunny and a bit warmer Saturday, clear Saturday night,
• Sunny Sunday, clear Sunday night.
• highs near 59-62 lows 45-42.
• Patchy AM fog, sunny and a bit cooler Monday, partly cloudy with patchy fog Monday night,
• Patchy AM fog, partly cloudy with a slight (20%) chance of showers Tuesday, mostly cloudy with a slight (20%) chance of rain at night,
• Mostly cloudy with a (40%) chance of rain and slightly cooler Wednesday, a slight (20%) chance of showers Wednesday night,
• Then mostly cloudy with a (40%) chance of rain and a bit cooler Thursday (Thanksgiving Day).
• highs 60-57 lows 42-47. (seasonal averages high 55 low 43)

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Forecast for the Cascades in Lane County:

• Some AM clouds, mostly sunny and a bit warmer this afternoon, mostly clear tonight,
• Mostly sunny and a bit cooler Saturday, mostly clear at night,
• Mostly sunny and a bit warmer Sunday, then mostly clear Sunday night.
• free air freezing level 10,000 ft. today through Saturday, then 11,000 ft. Saturday night through Sunday night,
• highs 53-45 warming to 52 Saturday lows 27-29.
• Mostly sunny Monday, partly cloudy Monday night,
• Partly cloudy and a bit cooler Tuesday with increasing late afternoon clouds, mostly cloudy with a slight (20%) chance of rain at night,
• Mostly cloudy with a (40%) chance of rain or snow and a bit cooler Wednesday and Wednesday night,
• Then a good (50%) chance of rain or snow Thursday (Thanksgiving Day).
• free air freezing level 10,000 ft. Monday through Tuesday, snow level 6,000 ft. Tuesday night, 5,500 ft. Wednesday, 5,000 ft. Wednesday night, then 4,000 ft. Thursday.
• highs 48-40 lows 30-28.

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