Here is my new weekly weather quiz question. What is  the “Photosphere?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level low trough of low pressure (Shaded “U” shape with blue arrows) still controls our weather and moving slowly to the north. High pressure (Shaded “Arch” shape with blue arrows) will take over by Wednesday. By Saturday a cold front (position shown is Sunday) over the Pacific Ocean moves through and a second cold front moves in behind it.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 8 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).

________________

Advisories:

• A FLOOD WARNING IS IN EFFECT FOR THE COQUILLE RIVER AT COQUILLE. MINOR FLOODING IS OCCURRING.

________________

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

• Cloudy with a (30%) chance of evening rain, good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
• Mostly cloudy with patchy fog and a slight (20%) chance of showers Wednesday AM, mostly cloudy with possible sun peeks and a bit warmer in the afternoon, partly cloudy in the evening, clear with patchy fog late Wednesday night and Thursday AM, sunny and a bit warmer in the afternoon, clear Thursday night,
• Partly cloudy Friday AM, mostly sunny and a bit warmer Friday afternoon, then partly cloudy Friday night.
• lows 40-34 warming to 43 Friday night highs 59-66.
• Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a (40%) chance of showers at night,
• Cloudy with rain likely (70%) Sunday, then showers likely (70%) Sunday night through Tuesday.
• highs 57-55 lows near 45. (seasonal averages high 56 low 37).

_____

Home Wood Heating Advisory:

Eugene-Springfield: GREEN – Burning is Allowed.

Oakridge: GREEN – Burning is Allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA).

___________________

Forecast for Roseburg:

• Mostly cloudy with a (40%) chance of rain tonight (under 0.10 in. of rain possible) and patchy fog late,
• Mostly cloudy with patchy fog and a slight (20%) chance of rain Wednesday AM, just mostly cloudy  and a bit warmer in the afternoon, partly cloudy in the evening, mostly clear with patchy fog late Wednesday night,
• Then patchy mainly AM and late night fog and sunny and a bit warmer Thursday and Friday, clear Thursday night, partly cloudy Friday night,
• lows 43-39 warming to 46 Friday night highs 62-68.
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Saturday, a (30%) chance of showers at night,
• Cloudy with rain likely (70%) Sunday, showers Sunday night and Monday, then mostly cloudy with rain likely (70%) Monday night and Tuesday.
• highs 62-56 warming to 58 Tuesday lows 44-42. (seasonal averages high 58 low 39).

________________

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

• Mostly cloudy with coastal rain likely (70%) this evening and a (30%) chance of rain late tonight while a (30%) chance of inland rain tonight (under 0.10 in. of rain possible) also patchy fog late,
• Mostly cloudy with patchy fog and a slight chance of rain Wednesday AM, mostly cloudy and a bit warmer Wednesday afternoon (under 0.10 in. of rain possible), mostly clear in the evening, just partly cloudy with patchy fog late Wednesday night and Thursday AM, sunny and a bit warmer Thursday afternoon, clear at night with patchy coastal fog late,
• Sunny in the AM, partly cloudy and a bit cooler Friday afternoon, then mostly cloudy with a slight (20%) chance of rain Friday night.
• lows 46-43 warming to 48 Friday night highs 58-65 cooling to 60 Friday.
• Mostly cloudy with a (30%) chance of showers and a bit cooler Saturday and at night,
• Mostly cloudy with rain likely (60%) Sunday, showers Sunday night and Monday (cooler), then rain likely (70%) Monday night and Tuesday.
• highs 57-54 lows near 47. (seasonal averages high 54 low 42).

________________

Forecast for the Cascades in Lane County:

• Cloudy with a good (50%) chance of rain and snow this evening, a good (50%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible) and Wednesday AM, a mix of clouds and snow and a bit warmer with a good (50%) chance of rain and snow showers Wednesday afternoon, just mostly clear Wednesday night,
• Sunny and a bit warmer Thursday, clear at night,
• Mostly sunny Friday, then partly cloudy Friday night.
• snow level 4,000 ft. tonight, 4,500 ft. Wednesday, free air freezing level 6,000 ft. Wednesday night, 8,000 ft. Thursday, then 9,000 ft. Thursday night, 8,000 ft. Friday, then 9,000 ft. Friday night.
• lows 26-35 highs 42-48.
• Mostly cloudy with a slight (20%) chance of rain Saturday, a good (50%) chance of showers at night,
• Mostly cloudy with rain likely (60%) and a bit cooler Sunday, showers likely (70%) at night,
• Then rain and snow showers likely (70%) and a bit warmer Monday through Tuesday (a bit cooler).
• snow level 7,500 ft. Saturday through Sunday, 7,000 ft. Sunday night, 5,000 ft. Monday, 4,500 ft. Monday night, then 4,000 ft. Tuesday.
• highs 47-42 warming to 45 Monday cooling back to 42 Tuesday lows 35-32.

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________