Here is my weekly weather quiz question. What is  “Radar Reflectivity?” 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.

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An upper level low pressure trough (Shaded “U” shape with blue arrows) replaces high pressure. Rain returned as a frontal system marched across Oregon and is to our East now. By Easter Sunday a cold front will be passed us and we may see the showers drop off a bit late in the day. High pressure takes over for a while Monday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 17 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 14 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.

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Eugene-Springfield Pollen Count:

Grass………. Low (0)

Trees………. High (159)

Last Counted: 3/23/16

Data Courtesy of Oregon Allergy Associates.

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

• Mostly cloudy with a good (50%) chance of showers tonight (under 0.10 in. of rain possible) and Friday (under 0.10 in. of rain possible), partly cloudy in the evening, becoming mostly cloudy Friday night,
• Mostly cloudy and cooler with a good (50%) chance of rain Saturday (0.15 in. of rain possible), rain in the evening, showers late Saturday night (0.20 in. of rain possible)and Easter Sunday, then mostly cloudy with a good (50%) chance of showers Sunday night.
• lows 38-43 cooling to 38 Sunday night highs 56-53.
• Mostly cloudy with showers likely (70%) Monday, a slight (20%) chance of showers at night,
• Partly cloudy and a bit warmer Tuesday, mostly clear Tuesday night,
• Then mostly sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night.
• highs 53-63 lows near 38. (seasonal averages high 58 low 38).

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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).

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Forecast for Roseburg:

• Mostly cloudy with a slight (20%) chance of showers tonight (under 0.10 in. of rain possible, snow level 3,500 ft. late tonight),
• Mostly cloudy with a slight (20%) chance of showers and a bit cooler Friday (under 0.10 in. of rain possible, AM snow level 3,000 ft.), just mostly cloudy Friday night,
• Mostly cloudy with a (30%) chance of rain and a bit warmer Saturday (under 0.10 in. of rain possible), cloudy with rain late at night (0.10 in. of rain possible),
• Cloudy with a (30%) chance of AM showers, showers likely (70%) and a bit cooler Easter Sunday and in the evening, then rain and snow showers likely (70%) late Sunday night.
• lows 39-42 cooling back to 39 Sunday night highs 56-62 cooling to 54 Sunday.
• Mostly cloudy with rain and snow showers Monday, a slight (20%) chance of showers Monday night,
• Partly cloudy and a bit warmer Tuesday, mostly clear at night,
• Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
• Then sunny and a bit warmer Thursday.
• highs 55-64 lows 42-37 warming back to 42 Tuesday night. (seasonal averages high 59 low 40).

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

• Mostly cloudy with slight (20%) chance of showers tonight (under 0.10 in. of rain possible),
• Mostly cloudy with a slight (20%) chance of showers Friday (under 0.10 in. of rain possible), just mostly cloudy Friday night,
• Mostly cloudy and a bit warmer Saturday with a (40%) chance of rain (0.10 in. of rain possible), coastal rain likely (70%) at night while inland evening rain likely (70%) and inland rain late Saturday night (0.20 in. of rain possible),
• Mostly cloudy with showers likely (70%) and a bit cooler Easter Sunday and Sunday night.
• lows 45-42 highs 54-58 cooling back to 54 Sunday.
• Mostly cloudy with showers Monday, a slight (20%) chance of showers Monday night,
• Mostly sunny and a bit warmer Tuesday, mostly clear at night,
• Sunny and a bit warmer Wednesday, mostly clear at night,
• Then mostly sunny Thursday.
• highs 54-62 lows near 44. (seasonal averages high 54 low 42).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a good (50%) chance of rain and snow showers tonight (0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of AM snow showers, a bit warmer with a a good (50%) chance of rain and snow showers Friday afternoon, partly cloudy with a slight (20%) chance of evening snow showers, just partly cloudy Friday night,
• A bit warmer with a slight (20%) chance of AM rain and snow, a good (50%) chance of rain Saturday afternoon, rain in the evening, rain and snow late at night,
• Mostly cloudy and cooler with rain and snow showers Easter Sunday, then rain and snow showers likely (70%) Sunday night.
• snow level 4,000 ft. falling to 3,000 ft. tonight, 2,500 ft. Friday, 3,500 ft. Friday night, 4,500 ft. rising to 6,500 ft. Saturday afternoon, 7,000 ft. falling to 5,500 ft. late Saturday night, then 3,000 ft. Sunday and Sunday night.
• lows 26-30 cooling to 24 Sunday night highs 38-42 cooling to 36 Sunday.
• Mostly cloudy with rain and snow showers likely (70%) and a bit cooler Monday, a (30%) chance of rain and snow showers Monday night,
• Just partly cloudy and warmer Tuesday and Tuesday night,
• Then mostly sunny and a bit warmer Wednesday and Thursday, mostly clear Wednesday night.
• snow level 3,000 ft. Monday, 3,500 ft. Monday night, free air freezing level 4,500 ft. Tuesday, 6,000 ft. Tuesday night, 6,500 ft. Wednesday, then 7,500 ft. Wednesday night and Thursday.
• highs 34-48 lows 25-27.

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**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.

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

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