Here is my weekly weather quiz question. What is  the “Azores High?” 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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The graphics for days 1-3 show the frontal system that fell apart as it was on its way through Oregon. An Upper Level Low Pressure Trough is moving away from us and high pressure will start to take over. The graphics for days 3-7 show the frontal system that will move through the Pacific Northwest next Thursday and Friday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 9 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 0 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

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

• Clear this evening, mostly cloudy late tonight,
• Cloudy Saturday AM, a mix of clouds and sun and a bit cooler in the afternoon, partly cloudy in the evening, mostly cloudy late Saturday night,
• Mostly cloudy and a bit cooler Sunday, partly cloudy at night,
• Mostly sunny and a bit warmer Monday, mostly clear Monday night.
• lows 48-42 warming to 44 Monday night highs 67-65 warming to 70 Monday.
• Mostly sunny and a bit warmer Tuesday, mostly clear Tuesday night,
• Mostly sunny Wednesday AM, partly cloudy and a bit warmer in the afternoon and evening, mostly cloudy with a good (50%) chance of showers late Wednesday night,
• Mostly cloudy with a good (50%) chance of showers and a bit cooler Thursday through Friday.
• highs 77-80 cooling to 67 Thursday and Friday lows 47-52. (seasonal averages high 70 low 46)

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Eugene-Springfield Pollen Count:

Grass………. Moderate (16)

Trees………. Moderate (15)

Last Counted: 6/2/17

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Partly cloudy this evening, mostly cloudy with a slight (20%) chance of rain and drizzle late tonight and Saturday AM, just mostly cloudy and a bit cooler in the afternoon, a slight (20%) chance of isolated showers late Saturday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of isolated showers Sunday, just partly cloudy Sunday night and Monday AM, sunny and a bit warmer Monday afternoon, then mostly clear at night.
• lows 52-45 warming to 48 Monday night highs 72-65 warming to 75 Monday.
• Mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights,
• Mostly cloudy with a (20%) chance of AM rain, then mostly cloudy with a good (50%) chance of showers and cooler Thursday afternoon through Friday.
• highs 82-70 lows 52-54 cooling back to 52 Thursday night. (seasonal averages high 73 low 50)

 

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

• Mostly cloudy with a slight (20%) chance of rain and drizzle late tonight,
• A slight (20%) chance of AM rain and drizzle, mostly cloudy and a bit cooler Saturday afternoon, partly cloudy at the shore in the evening and mostly cloudy with a slight (20%) chance of isolated coastal showers late at night while partly cloudy inland in the evening and a slight (20%) chance of isolated inland showers late at night,
• Mostly cloudy with a slight (20%) chance of isolated coastal showers Sunday AM and mostly cloudy in the afternoon while isolated inland showers Sunday, partly cloudy in the evening, mostly clear late Sunday night,
• Mostly sunny Monday, then mostly clear at night.
• lows 52-47 warming to 50 Monday night highs 58-60.
• Mostly sunny and a bit warmer Tuesday, partly cloudy with patchy fog Tuesday night and Wednesday, mostly cloudy with rain likely (70%) Wednesday night,
• Mostly cloudy with rain likely (70%) Thursday, then mostly cloudy with a good (50%) chance of showers Thursday night and Friday.
• highs near 62 lows near 52. (seasonal averages high 61 low 49)

 

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Forecast for the Cascades in Lane County:

• Clear this evening, partly cloudy late tonight,
• Partly cloudy with a slight (20%) chance of AM rain or drizzle, a mix of clouds and sun and a bit cooler Saturday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Saturday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday, partly cloudy at night,
• Mostly sunny and a bit warmer Monday, then mostly clear Monday night.
• free air freezing level 11,000 ft. rising to 12,000 ft. late tonight, snow level above 8,000 ft. Saturday AM, 7,000 ft. late Saturday night and Sunday, free air freezing level 9,000 ft. rising to 11,000 ft. late Sunday night, 11,000 ft. rising to 12,000 ft. Monday afternoon, then 12,000 ft. rising to 13,000 ft. Monday night.
• lows 43-32 warming to 37 Monday night highs 63-52 warming back to 63 Monday.
• Mostly sunny and warmer Tuesday, mostly clear at night,
• Mostly sunny in the AM, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon and in the evening, mostly cloudy with a (40%) chance of showers late Wednesday night,
• Then mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday through Friday.
• free air freezing level  13,000 ft. rising to 14,000 ft. Tuesday afternoon, 14,000 ft. Tuesday night and Wednesday AM, snow level above 8,000 ft. Wednesday afternoon through Friday.
• highs 70-72 cooling to 60 Friday lows 42-44 cooling back to 42 Thursday night.

 

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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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