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 the next frontal system that will move through Oregon Friday. An Upper Level Low Pressure Trough will persist through the Saturday and Sunday to keep the precipitation chance with us. The graphics for days 3-7 show the next frontal system that will move through the Pacific Northwest next Thursday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 4 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 1 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:

• Partly cloudy tonight,
• A mix of clouds and sun and a bit warmer Friday, partly cloudy at night,
• A mix of clouds and sun and a bit cooler Saturday, 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, then partly cloudy at night.
• lows 48-42 highs 74-67.
• Partly cloudy and a bit warmer Monday and at night,
• Mostly sunny and a bit warmer Tuesday, partly cloudy and a bit warmer Tuesday night through Wednesday night,
• Then partly cloudy and a bit cooler with a (30%) chance of showers Thursday afternoon.
• highs 70-82 cooling to 75 Thursday lows 44-50. (seasonal averages high 70 low 46)

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Eugene-Springfield Pollen Count:

Grass………. High (20)

Trees………. Moderate (19)

Last Counted: 6/1/17

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Partly cloudy this evening, mostly cloudy late tonight and Friday AM, sunny and a bit warmer in the afternoon, mostly cloudy with a slight (20%) chance of showers late at night,
• Mostly cloudy and a bit cooler Saturday with a slight (20%) chance of AM showers, a slight (20%) chance of showers late Saturday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday, just partly cloudy Sunday night.
• lows 50-52 cooling to 47 Sunday night highs 80-67.
• Partly cloudy and a bit warmer Monday, mostly clear at night,
• Mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear Tuesday night,
• Then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 75-83 cooling to 78 Thursday lows 48-52. (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 tonight and Friday AM with a slight (20%) chance of AM coastal showers, just partly cloudy and a bit warmer Friday afternoon, mostly cloudy with a slight (20%) chance of showers late Friday night,
• Mostly cloudy and a bit cooler Saturday afternoon, mostly cloudy with a slight (20%) chance of showers late at night and Sunday AM, partly cloudy in the afternoon, mostly clear in the evening, partly cloudy late at night.
• lows 52-47 highs 64-60.
• Mostly sunny Monday and Tuesday, mostly clear both nights,
• Mostly sunny and a bit warmer Wednesday, mostly clear in the evening, partly cloudy Wednesday night,
• Then partly cloudy Thursday with a slight (20%) chance of showers in the afternoon.
• highs 58-62 lows 49-52. (seasonal averages high 60 low 49)

 

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Forecast for the Cascades in Lane County:

• Partly cloudy and colder tonight with a slight (20%) chance of evening showers,
• Partly cloudy in the AM, mostly sunny and a bit warmer Friday afternoon, mostly clear at night,
• Partly cloudy and a bit cooler Saturday, partly cloudy with a slight (20%) chance of evening showers, 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, just partly cloudy late at night.
• snow level 8,000 ft. tonight, free air freezing level 12,000 ft. rising to 13,000 ft. Friday afternoon, 13,000 ft. Friday night and Saturday, snow level above 8,000 ft. Saturday night and Sunday, free air freezing level 10,000 ft. late Sunday night.
• lows 38-42 cooling to 32 Sunday night highs 66-53.
• Partly cloudy and a bit warmer Monday and Monday night,
• Mostly sunny and warmer Tuesday, partly cloudy at night,
• Partly cloudy in the AM, mostly sunny and a bit warmer Wednesday, partly cloudy Wednesday night,
• Partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• free air freezing level 10,000 ft. rising to 12,000 ft. Monday afternoon, 12,000 ft. rising to 13,000 ft. Monday night, 13,000 ft rising to 14,000 ft. Tuesday afternoon, 14,000 ft. Tuesday night through Thursday AM, then snow level above 8,000 ft. Thursday afternoon.
• highs 59-73 cooling to 70 Thursday lows 35-44.

 

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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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