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 next weak frontal system that will move through Oregon. An Upper Level Low Pressure Trough is moving away from us. The graphics for days 3-7 show the 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 5 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 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:

• A mix of clouds and sun and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy late tonight,
• A mix of clouds and sun and a bit cooler Saturday, mostly cloudy Saturday night,
• A mix of clouds and sun and a bit cooler Sunday, then partly cloudy at night.
• highs 78-65 lows 48-42.
• 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 evening, mostly cloudy with a slight (20%) chance of showers Wednesday night,
• Cloudy with a slight (20%) chance of AM showers, a bit cooler with a good (50%) chance of showers Thursday afternoon.
• highs 70-79 cooling to 70 Thursday lows 44-50. (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:

• Sunny and a bit warmer this afternoon, 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 Saturday afternoon, 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.
• highs 80-64 lows 52-45.
• Partly cloudy and a bit warmer Monday, mostly clear at night,
• Mostly sunny and a bit warmer Tuesday and Wednesday, mostly clear both nights,
• Then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 76-83 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:

• Sunny and a bit warmer this afternoon, becoming 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, a slight (20%) chance of showers late at night,
• Mostly cloudy with a slight (20%) chance of coastal showers Sunday AM and partly cloudy in the afternoon while mostly cloudy with a slight (20%) chance of inland showers, then mostly clear Sunday night.
• highs 60-58 lows 52-47.
• Mostly sunny Monday and Tuesday, mostly clear both nights,
• Mostly sunny and a bit warmer Wednesday, mostly clear in the evening, partly cloudy late Wednesday night,
• Then partly cloudy Thursday with a slight (20%) chance of showers in the afternoon.
• highs 60-62 lows 50-52. (seasonal averages high 60 low 49)

 

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Forecast for the Cascades in Lane County:

• Partly cloudy and a bit warmer this afternoon and 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 late Saturday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night.
• free air freezing level 12,000 ft. rising to 13,000 ft. this afternoon, 13,000 ft. tonight, snow level above 8,000 ft. Saturday AM, free air freezing level 12,000 ft. Saturday night, snow level 7,000 ft. Sunday, 8,000 ft. in the evening, free air freezing level 11,000 ft. late Sunday night.
• highs 67-53 lows 43-32.
• Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
• Partly cloudy and warmer Tuesday and at night,
• Partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday and in the evening, mostly cloudy with a (40%) chance of showers late Wednesday night,
• Then mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday.
• free air freezing level 11,000 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 and Wednesday AM, snow level above 8,000 ft. Wednesday afternoon, snow level above 8,000 ft. Wednesday night and Thursday.
• highs 63-72 cooling to 64 Thursday lows 37-44.

 

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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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