Here is my new weekly weather quiz question. What is “Agglomerate?” Please remember to post your answer at the bottom of this page. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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An Upper Air Low Pressure Trough (Shaded “U” shape with blue arrows) is pushing a frontal system shown on the days 1-3 graphic into the Pacific Northwest today and Wednesday (up to 3 in. of rain possible some areas). The graphic for days 3-7 shows more frontal systems heading our way Friday and Sunday into Monday of next week. For mountain snow conditions at the local ski areas check out their websites or give them a call.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 32 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 71 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 43 in the Good                                                     category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Home Wood Heating Advisory:

Eugene-Springfield: YELLOW – Caution is Advised.

Oakridge: YELLOW – Caution is Advised.

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

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A HIGH WIND WARNING IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
• A HIGH WIND WARNING IS IN EFFECT UNTIL 4 PM WEDNESDAY FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON.
• A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 2 PM TODAY FOR THE COAST RANGE OF NORTHWEST OREGON. THE LOWER COLUMBIA.
• A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 2 PM TODAY FOR THE LOWER COLUMBIA.
• AN ICE STORM WARNING IS IN EFFECT UNTIL 10 PM THIS EVENING FOR THE GREATER PORTLAND METRO AREA.
• AN ICE STORM WARNING IS IN EFFECT UNTIL 6 PM WEDNESDAY BELOW 2,500 FT. FOR THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, AND THE UPPER HOOD RIVER VALLEY.
• A FLOOD WATCH IS IN EFFECT THROUGH LATE WEDNESDAY NIGHT FOR THE CENTRAL COLUMBIA RIVER GORGE, THE COAST RANGE OF NORTHWEST OREGON, THE GREATER PORTLAND METRO AREA, THE LOWER COLUMBIA, THE NORTH OREGON COAST, THE UPPER HOOD RIVER VALLEY, AND THE WESTERN COLUMBIA RIVER GORGE.
• A FLOOD WATCH IS IN EFFECT THROUGH LATE WEDNESDAY NIGHT FOR THE CETRAL OREGON COAST, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY.
• A HIGH WIND WARNING IS IN EFFECT FROM 4 PM THIS AFTERNOON UNTIL 4 PM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A HIGH SURF ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIIL 7 PM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
• A FLOOD WATCH IS IN EFFECT FROM THIS EVENING THROUGH LATE WEDNESDAY NIGHT FOR THE CURRY COUNTY COAST, EASTERN CURRY COUNTY, AND JOSEPHINE COUNTY.
• A WIND ADVISORY IS IN EFFECT  FROM 10 PM THIS EVENING UNTIL 10 PM WEDNESDAY FOR JACKSON COUNTY.
• A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM WEDNESDAY UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A WIND ADVISORY IS IN EFFECT FROM 4 AM WEDNESDAY UBNTIL 4 AM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• 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:

• Mostly cloudy with rain becoming likely (70%) and a bit warmer this afternoon (0.50 in. of rain possible), rain, heavy at times, (1.00 in. of rain possible) and breezy tonight (Wind: S 15-25 mph gusts to 35 mph),
• Rain Wednesday, heavy at times in the AM, and breezy (Wind: S 15-25 mph), evening rain, showers late Wednesday night,
• Mostly cloudy with a good (50%) chance of showers and a bit cooler Thursday, then rain Thursday night.
• highs 47-53 cooling to 44 Thursday lows 49-35.
• Mostly cloudy with rain and a bit cooler Friday, showers likely (70%) and a bit cooler at night and Saturday, cloudy with rain likely (70%) Saturday night,
• Rain Sunday, showers likely (70%) at night,
• Then cloudy with a good (50%) chance  of showers Monday.
• highs 42-38 lows 34-32. (seasonal averages high 47 low 34)

 

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Forecast for Roseburg:

• Cloudy and a bit warmer with a (30%) chance of rain this afternoon, rain and breezy (Wind: S 15-25 mph) tonight through Wednesday evening, showers likely (70%) and colder late Wednesday night,
• Mostly cloudy with showers likely (70%) and a bit cooler Thursday (snow level 3,000 ft. rising to 3,500 ft. in the afternoon), rain likely (70%) at night.
• highs 54-44 lows 47-36.
• Mostly cloudy with rain likely (70%) and a bit cooler Friday, rain and snow showers likely (70%) Friday night,
• Mostly cloudy with rain and snow showers Saturday, rain and snow likely (70%) Saturday night,
• Rain and snow and a bit cooler Sunday, rain and snow showers likely (70%) at night,
• Then cloudy with rain and snow showers likely (60%) Monday.
• highs near 42 lows near 34. (seasonal averages high 50 low 37)

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

• Cloudy and a bit cooler with coastal rain this afternoon while a (40%) chance of rain inland and windy (Wind: S 20-30 mph at the shore while S 10-20 mph inland), rain tonight and very windy (Wind: S 25-40 mph at the shore while S 20-30 mph inland),
• Mostly cloudy and a bit cooler with rain and very windy (Wind: S 25-40 mph at the shore while S 20-30 mph inland decreasing to S 10-20 mph inland in the afternoon) Wednesday, evening rain, showers and colder late Wednesday night,
• Mostly cloudy with coastal showers likely (70%) while a good (50%) chance of inland showers and a bit cooler Thursday, then rain at night.
• highs 55-50 lows 52-40 Thursday night.
• Mostly cloudy with rain Friday, showers Friday night and Saturday, rain and breezy at night,
• Mostly cloudy with rain and a bit cooler and breezy Sunday, then mostly cloudy with showers likely (70%) Sunday night and Monday.
• highs near 48 lows near 38. (seasonal averages high 52 low 40)

 

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Forecast for the Cascades in Lane County:

• Mostly cloudy and a bit warmer rain becoming likely (70%) this afternoon), rain (0.50 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 50 mph decreasing to 45 mph late) tonight (1.00 in. of rain possible),
• Rain and breezy (Wind: S 15-25 mph gusts to 40 mph) Wednesday, evening rain or snow, rain and snow showers and colder late Wednesday night,
• Mostly cloudy with rain and snow showers likely (70%) and a bit cooler Thursday, then rain and  snow at night.
• snow level above 8,000 ft. today and tonight, 8,000 ft. Wednesday, 5,000 ft. lowering to 4,000 ft. late Wednesday night, then 3,500 ft. Thursday and Thursday night.
• highs 42-32 lows 34-24.
• Mostly cloudy with rain and snow and a bit cooler Friday, snow showers likely (70%) and a bit cooler Friday night,
• Mostly cloudy and a bit cooler with snow showers Saturday, snow likely (70%) Saturday night,
• Snow likely (70%) Sunday, then snow showers likely (70%) at night and Monday.
• snow level 3,000 ft. Friday, 2,500 ft. Friday night, at the surface Saturday, 2,500 ft. Saturday night, at the surface Sunday, 2,500 ft. Sunday night, then at the surface Monday.
• highs 32-28 lows 20-16.

 

 

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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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