Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/02/know-occur-ocean-lakes-really/
__________
Here is my weekly weather quiz question. What is a “Dart Leader?” 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.
________________
An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) slides southeastward bringing us the chance of showers today. The graphics for days 1-3 show the frontal system that moves through today. A High Pressure Ridge takes over late in the week for a return to drying. The graphics for days 3-7 show the frontal systems approaching the Pacific Northwest Saturday and next Monday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 15 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 63 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 20 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
__________________
Home Wood Heating Advisory:
(Posted Daily)
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)
________________
Advisories:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTHERN OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY ABOVE 2,000 FT. FOR THE CASCADE FOOTHILLS IN LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE CASCADES IN LANE COUNTY.
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER 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.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:,
- Rain this AM (Valentine’s Day), mostly cloudy and a bit cooler with showers likely (70%) this afternoon (0.25 in. of rain possible), a good (50%) chance of evening showers, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
- Patchy AM fog, mostly cloudy and a bit warmer with a slight (20%) chance of showers Thursday afternoon, a slight (20%) chance of rain with patchy fog late at night,
- Mostly cloudy with patchy AM fog, a good (50%) chance of rain and a bit warmer Friday afternoon, cloudy with a (40%) chance of rain Friday night.
- highs 47-52 lows 34-42.
- Cloudy with a good (50%) chance of rain and a bit cooler Saturday, mostly cloudy with a good (50%) chance of rain Saturday night and Sunday, partly cloudy and a bit cooler with a (30%) chance of rain and snow Sunday night,
- Partly cloudy and a bit cooler with a slight (20%) chance of rain and snow showers Monday (Presidents’ Day), partly cloudy at night,
- Then a mix of clouds and sun with a slight (20%) chance of snow showers Tuesday.
- highs 48-39 lows 38-22. (seasonal averages high 51 low 35)
_________________
Forecast for Roseburg:
- Cloudy with rain and snow this AM (Valentine’s Day), rain and snow showers likely (70%) and colder this afternoon (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 2,000 ft.), a (30%) chance of evening rain and snow showers, mostly cloudy with a (30%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, snow level 2,000 ft. rising to 2,500 ft. late at night),
- Mostly cloudy with a slight (20%) chance of AM rain and snow showers, just mostly cloudy and a bit warmer Thursday afternoon and evening, partly cloudy late at night,
- Mostly cloudy with a slight (20%) chance of AM rain Friday, just mostly cloudy and a bit warmer in the afternoon, then mostly cloudy with a slight (20%) chance of rain late Friday night.
- highs 44-53 lows 37-40.
- Mostly cloudy with patchy AM fog Saturday, a (40%) chance of rain and a bit cooler Saturday afternoon and evening, a (40%) chance of rain and snow late Saturday night,
- Mostly cloudy and a bit cooler with rain and snow showers likely (60%) Sunday, a (40%) chance of rain and snow showers and colder Sunday night and Monday (Presidents’ Day), partly cloudy at night,
- Then mostly cloudy with a slight (20%) chance of snow showers Tuesday.
- highs 52-42 lows 39-26. (seasonal averages high 53 low 37)
_____________________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with AM coastal showers and a good (50%) chance of showers and a bit cooler this afternoon (Valentine’s Day) while AM inland rain and inland showers likely (70%) and a bit cooler this afternoon (0.25 in. of rain possible, snow level 2,000 ft.), mostly cloudy with a (30%) chance of showers t0night (under 0.10 in. of rain possible, evening snow level 2,000 ft.),
- Mostly cloudy and a bit warmer Thursday and in the evening, partly cloudy late Thursday night,
- Then mostly cloudy with a (30%) chance of rain and a bit warmer Friday and at night.
- highs 48-52 lows 38-42.
- Patchy AM fog, mostly cloudy with a good (50%) chance of rain Saturday and Saturday night,
- Mostly cloudy and a bit cooler with rain and snow showers likely (70%) Sunday, a (40%) chance of rain and snow showers Sunday night,
- Mostly cloudy with a slight (20%) chance of rain and snow showers Monday (Presidents’ Day), partly cloudy at night,
- Then mostly cloudy with a slight (20%) chance of rain and snow showers Tuesday.
- highs 52-45 lows 40-33. (seasonal averages high 53 low 40)
________________
Forecast for the Cascades in Lane County:
- Snow this AM (Valentine’s Day), mostly cloudy with snow showers and cooler this afternoon (1-3 in. of snow possible), evening snow showers likely (70%), mostly cloudy with a good (50%) chance of snow showers late tonight (2 in. of snow possible),
- A mix of clouds and sun with a good (50%) chance of snow showers and a bit warmer Thursday, partly cloudy with a slight (20%) chance of snow late at night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of snow Friday, then mostly cloudy with a (40%) chance of rain and snow Friday night.
- snow level 2,500 ft. today and tonight, at the surface Thursday, 2,500 ft. Thursday night and Friday, then 4,500 ft. Friday night.
- highs 32-38 lows 22-30.
- Mostly cloudy with a good (50%) chance of rain and snow and a bit cooler Saturday, rain and snow likely (70%) Saturday night,
- Mostly cloudy and a bit cooler with a snow likely (70%) Sunday, a good (50%) chance of snow Sunday night,
- A mix of clouds and sun with a (30%) chance of snow showers and a bit cooler Monday (President’s Day), partly cloudy with a slight (20%) chance of snow showers at night,
- Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of snow showers Tuesday.
- snow level 5,000 ft. Saturday, 3,500 ft. Saturday night, then at the surface Sunday through Monday (Presidents’ Day) continuing Monday night and Tuesday.
- highs 35-18 warming to 22 Tuesday lows 22-3.
________________
**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.
________________
Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
________________