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 slight chance of showers today and a better chance Friday. The graphics for days 1-3 show the frontal system that moved through Wednesday and the next one approaching Friday morning. 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 45 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 55 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 45 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 FROM 4 AM UNTIL 7 PM FRIDAY FOR THE NORTHERN OREGON CASCADES
- 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:,
- Patchy AM fog, a mix of clouds and sun with a slight (20%) chance of showers this afternoon, mostly cloudy with a slight (20%) chance of rain tonight with patchy fog late tonight and Friday AM fog, mostly cloudy with a good (50%) chance of rain in the afternoon (under 0.10 in. of rain possible), cloudy with a (40%) chance of rain Friday night,
- Then cloudy and a bit cooler with rain likely (70%) Saturday and Saturday night.
- highs 49-53 lows 34-42 cooling to 37 Saturday night.
- Mostly cloudy with showers likely (70%) Sunday and a bit cooler, a good (50%) chance of evening rain and snow showers, a good (50%) chance of snow showers late Sunday night,
- Partly cloudy and a bit cooler with a (30%) chance of snow showers Monday (Presidents’ Day), partly cloudy at night,
- Partly cloudy and a bit warmer Tuesday and Tuesday night,
- Then a mix of clouds and sun with a slight (20%) chance of rain and snow and a bit warmer Wednesday.
- highs 43-39 warming back to 43 Wednesday lows 28-22 warming to 24 Tuesday night. (seasonal averages high 51 low 35)
_________________
Forecast for Roseburg:
- Patchy AM fog, mostly cloudy with a slight (20%) chance of showers and a bit warmer this afternoon, just mostly cloudy tonight,
- Mostly cloudy with patchy fog and a slight (20%) chance of rain Friday AM, mostly cloudy and a bit warmer a (30%) chance of rain and snow in the afternoon, a slight (20%) chance of rain Friday night,
- Mostly cloudy with a (40%) chance of rain Saturday, then rain likely (70%) Saturday night.
- highs 50-52 lows 34-40.
- Mostly cloudy and a bit cooler with increasing rain and snow showers Sunday, a (40%) chance of rain and snow showers and colder Sunday night,
- Scattered rain and snow showers and a bit cooler Monday (Presidents’ Day), partly cloudy at night,
- Just partly cloudy and a bit warmer Tuesday and Tuesday night,
- Then mostly cloudy with a slight (20%) chance of rain and snow and a bit warmer Wednesday.
- highs 43-47 lows 32-25. (seasonal averages high 54 low 37)
_____________________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of coastal showers this today while mostly cloudy inland this AM and partly cloudy and a bit warmer with a slight (20%) chance of inland afternoon showers, just mostly cloudy tonight,
- Patchy AM fog, mostly cloudy with a (30%) chance of rain and a bit warmer Friday, a slight (20%) chance of rain at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Saturday, then rain likely (70%) Saturday night.
- highs 50-52 lows 39-43.
- Mostly cloudy with AM showers, a bit cooler with increasing rain and snow showers Sunday afternoon, scattered rain and snow showers at night,
- Mostly cloudy with scattered rain and snow showers Monday (Presidents’ Day), partly cloudy Monday night,
- Partly cloudy and a bit warmer Tuesday and at night,
- Then partly cloudy with a slight (20%) chance of rain and a bit warmer Wednesday.
- highs 45-48 lows 33-29. (seasonal averages high 53 low 40)
________________
Forecast for the Cascades in Lane County:
- A mix of clouds and sun with a good (50%) chance of snow showers and a bit warmer this afternoon, mostly cloudy with a slight (20%) chance of evening snow, partly cloudy with a slight (20%) chance fog snow late tonight,
- Mostly cloudy with a good (50%) chance of snow Friday AM, a good (50%) chance of rain and snow in the afternoon and Friday night),
- Mostly cloudy with rain and snow likely (70%) and a bit warmer Saturday (2 in. of snow possible), then rain and snow Saturday night.
- snow level 2,500 ft. this afternoon and this evening, 3,000 ft. Friday afternoon, 4,000 ft. falling to 3,500 ft. Friday night, 5,000 ft. Saturday, then 4,000 ft. Saturday night.
- highs 32-37 lows 22-28 cooling to 24 Saturday night.
- Mostly cloudy and a bit cooler with a snow showers likely (70%) Sunday and Sunday night,
- Mostly cloudy with a (40%) chance of snow showers and a bit cooler Monday (President’s Day), partly cloudy with a slight (20%) chance of snow showers Monday night,
- Partly cloudy and a bit warmer Tuesday and at night,
- Then a mix of clouds and sun with a slight (20%) chance of snow Wednesday.
- snow level at the surface Sunday through Monday (Presidents’ Day) and Monday night, free air freezing level at the surface Tuesday and Tuesday night, then snow level at the surface Wednesday.
- highs 25-20 warming back to 25 Wednesday lows 14-7 warming to 11 Tuesday night.
________________
**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.
________________