Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

DW9604 Ronald (D9604)

Lat: 47.34°NLon: -121.1°WElev: 2850ft.

NA

36°F

2°C

Humidity 90%
Wind Speed WNW 2 G 5 MPH
Barometer 30.16 in
Dewpoint 33°F (1°C)
Visibility NA
Last update 13 Feb 12:17 am PST
Extended Forecast for

7 Miles N Roslyn WA

Air Stagnation Advisory until February 13, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until February 13, 10:00am

    NOW until
    10:00am Sat

    Air Stagnation Advisory

  • Overnight

    Overnight: Showers likely, mainly before 4am.  Mostly cloudy, with a low around 34. West wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    Low: 34 °F

  • Saturday

    Saturday: A chance of showers before 10am, then rain, mainly after 4pm.  High near 40. West wind around 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers then
    Rain

    High: 40 °F

  • Saturday
    Night

    Saturday Night: Rain.  Temperature rising to around 41 by 2am. Southwest wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    Low: 35 °F

  • Sunday

    Sunday: Rain likely.  Cloudy, with a high near 43. West wind 7 to 9 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    High: 43 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Cloudy, with a low around 40. West wind 6 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    Low: 40 °F

  • Washington's
    Birthday

    Washington's Birthday: A chance of showers.  Mostly cloudy, with a high near 45.

    Chance
    Showers

    High: 45 °F

  • Monday
    Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 35.

    Chance
    Showers

    Low: 35 °F

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 46.

    Chance
    Showers

    High: 46 °F

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Mostly cloudy, with a low around 34. West wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 10am, then rain, mainly after 4pm. High near 40. West wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Temperature rising to around 41 by 2am. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain likely. Cloudy, with a high near 43. West wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Cloudy, with a low around 40. West wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
A chance of showers. Mostly cloudy, with a high near 45.
Monday Night
A chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Mostly cloudy, with a high near 46.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Rain likely. Cloudy, with a high near 44.
Wednesday Night
Rain likely. Cloudy, with a low around 33.
Thursday
A chance of rain. Cloudy, with a high near 39.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 34.
Friday
A chance of rain. Mostly cloudy, with a high near 44.
Click Map For Forecast
Point Forecast:
7 Miles N Roslyn WA
 47.34°N 121.1°W (Elev. 2425 ft)
8:22 pm PST Feb 12, 2016
12am PST Feb 13, 2016-6pm PST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database