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

NCSB (NCSW1)

Lat: 48.29°NLon: -120.33°WElev: 1697ft.

NA

39°F

4°C

Humidity 86%
Wind Speed ESE 1 G 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 11 Feb 4:06 pm PST
Extended Forecast for

11 Miles WSW Twisp WA

Air Stagnation Advisory until February 16, 10:00am
Click here for hazard details and duration
...
  •  
    Air Stagnation Advisory until February 16, 10:00am

    NOW until
    10:00am Tue

    Air Stagnation Advisory

  • This
    Afternoon

    This Afternoon: Snow likely.  Cloudy, with a steady temperature around 29. Calm wind.  Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

    Snow Likely

    High: 29 °F

  • Tonight

    Tonight: Snow.  Temperature rising to around 31 by 1am. Calm wind.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Snow

    Low: 28 °F

  • Friday

    Friday: Snow likely, mainly before 4pm.  Cloudy, with a temperature rising to near 41 by noon, then falling to around 27 during the remainder of the day. Light and variable wind.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Snow Likely

    High: 41 °F

  • Friday
    Night

    Friday Night: A chance of snow before 10pm, then a chance of snow showers after 10pm.  Mostly cloudy, with a low around 25. West wind around 7 mph.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Chance Snow

    Low: 25 °F

  • Saturday

    Saturday: A chance of snow showers, mainly before 10am, then snow likely after 4pm.  Mostly cloudy, with a high near 37. Light west wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Chance Snow
    Showers then
    Snow Likely

    High: 37 °F

  • Saturday
    Night

    Saturday Night: Snow.  Low around 26. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Snow

    Low: 26 °F

  • Sunday

    Sunday: A 40 percent chance of snow.  Cloudy, with a high near 39. New snow accumulation of less than one inch possible.

    Chance Snow

    High: 39 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of rain.  Cloudy, with a low around 29.

    Chance Rain

    Low: 29 °F

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a steady temperature around 29. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. Temperature rising to around 31 by 1am. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before 4pm. Cloudy, with a temperature rising to near 41 by noon, then falling to around 27 during the remainder of the day. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A chance of snow before 10pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 25. West wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Saturday
A chance of snow showers, mainly before 10am, then snow likely after 4pm. Mostly cloudy, with a high near 37. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. Low around 26. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
A 40 percent chance of snow. Cloudy, with a high near 39. New snow accumulation of less than one inch possible.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 29.
Washington's Birthday
A 50 percent chance of rain. Cloudy, with a high near 42.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 29.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of snow. Cloudy, with a high near 39.
Wednesday Night
A 30 percent chance of snow. Cloudy, with a low around 25.
Thursday
A 40 percent chance of snow. Cloudy, with a high near 40.
Click Map For Forecast
Point Forecast:
11 Miles WSW Twisp WA
 48.29°N 120.33°W (Elev. 5220 ft)
3:16 pm PST Feb 11, 2016
5pm PST Feb 11, 2016-6pm PST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database