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Heavy snow expected over the Inter-mountain West; Lake Effect Snow will finally diminish on Saturday

A series of storm systems will continue bring heavy snowfall to much of the Inter-mountain West through the weekend. Snow will also spread onto the northern Plains, with travel difficulties possible. Heavy lake-effect snow will finally begin to diminish on Saturday in the Great Lakes where significant travel hazards have been observed. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Overcast

-16°C

3°F

Humidity 84%
Wind Speed NE 3 MPH
Barometer 29.96 in
Dewpoint -18°C (0°F)
Visibility 16 km
Last update 09 Dec 11:35 pm MST
Extended Forecast for

Lewistown MT

Winter Weather Advisory until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 10, 05:00pm

    NOW until
    5:00pm Sat

    Winter Weather Advisory

  • Tonight

    Tonight: A 40 percent chance of snow.  Mostly cloudy, with a temperature rising to around -13 by 3am. East southeast wind 8 to 10 km/h.  Total nighttime snow accumulation of 1 to 2 centimeters possible.

    Chance Snow

    Low: -16 °C

  • Saturday

    Saturday: A 50 percent chance of snow.  Mostly cloudy, with a high near -10. Wind chill values as low as -18. East southeast wind 5 to 10 km/h becoming west northwest in the afternoon.  New snow accumulation of 1 to 3 centimeters possible.

    Chance Snow

    High: -10 °C

  • Saturday
    Night

    Saturday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around -13. Wind chill values as low as -20. Northwest wind 10 to 13 km/h becoming southwest after midnight.

    Slight Chance
    Snow then
    Partly Cloudy

    Low: -13 °C

  • Sunday

    Sunday: A 20 percent chance of snow.  Increasing clouds, with a high near -3. Wind chill values as low as -19. West southwest wind 13 to 18 km/h.

    Slight Chance
    Snow

    High: -3 °C

  • Sunday
    Night

    Sunday Night: A 50 percent chance of snow.  Cloudy, with a low around -22. Northwest wind 11 to 16 km/h.  New snow accumulation of 1 to 3 centimeters possible.

    Chance Snow

    Low: -22 °C

  • Monday

    Monday: A 40 percent chance of snow.  Cloudy and cold, with a high near -18. New snow accumulation of 2 to 4 centimeters possible.

    Chance Snow

    High: -18 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around -24.

    Slight Chance
    Snow

    Low: -24 °C

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near -16.

    Cold

    High: -16 °C

Detailed Forecast

Tonight
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around -13 by 3am. East southeast wind 8 to 10 km/h. Total nighttime snow accumulation of 1 to 2 centimeters possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near -10. Wind chill values as low as -18. East southeast wind 5 to 10 km/h becoming west northwest in the afternoon. New snow accumulation of 1 to 3 centimeters possible.
Saturday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -13. Wind chill values as low as -20. Northwest wind 10 to 13 km/h becoming southwest after midnight.
Sunday
A 20 percent chance of snow. Increasing clouds, with a high near -3. Wind chill values as low as -19. West southwest wind 13 to 18 km/h.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around -22. Northwest wind 11 to 16 km/h. New snow accumulation of 1 to 3 centimeters possible.
Monday
A 40 percent chance of snow. Cloudy and cold, with a high near -18. New snow accumulation of 2 to 4 centimeters possible.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -24.
Tuesday
Mostly sunny and cold, with a high near -16.
Tuesday Night
Partly cloudy, with a low around -22.
Wednesday
Sunny and cold, with a high near -13.
Wednesday Night
Partly cloudy, with a low around -19.
Thursday
A slight chance of snow showers. Mostly sunny and cold, with a high near -13.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around -24.
Friday
A chance of snow showers. Mostly cloudy and cold, with a high near -17.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
9:23 pm MST Dec 9, 2016
11pm MST Dec 9, 2016-6pm MST Dec 16, 2016
 
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