National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

light snow,mist

21°F

-6°C

Humidity 92%
Wind Speed E 14 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 19°F (-7°C)
Visibility 0.75 mi
Wind Chill8°F (-13°C)
Last update 14 Mar 07:35 AM MDT
Extended Forecast for

8 Miles NW Lewistown Municipal MT

Winter Storm Warning March 14, 07:47am until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 14, 07:47am until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Today

    High: 27 °F

    Snow and
    Blowing Snow

  • Tonight

    Tonight: Snow. Patchy fog between midnight and 1am. Low around 4. Wind chill values as low as -5. North northeast wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow and
    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 28. Calm wind becoming west around 6 mph in the afternoon.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Light and variable wind becoming south around 6 mph after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 36. West southwest wind 11 to 18 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. Windy, with a west wind 21 to 30 mph, with gusts as high as 44 mph.

    High: 58 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Today
Snow. Widespread blowing snow after 10am. Patchy fog before 8am. High near 27. East wind 6 to 11 mph becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow. Patchy fog between midnight and 1am. Low around 4. Wind chill values as low as -5. North northeast wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Partly sunny, with a high near 28. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 10. Light and variable wind becoming south around 6 mph after midnight.
Monday
A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36. West southwest wind 11 to 18 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 58. Windy, with a west wind 21 to 30 mph, with gusts as high as 44 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.
Wednesday
Partly sunny, with a high near 65. Breezy.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 68. Breezy.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Lewistown Municipal MT
 47.12°N 109.56°W (Elev. 3707 ft)
Last Update:
3:21 am MDT Mar 14, 2026
Forecast Valid:
7am MDT Mar 14, 2026-6pm MDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation