Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light snow,mist

28°F

-2°C

Humidity 100%
Wind Speed WNW 13 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 28°F (-2°C)
Visibility 5.00 mi
Wind Chill17°F (-8°C)
Last update 03 Apr 03:05 AM MDT
Extended Forecast for

Lewistown Municipal MT

Winter Weather Advisory April 3, 03:28am until April 3, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 3, 03:28am until April 3, 12:00pm

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Overnight

    Low: 26 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 42. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 42 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind 5 to 8 mph becoming south southwest in the evening.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49. South southwest wind 5 to 8 mph becoming east northeast in the morning.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52. East southeast wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely. Patchy blowing snow. Cloudy, with a low around 26. Northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.
Friday
Snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. West northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Mostly clear, with a low around 25. Northwest wind 5 to 8 mph becoming south southwest in the evening.
Saturday
Sunny, with a high near 52. Southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Partly sunny, with a high near 49. South southwest wind 5 to 8 mph becoming east northeast in the morning.
Sunday Night
Mostly cloudy, with a low around 26. East wind around 10 mph, with gusts as high as 18 mph.
Monday
Mostly cloudy, with a high near 52. East southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 65. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Wednesday
Snow likely. Mostly cloudy, with a high near 41.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
12:31 am MDT Apr 3, 2026
3am MDT Apr 3, 2026-6pm MDT Apr 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database