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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

27°F

-3°C

Humidity 63%
Wind Speed WSW 8 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 27 Jan 02:35 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 26. West southwest wind around 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West southwest wind 6 to 8 mph.

    High: 40 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 21. South southwest wind around 7 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42. West wind 3 to 6 mph.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind 7 to 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West wind around 8 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. West southwest wind around 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. South southwest wind around 7 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 26. West southwest wind around 7 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West southwest wind 6 to 8 mph.
Tuesday Night
Increasing clouds, with a low around 21. South southwest wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 42. West wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 43. West wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 26. West southwest wind around 7 mph.
Friday
Mostly cloudy, with a high near 46. South southwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
11:44 pm MST Jan 26, 2026
Forecast Valid:
2am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation