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.

Clear

32°F

0°C

Humidity 80%
Wind Speed SE 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 05 Apr 02:15 AM MDT
Extended Forecast for

Lewistown MT

High Wind Watch April 7, 03:00pm until April 8, 06:00am
Click here for hazard details and duration
High Wind Watch

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 52. East wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. East southeast wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 49. East southeast wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southeast wind 9 to 17 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 65. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow and
    Blustery then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 44. West northwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 52. East wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 28. East southeast wind 10 to 16 mph, with gusts as high as 23 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 49. East southeast wind 11 to 18 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 34. Southeast wind 9 to 17 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.
Tuesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 65. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 44. West northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 22. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Thursday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.09°N 109.46°W (Elev. 3898 ft)
Last Update:
12:31 pm MDT Apr 5, 2026
Forecast Valid:
2pm MDT Apr 5, 2026-6pm MDT Apr 11, 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