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

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

75°F

24°C

Humidity 14%
Wind Speed WNW 16 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Jun 04:35 PM MDT
Extended Forecast for

Lewistown MT

  • Tonight

    Tonight: Mostly clear, with a low around 41. West northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. East wind 7 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light west after midnight.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. West northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. East wind 7 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light west after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West wind around 14 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 53.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 61.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Juneteenth
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.09°N 109.46°W (Elev. 3898 ft)
Last Update:
4:44 pm MDT Jun 12, 2024
Forecast Valid:
4pm MDT Jun 12, 2024-6pm MDT Jun 19, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation