Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

64°F

18°C

Humidity 48%
Wind Speed N 5 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 23 Jun 04:25 PM MDT
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 44. East southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 70. East southeast wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 46. Southeast wind around 6 mph.

    Low: 46 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon.  High near 75. East southeast wind 5 to 7 mph.  Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then showers likely.  Low around 46. South southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 100%.

    Low: 46 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 66. Light and variable wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 90%.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 43. West southwest wind 5 to 8 mph.  Chance of precipitation is 80%.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Showers likely.  Mostly cloudy, with a high near 60. West wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 44. East southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 46. Southeast wind around 6 mph.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 75. East southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 46. South southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. Light and variable wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 43. West southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 60. West wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41.
Monday
Showers likely. Mostly cloudy, with a high near 61. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 69.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
10:26 pm MDT Jun 24, 2026
11pm MDT Jun 24, 2026-6pm MDT Jul 1, 2026
 
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