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

55°F

13°C

Humidity 87%
Wind Speed ESE 11 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 10:15 PM MDT
Extended Forecast for

Lewistown MT

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 48. East southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. North northwest wind around 6 mph becoming south southeast after midnight.

    Low: 55 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53. West wind 5 to 8 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light and variable wind becoming north northwest 5 to 8 mph in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 48. East southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. North northwest wind around 6 mph becoming south southeast after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53. West wind 5 to 8 mph.
Monday
Sunny, with a high near 81. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 48. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 77. Light and variable wind becoming north northwest 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
8:26 pm MDT Jun 21, 2024
Forecast Valid:
10pm MDT Jun 21, 2024-6pm MDT Jun 28, 2024
 
Forecast Discussion
 
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Additional Resources

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