Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

84°F

29°C

Humidity 26%
Wind Speed NNE 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Jul 01:20 PM MDT
Extended Forecast for

Lewistown MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming southeast in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Sunny, with a high near 88. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 48. North wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 59. East northeast wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. East northeast wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 64. East northeast wind 5 to 8 mph.  Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Southeast wind 6 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Northwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming southeast in the evening.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. North wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 59. East northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. East northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. East northeast wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 43. Southeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
10:25 am MDT Jul 13, 2025
1pm MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
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