Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

43°F

6°C

Humidity 35%
Wind Speed SW 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Mar 05:20 AM MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: Mostly cloudy, with a high near 61. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 33 °F

    Gradual
    Clearing

  • Sunday

    Sunday: A 20 percent chance of rain after noon.  Mostly cloudy, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 32. North northeast wind 5 to 8 mph becoming southeast after midnight.  Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 9am, then rain and snow likely between 9am and noon, then a chance of snow after noon.  Mostly cloudy, with a high near 43. Breezy, with a west northwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 15. Northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 61. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 32. North northeast wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 60%.
Monday
Rain likely before 9am, then rain and snow likely between 9am and noon, then a chance of snow after noon. Mostly cloudy, with a high near 43. Breezy, with a west northwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 15. Northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Mostly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 23. Southeast wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 50.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 41. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
3:17 am MDT Mar 28, 2026
5am MDT Mar 28, 2026-6pm MDT Apr 3, 2026
 
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Additional Resources

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