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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light snow,mist

0°F

-18°C

Humidity 82%
Wind Speed W 8 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint -4°F (-20°C)
Visibility 3.00 mi
Wind Chill-14°F (-26°C)
Last update 25 Jan 04:54 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 19. Wind chill values as low as -15. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 19 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 19 by 4am. Wind chill values as low as -5. West southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 36. West northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. West southwest wind around 7 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 8 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Southwest wind around 7 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. South southwest wind around 7 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West southwest wind around 8 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 19. Wind chill values as low as -15. Light and variable wind becoming south 5 to 9 mph in the morning.
Tonight
Mostly clear, with a temperature rising to around 19 by 4am. Wind chill values as low as -5. West southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 36. West northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 20. West southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 40. West wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 21. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 45. South southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 25. West southwest wind around 8 mph.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
4:47 am MST Jan 25, 2026
5am MST Jan 25, 2026-6pm MST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database