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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light snow,mist

7°F

-14°C

Humidity 91%
Wind Speed NW 6 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 5°F (-15°C)
Visibility 2.00 mi
Wind Chill-4°F (-20°C)
Last update 22 Jan 05:26 PM MST
Extended Forecast for

Lewistown Municipal MT

  • This Afternoon

    This Afternoon: Snow.  Steady temperature around 2. Wind chill values as low as -10. North wind around 7 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 2 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 8pm.  Low around -5. Wind chill values as low as -20. East wind 6 to 8 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: -5 °F

    Snow then
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 6. Wind chill values as low as -15. East southeast wind around 6 mph becoming west northwest in the morning.

    High: 6 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -6. Wind chill values as low as -15. Light and variable wind becoming south southwest around 6 mph in the evening.

    Low: -6 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 17. Southwest wind 6 to 13 mph becoming northwest in the morning. Winds could gust as high as 22 mph.  New snow accumulation of around an inch possible.

    High: 17 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm.  Mostly cloudy, with a low around -4. West wind 5 to 10 mph, with gusts as high as 20 mph.  New snow accumulation of around an inch possible.

    Low: -4 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Southwest wind around 7 mph.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. West wind around 10 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow. Steady temperature around 2. Wind chill values as low as -10. North wind around 7 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 8pm. Low around -5. Wind chill values as low as -20. East wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 6. Wind chill values as low as -15. East southeast wind around 6 mph becoming west northwest in the morning.
Friday Night
Partly cloudy, with a low around -6. Wind chill values as low as -15. Light and variable wind becoming south southwest around 6 mph in the evening.
Saturday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 17. Southwest wind 6 to 13 mph becoming northwest in the morning. Winds could gust as high as 22 mph. New snow accumulation of around an inch possible.
Saturday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -4. West wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 27. Southwest wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 12. West wind around 10 mph.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
A slight chance of snow. Partly sunny, with a high near 32.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
4:36 pm MST Jan 22, 2026
5pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
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Additional Resources

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