Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

48°F

9°C

Humidity 34%
Wind Speed WSW 35 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Mar 06:20 AM MDT
Extended Forecast for

Lewistown Municipal MT

Winter Storm Warning March 12, 06:00pm until March 14, 06:00pm
High Wind Warning March 12, 06:43am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
High Wind Warning
  •  
    High Wind Warning March 12, 06:43am until March 12, 06:00pm

    NOW until 6:00pm Thu

    High Wind Warning

  • Today

    High: 45 °F

    Windy.
    Rain/Snow
    Likely then
    Snow Likely

  • Tonight

    Tonight: Snow.  Patchy blowing snow before 9pm. Low around 22. Windy, with a west northwest wind 20 to 30 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: Snow.  High near 31. West northwest wind 7 to 9 mph becoming north in the afternoon.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 18. North wind around 7 mph becoming southeast after midnight.  Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    Low: 18 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  High near 33. East southeast wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 33 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight.  Low around 4. North wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 4 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Partly sunny, with a high near 28. Southwest wind around 7 mph becoming west northwest in the afternoon.

    High: 28 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow, mainly after midnight.  Mostly cloudy, with a low around 12. West northwest wind 5 to 9 mph becoming south in the evening.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Today
A chance of rain and snow before 11am, then snow likely. Patchy blowing dust before 9am. Cloudy, with a temperature falling to around 36 by 5pm. Windy, with a west northwest wind 34 to 44 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Patchy blowing snow before 9pm. Low around 22. Windy, with a west northwest wind 20 to 30 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. High near 31. West northwest wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 18. North wind around 7 mph becoming southeast after midnight. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 33. East southeast wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 4. North wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 28. Southwest wind around 7 mph becoming west northwest in the afternoon.
Sunday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. West northwest wind 5 to 9 mph becoming south in the evening.
Monday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 46.
Monday Night
A chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
5:52 am MDT Mar 12, 2026
6am MDT Mar 12, 2026-6pm MDT Mar 18, 2026
 
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