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Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mostly Cloudy

46°F

8°C

Humidity 52%
Wind Speed E 8 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 01 Apr 12:30 PM MDT
Extended Forecast for

Lewistown Municipal MT

Winter Weather Advisory April 2, 03:00pm until April 3, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of rain between 3pm and 5pm. Mostly sunny, with a high near 52. Light east wind becoming east southeast 5 to 9 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 9pm and 1am. Mostly cloudy, with a low around 31. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 3pm, then rain between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 49. East southeast wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Chance Rain
    then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 9pm. Low around 26. West northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow likely before 3pm, then a chance of rain and snow. Cloudy, with a high near 40. Northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Northwest wind 6 to 10 mph becoming southwest after midnight.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain between 3pm and 5pm. Mostly sunny, with a high near 52. Light east wind becoming east southeast 5 to 9 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of rain, mainly between 9pm and 1am. Mostly cloudy, with a low around 31. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Rain likely, possibly mixed with snow before 3pm, then rain between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 49. East southeast wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 9pm. Low around 26. West northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely before 3pm, then a chance of rain and snow. Cloudy, with a high near 40. Northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 25. Northwest wind 6 to 10 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 52. Southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 52.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
12:31 pm MDT Apr 1, 2026
Forecast Valid:
12pm MDT Apr 1, 2026-6pm MDT Apr 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation