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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

N/A

Humidity 36%
Wind Speed WNW 16 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 07 May 12:54 PM MDT
Extended Forecast for

Lewistown Municipal MT

High Wind Watch May 14, 03:00am until May 15, 12:00am
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 46. East southeast wind around 11 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. East southeast wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and midnight. Low around 43. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 39 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Breezy.
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. Windy, with a west wind 31 to 38 mph, with gusts as high as 49 mph.

    High: 64 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Windy, with a west northwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 39 mph.

    Low: 41 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 64. Breezy, with a west northwest wind 18 to 23 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 38 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West northwest wind 15 to 20 mph becoming west southwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after noon. Partly sunny, with a high near 58. South southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. East southeast wind around 11 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. East southeast wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and midnight. Low around 43. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 39 mph. Chance of precipitation is 90%.
Thursday
Sunny, with a high near 64. Windy, with a west wind 31 to 38 mph, with gusts as high as 49 mph.
Thursday Night
Mostly clear, with a low around 41. Windy, with a west northwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 39 mph.
Friday
Sunny, with a high near 64. Breezy, with a west northwest wind 18 to 23 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 38 mph.
Friday Night
Partly cloudy, with a low around 37. West northwest wind 15 to 20 mph becoming west southwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A slight chance of showers after noon. Partly sunny, with a high near 58. South southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow showers before 3pm, then a chance of rain showers. Some thunder is also possible. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A chance of showers and thunderstorms. 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:
11:07 pm MDT May 12, 2026
Forecast Valid:
11pm MDT May 12, 2026-6pm MDT May 19, 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