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Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

NA

N/A

Humidity 48%
Wind Speed W 8 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 15 Apr 02:05 AM MDT
Extended Forecast for

Lewistown Municipal MT

Winter Storm Watch April 23, 12:00am until April 23, 06:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South wind around 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain and snow. Some thunder is also possible. Low around 29. Blustery, with a west northwest wind 16 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 29 °F

    Showers then
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Snow, mainly before noon. High near 35. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow and
    Windy then
    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 14 to 23 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 19. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow. Partly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. South wind around 10 mph.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Wednesday Night
Rain before midnight, then rain and snow. Some thunder is also possible. Low around 29. Blustery, with a west northwest wind 16 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow, mainly before noon. High near 35. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 14 to 23 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 19. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Saturday
A slight chance of snow. Partly sunny, with a high near 39.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 20.
Sunday
A slight chance of snow. Partly sunny, with a high near 42.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 48.
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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:
4:06 am MDT Apr 21, 2026
Forecast Valid:
10am MDT Apr 21, 2026-6pm MDT Apr 27, 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