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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

  • Overnight

    Overnight: Partly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: 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

  • Tuesday Night

    Tuesday Night: 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.

    High: 34 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
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.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Partly sunny, with a high near 39.
Saturday Night
A slight chance of snow. 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:
12:31 am MDT Apr 21, 2026
Forecast Valid:
3am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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