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Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

54°F

12°C

Humidity 17%
Wind Speed WNW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 02 Mar 02:20 PM MST
Extended Forecast for

Lewistown Municipal MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. Light northwest wind.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. South southwest wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. South southwest wind 6 to 9 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South southwest wind around 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. Southwest wind 7 to 10 mph.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely before 5am, then a chance of rain and snow. Cloudy, with a low around 32. West southwest wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 45. West northwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 27. West wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A slight chance of snow after 11am. Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. Light northwest wind.
Tonight
Mostly clear, with a low around 29. South southwest wind 5 to 7 mph.
Tuesday
Increasing clouds, with a high near 61. South southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South southwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 57. Southwest wind 7 to 10 mph.
Wednesday Night
Rain likely before 5am, then a chance of rain and snow. Cloudy, with a low around 32. West southwest wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 45. West northwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 27. West wind 7 to 11 mph, with gusts as high as 21 mph.
Friday
A slight chance of snow after 11am. Partly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 53. Breezy.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 35. Breezy.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 53. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
11:31 am MST Mar 2, 2026
Forecast Valid:
2pm MST Mar 2, 2026-6pm MDT Mar 8, 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