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Snowy, Very Cold and Windy from the Northern Plains to Great Lakes; Critical Fire Weather in South Texas

Moderate to heavy lake effect snow is expected downwind of the Great Lakes, with the Chicago metro potentially receiving 6 to 12 inches of snowfall. A frigid airmass will bring very cold temperatures to the Central U.S. and Mississippi Valley today, migrating into the Eastern U.S. on Monday. Dry and windy weather will bring critical fire weather conditions to South Texas today. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

39°F

4°C

Humidity 44%
Wind Speed ESE 9 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 09 Nov 05:30 PM MST
Extended Forecast for

8 Miles NW Lewistown Municipal MT

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South southeast wind 6 to 9 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 65. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind around 14 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Sunny, with a high near 57. West wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. West northwest wind 5 to 9 mph becoming light and variable in the evening.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Southwest wind around 6 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38. South wind 5 to 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. South wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. South southeast wind 6 to 9 mph.
Monday
Mostly cloudy, with a high near 65. South wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind around 14 mph, with gusts as high as 24 mph.
Veterans Day
Sunny, with a high near 57. West wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 29. West northwest wind 5 to 9 mph becoming light and variable in the evening.
Wednesday
Mostly cloudy, with a high near 59. Southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 38. South wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 65. South wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 35.
Friday
A chance of rain and snow, mainly before 11am. Mostly cloudy, with a high near 50.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Lewistown Municipal MT
 47.12°N 109.56°W (Elev. 3707 ft)
Last Update:
4:52 pm MST Nov 9, 2025
Forecast Valid:
6pm MST Nov 9, 2025-6pm MST Nov 16, 2025
 
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Additional Resources

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