Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

NA

31°F

-1°C

Humidity 87%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 13 Oct 08:45 PM MDT
Extended Forecast for

Grass Range MT

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southwest wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. South southwest wind around 6 mph becoming calm.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. West wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 57. West wind 7 to 9 mph.

    High: 57 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. East northeast wind 5 to 10 mph becoming south 11 to 16 mph after midnight. Winds could gust as high as 23 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72. South southwest wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Southwest wind 5 to 14 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 60. South southwest wind around 6 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around 37. West wind 7 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 57. West wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 39. East northeast wind 5 to 10 mph becoming south 11 to 16 mph after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 72. South southwest wind 6 to 15 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 47. Southwest wind 5 to 14 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 76. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Range MT
 47.02°N 108.83°W (Elev. 3635 ft)
7:52 pm MDT Oct 13, 2026
9pm MDT Oct 13, 2026-6pm MDT Oct 20, 2026
 
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Additional Resources

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