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

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

39°F

4°C

Humidity 75%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 14 Oct 01:43 AM MDT
Extended Forecast for

Big Arm MT

  • Overnight

    Overnight: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Areas Frost

  • Wednesday

    Wednesday: Widespread frost, mainly between 7am and 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Areas of frost between 7am and 9am.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 33. Calm wind.
Wednesday
Widespread frost, mainly between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind.
Wednesday Night
Mostly clear, with a low around 36. Calm wind.
Thursday
Areas of frost between 7am and 9am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Thursday Night
Mostly clear, with a low around 37. Calm wind.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Arm MT
 47.8°N 114.31°W (Elev. 3002 ft)
2:01 am MDT Oct 14, 2026
2am MDT Oct 14, 2026-6pm MDT Oct 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database