Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

JETTE (JETM8)

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

NA

77°F

25°C

Humidity 34%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 17 Aug 07:43 PM MDT
Extended Forecast for

3 Miles NW Big Arm MT

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain after midnight.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 85.
Friday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 59.
Saturday
A slight chance of rain. Partly sunny, with a high near 81.
Saturday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Big Arm MT
 47.83°N 114.35°W (Elev. 2999 ft)
2:01 pm MDT Aug 17, 2026
8pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database