Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

JETTE (JETM8)

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

NA

74°F

23°C

Humidity 30%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 18 Aug 09:43 PM MDT
Extended Forecast for

4 Miles ESE Big Arm MT

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. South wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Northeast wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 84. South wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. Northeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 55.
Sunday
A slight chance of rain before noon. Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Arm MT
 47.76°N 114.21°W (Elev. 4094 ft)
2:00 pm MDT Aug 18, 2026
10pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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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