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

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

55°F

13°C

Humidity 86%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 17 Aug 09:18 PM MDT
Extended Forecast for

6 Miles S Rocky Boy MT

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 2am.  Patchy smoke. Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Patchy smoke before 9am, then patchy smoke after noon. Mostly sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 73 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 7pm.  Patchy smoke. Partly cloudy, with a low around 52. Calm wind becoming south southeast around 5 mph.

    Low: 52 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny, with a high near 76. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 76 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North northwest wind around 6 mph becoming east after midnight.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. East southeast wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy smoke. Partly cloudy, with a low around 51. Light and variable wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy smoke before 9am, then patchy smoke after noon. Mostly sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 7pm. Patchy smoke. Partly cloudy, with a low around 52. Calm wind becoming south southeast around 5 mph.
Wednesday
Patchy smoke before 7am. Sunny, with a high near 76. Light southwest wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 54. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. North northwest wind around 6 mph becoming east after midnight.
Friday
Sunny, with a high near 76. East southeast wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A slight chance of showers after noon. Partly sunny, with a high near 78.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
A slight chance of showers. Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Rocky Boy MT
 48.16°N 109.79°W (Elev. 4915 ft)
12:32 pm MDT Aug 17, 2026
9pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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