Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

59°F

15°C

Humidity 70%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 12 Aug 07:18 AM MDT
Extended Forecast for

Rocky Boy MT

  • Today

    Today: Patchy smoke before 5pm. Mostly sunny, with a high near 74. Northeast wind 7 to 9 mph.

    High: 74 °F

    Patchy Smoke

  • Tonight

    Tonight: Showers and thunderstorms.  Low around 49. East wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 1pm.  High near 65. East wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after midnight.  Low around 48. East wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before noon.  Cloudy, with a high near 65. North northwest wind around 6 mph.

    High: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 47. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 73. Light southeast wind.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. East southeast wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy smoke before 5pm. Mostly sunny, with a high near 74. Northeast wind 7 to 9 mph.
Tonight
Showers and thunderstorms. Low around 49. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms, mainly before 1pm. High near 65. East wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 48. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers before noon. Cloudy, with a high near 65. North northwest wind around 6 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73. Light southeast wind. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 51. East southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 80.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Rocky Boy MT
 48.26°N 109.78°W (Elev. 3789 ft)
4:07 am MDT Aug 12, 2026
7am MDT Aug 12, 2026-6pm MDT Aug 18, 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