Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

ROCKY BOY (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

NA

56°F

13°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

11 Miles SSW Lloyd MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 18 mph.

    High: 58 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Cloudy, with a low around 48. East wind 5 to 11 mph becoming north after midnight.  Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 60. North northwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers.  Mostly cloudy, with a high near 67. South southeast wind 3 to 6 mph.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. East southeast wind around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. West wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 18 mph.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 48. East wind 5 to 11 mph becoming north after midnight. Chance of precipitation is 50%.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 60. North northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 67. South southeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 49. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 53. West wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 73.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51.
Thursday
A slight chance of showers. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Lloyd MT
 48.14°N 109.41°W (Elev. 4580 ft)
12:31 pm MDT Aug 13, 2026
4pm MDT Aug 13, 2026-6pm MDT Aug 20, 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