Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

ROCKY BOY (ROCM8)

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

NA

63°F

17°C

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

15 Miles SSE Rocky Boy MT

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East northeast wind 3 to 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Light and variable wind becoming northeast around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. East wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. East southeast wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Southeast wind 5 to 11 mph becoming west southwest after midnight.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. West southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. East northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 84. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 59. Light and variable wind becoming northeast around 5 mph.
Friday
Sunny, with a high near 84. Northeast wind around 6 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 61. East wind 6 to 11 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 82. East southeast wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southeast wind 5 to 11 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 85. West southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Rocky Boy MT
 48.07°N 109.62°W (Elev. 3980 ft)
8:12 pm MDT Aug 19, 2026
9pm MDT Aug 19, 2026-6pm MDT Aug 26, 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