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 (RCBM8)

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

NA

55°F

13°C

Humidity 78%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 19 Aug 10:18 PM MDT
Extended Forecast for

7 Miles ENE Rocky Boy MT

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. Light and variable wind becoming west around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Northeast wind around 6 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. East northeast wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84. Southeast wind around 11 mph, with gusts as high as 23 mph.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. South southeast wind 5 to 11 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 85. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 55. Light and variable wind.
Friday
Sunny, with a high near 83. Northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 58. East northeast wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Saturday
Partly sunny, with a high near 84. Southeast wind around 11 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. South southeast wind 5 to 11 mph.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Rocky Boy MT
 48.29°N 109.65°W (Elev. 3885 ft)
8:12 pm MDT Aug 19, 2026
10pm MDT Aug 19, 2026-6pm MDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database