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

50°F

10°C

Humidity 87%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Aug 02:18 AM MDT
Extended Forecast for

6 Miles ENE Rocky Boy MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Southeast wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy smoke after 2pm. Sunny, with a high near 85. South southeast wind around 7 mph becoming west northwest in the afternoon.

    High: 85 °F

    Sunny then
    Patchy Smoke

  • Thursday Night

    Thursday Night: Patchy smoke before 9pm. Mostly clear, with a low around 55. Northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 18 mph.

    Low: 55 °F

    Patchy Smoke
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. East wind around 6 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southeast wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 85. Southeast wind 11 to 13 mph, with gusts as high as 25 mph.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Southeast wind 6 to 11 mph becoming light south  after midnight. Winds could gust as high as 23 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after noon.  Mostly sunny, with a high near 86. Light south southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Southeast wind around 7 mph.
Thursday
Patchy smoke after 2pm. Sunny, with a high near 85. South southeast wind around 7 mph becoming west northwest in the afternoon.
Thursday Night
Patchy smoke before 9pm. Mostly clear, with a low around 55. Northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 83. East wind around 6 mph.
Friday Night
Partly cloudy, with a low around 58. Southeast wind 5 to 9 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 85. Southeast wind 11 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 60. Southeast wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 23 mph.
Sunday
A slight chance of showers after noon. Mostly sunny, with a high near 86. Light south southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 55.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Rocky Boy MT
 48.29°N 109.65°W (Elev. 3885 ft)
12:31 am MDT Aug 20, 2026
2am MDT Aug 20, 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