Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

51°F

11°C

Humidity 90%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 28 Aug 04:18 AM MDT
Extended Forecast for

2 Miles WSW Rocky Boy MT

  • Today

    Today: Patchy smoke before 9am. Increasing clouds, with a high near 81. West southwest wind 5 to 7 mph.

    High: 81 °F

    Patchy Smoke
    then Partly
    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am.  Mostly cloudy, with a low around 56. South wind 3 to 7 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 5pm.  Patchy smoke before noon. Mostly cloudy, with a high near 76. Calm wind becoming west 5 to 7 mph in the morning.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 47. Southeast wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm.  Mostly cloudy, with a high near 64. Light south southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 42. West southwest wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before noon.  Sunny, with a high near 71. West wind around 9 mph, with gusts as high as 20 mph.

    High: 71 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before 9am. Increasing clouds, with a high near 81. West southwest wind 5 to 7 mph.
Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 56. South wind 3 to 7 mph.
Saturday
A 40 percent chance of showers, mainly after 5pm. Patchy smoke before noon. Mostly cloudy, with a high near 76. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.
Sunday
Showers likely before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 64. Light south southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42. West southwest wind 9 to 15 mph, with gusts as high as 29 mph.
Monday
A 20 percent chance of showers before noon. Sunny, with a high near 71. West wind around 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 48. Light and variable wind becoming south southeast around 6 mph after midnight.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 52.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Rocky Boy MT
 48.24°N 109.8°W (Elev. 4265 ft)
3:56 am MDT Aug 28, 2026
5am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database