Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

35°F

2°C

Humidity 89%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 04 Aug 01:18 AM MDT
Extended Forecast for

Box Elder MT

  • Overnight

    Overnight: Mostly clear, with a low around 41. Light south southwest wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West wind around 6 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming east after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. Light south southwest wind.
Tuesday
Sunny, with a high near 77. Light and variable wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. West wind around 6 mph becoming calm.
Wednesday
Mostly sunny, with a high near 85. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 93. South wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming east after midnight.
Friday
Sunny, with a high near 95. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Box Elder MT
 48.33°N 110.01°W (Elev. 2661 ft)
12:31 am MDT Aug 4, 2026
1am MDT Aug 4, 2026-6pm MDT Aug 10, 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