Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

75°F

24°C

Humidity 46%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 14 Jun 04:18 PM MDT
Extended Forecast for

Box Elder MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78. North northeast wind around 5 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am.  Partly cloudy, with a low around 56. North northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 60%.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northwest wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 53. Northeast wind around 6 mph becoming light and variable  after midnight.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers.  Partly sunny, with a high near 79. West southwest wind 3 to 7 mph.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. North northeast wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Partly cloudy, with a low around 56. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53. Northeast wind around 6 mph becoming light and variable after midnight.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 79. West southwest wind 3 to 7 mph.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 51.
Juneteenth
Sunny, with a high near 79.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 52.
Friday
A chance of showers. Partly sunny, with a high near 75.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Box Elder MT
 48.31°N 110°W (Elev. 2690 ft)
3:09 pm MDT Jun 14, 2025
5pm MDT Jun 14, 2025-6pm MDT Jun 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database