Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

63°F

17°C

Humidity 42%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Jun 04:18 AM MDT
Extended Forecast for

Big Sandy MT

  • Today

    Today: Sunny, with a high near 84. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West wind 5 to 9 mph becoming light and variable  in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Light and variable wind becoming west northwest 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 56. North wind around 6 mph becoming east after midnight.  Chance of precipitation is 60%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 77. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 52. East wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 100%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 68. North wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 44. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 84. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tonight
Increasing clouds, with a low around 54. West wind 5 to 9 mph becoming light and variable in the evening.
Juneteenth
Sunny, with a high near 84. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 56. North wind around 6 mph becoming east after midnight. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 77. East northeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. East wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 68. North wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 44. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday
Showers. Mostly cloudy, with a high near 57.
Sunday Night
A chance of showers before midnight. Partly cloudy, with a low around 39.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy MT
 48.18°N 110.11°W (Elev. 2759 ft)
3:35 am MDT Jun 18, 2025
5am MDT Jun 18, 2025-6pm MDT Jun 24, 2025
 
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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