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

Butte, Bert Mooney Airport (KBTM)

Lat: 45.95472°NLon: 112.4975°WElev: 5545.0ft.

Clear

59°F

15°C

Humidity 47%
Wind Speed SE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Aug 10:05 PM MDT
Extended Forecast for

Dewey MT

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. West wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West wind 3 to 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 57. East northeast wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind around 6 mph.
Thursday
Sunny, with a high near 87. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 54. West wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 89. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. East northeast wind 5 to 8 mph becoming light and variable after midnight.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80. Breezy.
Sunday Night
Mostly clear, with a low around 48.
Monday
A slight chance of rain after noon. Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Dewey MT
 45.78°N 112.85°W (Elev. 5600 ft)
2:01 pm MDT Aug 19, 2026
10pm MDT Aug 19, 2026-6pm MDT Aug 26, 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