Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Clear

30°F

-1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 May 02:20 AM MDT
Extended Forecast for

Butte MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Snow level 6400 feet rising to 8000 feet in the afternoon. Partly sunny, with a high near 57. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.  Chance of precipitation is 50%.

    High: 57 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Rain and snow, mainly before 3am. Some thunder is also possible.  Snow level 8100 feet lowering to 6000 feet after midnight . Low around 33. North northwest wind 5 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of rain and snow between 8am and 9am.  Snow level 6000 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 55. North wind around 7 mph.  Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
A slight chance of rain between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level 6400 feet rising to 8000 feet in the afternoon. Partly sunny, with a high near 57. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Rain and snow, mainly before 3am. Some thunder is also possible. Snow level 8100 feet lowering to 6000 feet after midnight . Low around 33. North northwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow between 8am and 9am. Snow level 6000 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 55. North wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 43.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Butte MT
 46.01°N 112.52°W (Elev. 5522 ft)
2:01 am MDT May 20, 2026
2am MDT May 20, 2026-6pm MDT May 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