National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Clear

43°F

6°C

Humidity 52%
Wind Speed NW 12 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 21 Mar 08:35 PM MDT
Extended Forecast for

3 Miles SSE Butte MT

  • Tonight

    Tonight: Mostly clear, with a low around 27. West northwest wind 13 to 18 mph becoming light northwest after midnight. Winds could gust as high as 37 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west southwest in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Snow level 6500 feet rising to 8900 feet in the afternoon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West northwest wind 13 to 18 mph becoming light northwest after midnight. Winds could gust as high as 37 mph.
Sunday
Sunny, with a high near 53. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 28. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 59. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west southwest in the evening.
Tuesday
A 20 percent chance of rain after noon. Snow level 6500 feet rising to 8900 feet in the afternoon. Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Butte MT
 45.96°N 112.52°W (Elev. 5554 ft)
Last Update:
2:01 pm MDT Mar 21, 2026
Forecast Valid:
8pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation