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.

Overcast

40°F

4°C

Humidity 54%
Wind Speed NW 8 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Mar 10:53 PM MDT
Extended Forecast for

3 Miles SSE Butte MT

  • Tonight

    Tonight: Mostly clear, with a low around 28. North northwest wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. West wind 5 to 9 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Snow level 6500 feet rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before noon. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain then
    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 28. North northwest wind around 6 mph.
Sunday
Sunny, with a high near 53. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 61. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. West wind 5 to 9 mph becoming calm in the evening.
Tuesday
A 20 percent chance of rain after noon. Snow level 6500 feet rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 60.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain before noon. Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Butte MT
 45.97°N 112.49°W (Elev. 5522 ft)
Last Update:
2:01 pm MDT Mar 21, 2026
Forecast Valid:
11pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation