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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed S 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Oct 12:00 AM MDT
Extended Forecast for

Butte MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. East southeast wind 3 to 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. Light south wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. South southeast wind 3 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Light and variable wind.
Sunday
Mostly sunny, with a high near 60. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 35. East southeast wind 3 to 7 mph.
Monday
Sunny, with a high near 63. Light south wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 37. South southeast wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A slight chance of rain after noon. Mostly sunny, with a high near 61.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain and snow. Snow level 7800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 30.
Saturday
A slight chance of rain and snow. Snow level 5700 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Butte MT
 46.01°N 112.52°W (Elev. 5522 ft)
Last Update:
2:01 pm MDT Oct 17, 2026
Forecast Valid:
12am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation