Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Clear

57°F

14°C

Humidity 47%
Wind Speed SE 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Aug 12:35 AM MDT
Extended Forecast for

6 Miles S Butte MT

  • Overnight

    Overnight: Mostly clear, with a low around 50. West southwest wind around 6 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 84. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. West northwest wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 24 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight.  Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. West southwest wind around 6 mph becoming calm.
Saturday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 84. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 50. West northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Butte MT
 45.92°N 112.51°W (Elev. 5599 ft)
2:30 pm MDT Aug 15, 2025
12am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database