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.

Mostly Cloudy

50°F

10°C

Humidity 82%
Wind Speed ESE 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Aug 03:53 AM MDT
Extended Forecast for

4 Miles SE Butte MT

  • Today

    Today: Showers likely and possibly a thunderstorm after noon.  Widespread haze before 9am. Mostly cloudy, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Haze then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Widespread haze after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    T-storms then
    Haze

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

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

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm after noon. Widespread haze before 9am. Mostly cloudy, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Widespread haze after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Butte MT
 45.97°N 112.46°W (Elev. 6599 ft)
3:30 am MDT Aug 17, 2025
4am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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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