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

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 >

Hazardous Weather Conditions

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Partly Cloudy

84°F

29°C

Humidity 15%
Wind Speed WNW 14 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Aug 04:35 PM MDT
Extended Forecast for

12 Miles SSE Butte MT

Red Flag Warning until August 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 15, 09:00pm

    NOW until 9:00pm Fri

    Red Flag Warning

  • This Afternoon

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 52 °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 81. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Light and variable wind becoming west 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: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

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

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West wind around 10 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 52. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 81. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 51. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Light and variable wind becoming west 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 chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 80.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Butte MT
 45.84°N 112.43°W (Elev. 6399 ft)
Last Update:
2:30 pm MDT Aug 15, 2025
Forecast Valid:
4pm MDT Aug 15, 2025-6pm MDT Aug 22, 2025
 
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