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 >

Current conditions at

Sweetgrass I-15 MP 395.3 (MTSWT)

Lat: 48.96017°NLon: 111.94071°WElev: 3471.0ft.

NA

74°F

23°C

Humidity 26%
Wind Speed NW 19 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 15 Aug 02:00 PM MDT
Extended Forecast for

9 Miles NNW Sunburst MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. West southwest wind around 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. West wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. West southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West southwest wind 8 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. West southwest wind 6 to 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. West southwest wind 6 to 9 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Southwest wind 6 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. West southwest wind around 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 57. West wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 83. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 56. West southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 81. West southwest wind 8 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 55. West southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 83. West southwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 58. Southwest wind 6 to 10 mph.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Sunburst MT
 48.99°N 111.99°W (Elev. 3550 ft)
Last Update:
9:12 am MDT Aug 15, 2025
Forecast Valid:
2pm MDT Aug 15, 2025-6pm MDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation