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 moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

Sunburst I-15 MP 389 (MTSUN)

Lat: 48.88015°NLon: 111.89871°WElev: 3307.0ft.

unknown precip

N/A

Humidity NA
Wind Speed NA 14 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Sunburst MT

  • Today

    Today: Partly sunny, with a high near 81. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 57. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. West southwest wind 8 to 17 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. West wind 5 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

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

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 57. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 86. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 57. West southwest wind 8 to 17 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 82. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 86. West wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 58. West southwest wind 6 to 10 mph.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunburst MT
 48.87°N 111.91°W (Elev. 3399 ft)
Last Update:
9:12 am MDT Aug 15, 2025
Forecast Valid:
10am MDT Aug 15, 2025-6pm MDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation