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

Sweetgrass I-15 MP 395.3 (MTSWT)

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

NA

22°F

-6°C

Humidity 99%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 30 Mar 02:45 AM MDT
Extended Forecast for

9 Miles NNW Sunburst MT

  • Overnight

    Overnight: A slight chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a steady temperature around 26. North northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 30. Blustery, with a north northeast wind 15 to 25 mph becoming northwest in the morning. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind 12 to 17 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 12 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. South southeast wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. South southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. South southeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 29. South southeast wind 8 to 11 mph becoming east northeast after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 39 °F

    Rain/Snow
    Likely then
    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 22. Blustery.

    Low: 22 °F

    Snow Likely
    and Blustery

Detailed Forecast

Overnight
A slight chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a steady temperature around 26. North northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 30. Blustery, with a north northeast wind 15 to 25 mph becoming northwest in the morning. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind 12 to 17 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 39. South southeast wind 8 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 52. South southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 29. South southeast wind 8 to 11 mph becoming east northeast after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 22. Blustery.
Friday
A chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Sunburst MT
 48.99°N 111.96°W (Elev. 3579 ft)
Last Update:
9:22 pm MDT Mar 29, 2026
Forecast Valid:
3am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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