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

18°F

-8°C

Humidity 79%
Wind Speed NE 11 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill6°F (-14°C)
Last update 31 Mar 01:45 AM MDT
Extended Forecast for

9 Miles NNW Sunburst MT

  • Overnight

    Overnight: Partly cloudy, with a low around 11. South wind 5 to 7 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Wind chill values as low as -5. South southeast wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. South southeast wind 7 to 10 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 30. East southeast wind 8 to 10 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Rain and snow, becoming all snow after 3pm. High near 37. East wind 7 to 17 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. North northwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A slight chance of snow before noon. Partly sunny, with a high near 42. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 11. South wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 40. Wind chill values as low as -5. South southeast wind 9 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 22. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 51. South southeast wind 7 to 10 mph.
Wednesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 30. East southeast wind 8 to 10 mph.
Thursday
Rain and snow, becoming all snow after 3pm. High near 37. East wind 7 to 17 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. North northwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday
A slight chance of snow before noon. Partly sunny, with a high near 42. West northwest wind around 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 52.
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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:
12:31 am MDT Mar 31, 2026
Forecast Valid:
2am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation