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

54°F

12°C

Humidity 19%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 16 May 03:00 PM MDT
Extended Forecast for

10 Miles N Santa Rita MT

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 5pm. Partly sunny, with a high near 54. West wind 15 to 18 mph, with gusts as high as 24 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then snow likely after 4am. Increasing clouds, with a low around 28. West wind 13 to 20 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow before 3pm, then a chance of rain and snow. Patchy blowing snow before 4pm. High near 36. Breezy, with a north wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. North wind 11 to 16 mph becoming light northwest. Winds could gust as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southeast wind 7 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 60. South wind 8 to 10 mph becoming west in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 35. West southwest wind around 10 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 5pm. Partly sunny, with a high near 54. West wind 15 to 18 mph, with gusts as high as 24 mph.
Tonight
A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then snow likely after 4am. Increasing clouds, with a low around 28. West wind 13 to 20 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Snow before 3pm, then a chance of rain and snow. Patchy blowing snow before 4pm. High near 36. Breezy, with a north wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Partly cloudy, with a low around 25. North wind 11 to 16 mph becoming light northwest. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 53. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 30. Southeast wind 7 to 10 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 60. South wind 8 to 10 mph becoming west in the afternoon.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35. West southwest wind around 10 mph.
Wednesday
A chance of rain, mainly after noon. Partly sunny, with a high near 59.
Wednesday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 64.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Santa Rita MT
 48.92°N 112.33°W (Elev. 4101 ft)
Last Update:
12:32 pm MDT May 16, 2026
Forecast Valid:
3pm MDT May 16, 2026-6pm MDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation