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

Sweeney Creek I-94 MP 112.6 (MTSWC)

Lat: 46.26671°NLon: 106.30788°WElev: 2598.0ft.

unknown precip

20°F

-7°C

Humidity 85%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill13°F (-11°C)
Last update 28 Feb 10:30 PM MST
Extended Forecast for

Forsyth MT

  • Tonight

    Tonight: Partly cloudy, with a low around 18. East wind 3 to 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Light and variable wind.

    Low: 28 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 62. West southwest wind 3 to 7 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 34. Southwest wind 3 to 5 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. West wind 5 to 7 mph.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph.

    Low: 32 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. East wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 50. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind.
Monday
Partly sunny, with a high near 56. Light and variable wind.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Light and variable wind.
Tuesday
Sunny, with a high near 62. West southwest wind 3 to 7 mph.
Tuesday Night
Increasing clouds, with a low around 34. Southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 63. West wind 5 to 7 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph.
Thursday
A chance of rain showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly cloudy, with a high near 52. West northwest wind 8 to 11 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 27. West wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 52. West northwest wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 28. West southwest wind 7 to 9 mph.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 54. West wind 7 to 13 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forsyth MT
 46.27°N 106.69°W (Elev. 2500 ft)
Last Update:
10:09 pm MST Feb 28, 2026
Forecast Valid:
10pm MST Feb 28, 2026-6pm MST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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