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.

NA

39°F

4°C

Humidity 77%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 12 Oct 09:45 PM MDT
Extended Forecast for

Forsyth MT

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a steady temperature around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 53. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 53 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 61. Light south wind.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Calm wind becoming west northwest 5 to 9 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. Northwest wind 11 to 14 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North northwest wind around 6 mph becoming light and variable.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. Southeast wind around 8 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Calm wind becoming south around 5 mph.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, cloudy, with a steady temperature around 34. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 53. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 30. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 61. Light south wind.
Wednesday Night
Partly cloudy, with a low around 39. Calm wind becoming west northwest 5 to 9 mph after midnight.
Thursday
Sunny, with a high near 58. Northwest wind 11 to 14 mph.
Thursday Night
Mostly clear, with a low around 31. North northwest wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 67. Southeast wind around 8 mph.
Friday Night
Mostly clear, with a low around 39. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 74. Light southwest wind becoming west southwest 8 to 13 mph in the morning.
Saturday Night
Mostly clear, with a low around 43. West southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 69. West wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 41. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth MT
 46.27°N 106.69°W (Elev. 2500 ft)
Last Update:
7:48 pm MDT Oct 12, 2026
Forecast Valid:
10pm MDT Oct 12, 2026-6pm MDT Oct 19, 2026
 
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Additional Resources

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