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

81°F

27°C

Humidity 22%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 24 May 06:45 PM MDT
Extended Forecast for

Forsyth MT

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny and hot, with a high near 91. West southwest wind 5 to 8 mph becoming south southeast in the afternoon.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East southeast wind 6 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. East southeast wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. Southeast wind 9 to 16 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. Southeast wind 8 to 14 mph.

    Low: 60 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. South southeast wind 7 to 10 mph.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. East southeast wind 8 to 10 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West northwest wind 5 to 8 mph becoming calm after midnight.
Memorial Day
Sunny and hot, with a high near 91. West southwest wind 5 to 8 mph becoming south southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 59. East southeast wind 6 to 8 mph.
Tuesday
Sunny and hot, with a high near 95. Southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64. East southeast wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. Southeast wind 9 to 16 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. Southeast wind 8 to 14 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. South southeast wind 7 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. East southeast wind 8 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Southeast wind 7 to 9 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East southeast wind 7 to 10 mph becoming west southwest after midnight.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. West northwest wind 7 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming light after midnight.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 81. Light and variable wind becoming north northwest 5 to 8 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:
6:27 pm MDT May 24, 2026
Forecast Valid:
7pm MDT May 24, 2026-6pm MDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation