National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 45.32°N 107.94°W (Text-Only)
NWS Forecast for: Fort Smith MT
Issued by: National Weather Service Billings, MT
Last Update: 11:08 pm MDT Jul 12, 2025		Print

  • Tonight

    Tonight: Mostly clear, with a low around 61. West southwest wind around 8 mph.

    Low: 61 °F

    Mostly Clear



  • Sunday

    Sunday: Sunny and hot, with a high near 95. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 95 °F

    Hot



  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 65. North wind 5 to 8 mph becoming south in the evening.

    Low: 65 °F

    Mostly Clear



  • Monday

    Monday: Sunny and hot, with a high near 94. Southwest wind 6 to 10 mph becoming north in the afternoon.

    High: 94 °F

    Hot



  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. North wind around 11 mph becoming west southwest in the evening. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69. North wind 11 to 14 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53. North wind 11 to 14 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely


  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. North wind 10 to 13 mph.

    High: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. North northeast wind 6 to 13 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

    • Tonight: Mostly clear, with a low around 61. West southwest wind around 8 mph.

    Sunday: Sunny and hot, with a high near 95. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    Sunday Night: Mostly clear, with a low around 65. North wind 5 to 8 mph becoming south in the evening.

    Monday: Sunny and hot, with a high near 94. Southwest wind 6 to 10 mph becoming north in the afternoon.

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. North wind around 11 mph becoming west southwest in the evening. Chance of precipitation is 50%.

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69. North wind 11 to 14 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53. North wind 11 to 14 mph. Chance of precipitation is 70%.

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. North wind 10 to 13 mph.

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. North northeast wind 6 to 13 mph.

    Thursday: Mostly sunny, with a high near 80. East wind 5 to 10 mph.

    Thursday Night: Partly cloudy, with a low around 55. East wind 6 to 10 mph becoming southwest after midnight.

    Friday: Sunny, with a high near 86. West wind 6 to 9 mph becoming north northeast in the afternoon.

    Friday Night: Partly cloudy, with a low around 57. North wind 6 to 10 mph becoming south after midnight.

    Saturday: Sunny, with a high near 88. South southwest wind 6 to 10 mph becoming north northeast in the afternoon.


    Fort Smith MT
     45.32°N 107.94°W (Elev. 3301 ft)

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