Fort Smith Weather Forecast

    • 51
    • 72

    Rain Showers

    • 46
    • 64

    Rain Showers Likely

    • 47
    • 73

    Chance Rain Showers

    • 48
    • 75

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 51
    • 77

    Chance Thunderstorms

    • 53
    • 81

    Mostly Sunny

Today 30 May Bighorn Canyon

Showers and scattered Thunderstorms. Cooler. Some Thunderstorms may produce heavy rainfall. Highs in the lower 70s. Northwest Winds 5 to 15 Mph. Chance of precipitation 100 percent.

Tonight 30 May Bighorn Canyon

Slight chance of Thunderstorms late in the evening. Chance of rain Showers in the late evening and Overnight, then rain Showers likely after 3 am. Lows in the lower 50s. West Winds 5 to 15 Mph. Chance of precipitation 60 percent.

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Fort Smith Temperature Statistics

May Temperature

Cowley WY (36.7 miles)

  • Lowest 6 May, 2026

    23 °F

  • Average May

    57.8 °F

  • Highest 13 May, 2026

    95 °F

Climate (2021–Present)

Cowley WY (36.7 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    60.4 °F
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