Big Horn Weather Forecast

    • 51
    • 91

    Slight Chance Thunderstorms

    • 44
    • 74

    Breezy

    • 43
    • 71

    Mostly Sunny

    • 40
    • 73

    Mostly Cloudy

    • 35
    • 52

    Rain/Snow Likely

    • 36
    • 56

    Chance Rain Showers

Today 13 May Sheridan Foothills

Mostly sunny. A 20 percent chance of Showers and Thunderstorms late in the afternoon. Hot. Some Thunderstorms may produce gusty Winds. Highs in the lower 90s. Northeast Winds 5 to 10 Mph in the morning shifting to the south 10 to 20 Mph in the afternoon.

Tonight 13 May Sheridan Foothills

Decreasing Clouds. Slight chance of Showers and Thunderstorms in the Evening, then slight chance of rain Showers overnight. Some Thunderstorms may produce gusty Winds. Lows in the mid 40s. West Winds 10 to 20 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Horn Temperature Statistics

May Temperature

Sheridan County Airport (5 miles)

  • Lowest 6 May, 2026

    16.6 °F

  • Average May

    48.1 °F

  • Highest 10 May, 2026

    73 °F

Climate (2021–Present)

Sheridan County Airport (5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    62.2 °F
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