Big Horn Weather Forecast

    • 53
    • 79

    Chance Rain Showers

    • 51
    • 80

    Rain Showers

    • 50
    • 69

    Rain Showers

    • 49
    • 69

    Rain Showers Likely

    • 49
    • 75

    Slight Chance Rain Showers

    • 50
    • 77

    Mostly Sunny

Today 17 Sep Sheridan Foothills

Mostly cloudy. Patchy fog early in the morning. Chance of rain Showers and slight chance of Thunderstorms late in the afternoon. Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 17 Sep Sheridan Foothills

Mostly cloudy. A 20 percent chance of rain Showers early in the evening. Patchy fog after 3 am. Lows in the upper 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Horn Temperature Statistics

September Temperature

Sheridan County Airport (5 miles)

  • Lowest 8 September, 2026

    39.7 °F

  • Average September

    66.3 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Sheridan County Airport (5 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    62.2 °F
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