Bighorn National Forest Weather Forecast

    • 38
    • 51

    Mostly Sunny

    • 31
    • 63

    Chance Rain Showers

    • 27
    • 43

    Windy

    • 29
    • 44

    Breezy

    • 24
    • 45

    Snow Showers Likely

    • 18
    • 31

    Snow Showers

    • 21
    • 33

    Chance Snow Showers

Today 12 May Bighorn Mountains Southeast

Sunny. Highs in the lower 60s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 12 May Bighorn Mountains Southeast

Mostly clear. Lows in the upper 40s. Northeast Winds around 10 Mph, becoming west after midnight.

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Bighorn National Forest Temperature Statistics

May Temperature

Sheridan County Airport (23 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 (23 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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