Bighorn Reservoir Weather Forecast

    • 54
    • 75

    Areas Smoke

    • 54
    • 75

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 48
    • 68

    Slight Chance Thunderstorms

    • 45
    • 63

    Rain Showers Likely

Today 7 Aug Bighorn Mountains Southeast

Sunny. Areas of smoke. Highs in the lower 80s. Southwest Winds around 10 Mph, becoming west this afternoon.

Tonight 7 Aug Bighorn Mountains Southeast

Clear. Areas of smoke. Lows in the upper 50s. North Winds around 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bighorn Reservoir Temperature Statistics

August Temperature

Sheridan County Airport (19.3 miles)

  • Lowest 4 August, 2026

    40.6 °F

  • Average August

    69 °F

  • Highest 1 August, 2026

    104.6 °F

Climate (2021–2026)

Sheridan County Airport (19.3 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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