Bighorn Reservoir Weather Forecast

    • 39
    • 58

    Rain Showers

    • 39
    • 53

    Chance Rain Showers

    • 41
    • 55

    Rain Showers

    • 44
    • 61

    Rain Showers Likely

    • 47
    • 67

    Chance Rain Showers

    • 36
    • 59

    Rain/Snow Likely

Today 22 Jun Bighorn Mountains Southeast

Mostly sunny. Scattered rain Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and small hail in the afternoon. Breezy with Highs in the upper 60s. Southwest Winds 10 to 15 Mph, becoming west 15 to 20 Mph in the afternoon. Chance of rain 30 percent.

Tonight 22 Jun Bighorn Mountains Southeast

Partly cloudy with a chance of rain Showers with a slight chance of Thunderstorms. Lows in the mid 40s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bighorn Reservoir Temperature Statistics

June Temperature

Sheridan County Airport (19.3 miles)

  • Lowest 8 June, 2026

    35.7 °F

  • Average June

    60.2 °F

  • Highest 6 June, 2026

    97.6 °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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