Sawmill Reservoir Weather Forecast

    • 42
    • 64

    Increasing Clouds

    • 45
    • 65

    Mostly Cloudy

    • 46
    • 68

    Chance Rain Showers

    • 42
    • 66

    Chance Rain Showers

    • 38
    • 57

    Rain Showers

    • 36
    • 50

    Rain Showers Likely

Today 8 Sep Northeast Bighorn Mountains

Mostly sunny. Highs in the mid 60s. West Winds 5 to 15 Mph.

Tonight 8 Sep Northeast Bighorn Mountains

Partly cloudy. Areas of smoke early in the evening. Areas of smoke overnight. Lows in the lower 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sawmill Reservoir Temperature Statistics

September Temperature

Sheridan County Airport (18.6 miles)

  • Lowest 5 September, 2025

    37 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2025

    89.1 °F

Climate (2020–Present)

Sheridan County Airport (18.6 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    61.4 °F
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