Sheridan County State Lake Weather Forecast

    • 31
    • 55

    Sunny

    • 41
    • 63

    Sunny

    • 44
    • 70

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

Today 16 Oct Sheridan

Sunny. Highs in the mid 50s. North Winds 10 to 20 Mph with Gusts to 35 Mph.

Tonight 16 Oct Sheridan

Clear. Lows in the lower 30s. North Winds up to 10 Mph, becoming south after midnight.

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Sheridan County State Lake Temperature Statistics

October Temperature

Hill City, Hill City Municipal Airport (21.1 miles)

  • Lowest 2 October, 2026

    43.6 °F

  • Average October

    68.1 °F

  • Highest 12 October, 2026

    93.9 °F

Climate (2021–2026)

Hill City, Hill City Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    70.5 °F
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