Sheridan County State Lake Weather Forecast

    • 67
    • 97

    Thunderstorms Likely

    • 65
    • 86

    Chance Thunderstorms

    • 68
    • 89

    Slight Chance Rain Showers

    • 71
    • 101

    Hot

    • 72
    • 102

    Hot

    • 71
    • 103

    Hot

Today 23 Jul Sheridan

Increasing Clouds. Chance of Showers and slight chance of Thunderstorms this afternoon. Highs in the mid 90s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 23 Jul Sheridan

Partly cloudy. Thunderstorms likely in the Evening, then chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 15 Mph, becoming northeast around 5 Mph after midnight. Chance of precipitation 70 percent.

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Sheridan County State Lake Temperature Statistics

July Temperature

Hill City, Hill City Municipal Airport (21.1 miles)

  • Lowest 13 July, 2025

    60.7 °F

  • Average July

    79.9 °F

  • Highest 10 July, 2025

    104.6 °F

Climate (2020–Present)

Hill City, Hill City Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.9 °F
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