Rock Valley Weather Forecast

    • 75
    • 95

    Chance Thunderstorms

    • 74
    • 97

    Slight Chance Thunderstorms

    • 69
    • 96

    Mostly Sunny

    • 68
    • 92

    Mostly Sunny

    • 70
    • 92

    Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 65
    • 88

    Mostly Sunny

Today 25 Jul Sioux

Sunny. Much warmer with Highs in the mid 90s. Southwest Winds around 5 Mph. Heat index Values up to 111.

Tonight 25 Jul Sioux

Partly cloudy this Evening, then becoming cloudy. A slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 111 early this evening.

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Rock Valley Temperature Statistics

July Temperature

Sheldon (23 miles)

  • Lowest 14 July, 2026

    59 °F

  • Average July

    73.5 °F

  • Highest 20 July, 2026

    91.4 °F

Climate (2021–2026)

Sheldon (23 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58.4 °F
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