Rock Valley Weather Forecast

    • 44
    • 61

    Sunny

    • 43
    • 67

    Sunny

    • 46
    • 63

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 59
    • 75

    Mostly Cloudy

Today 17 Oct Sioux

Partly sunny. Highs in the lower 70s.

Tonight 17 Oct Sioux

Clear. Not as cool with Lows in the lower 40s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Rock Valley Temperature Statistics

October Temperature

Sheldon (23 miles)

  • Lowest 2 October, 2026

    37.4 °F

  • Average October

    59.8 °F

  • Highest 10 October, 2026

    89.6 °F

Climate (2021–2026)

Sheldon (23 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    58.1 °F
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