Rock Valley Weather Forecast

    • 31
    • 52

    Breezy

    • 30
    • 56

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

    • 50
    • 78

    Mostly Sunny

    • 61
    • 85

    Chance Rain Showers

    • 41
    • 80

    Chance Thunderstorms

Today 18 Apr Sioux

Sunny, breezy with Highs in the lower 50s. Northwest Winds 15 to 25 Mph.

Tonight 18 Apr Sioux

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Rock Valley Temperature Statistics

April Temperature

Sheldon (23 miles)

  • Lowest 7 April, 2026

    19.4 °F

  • Average April

    45.6 °F

  • Highest 16 April, 2026

    86 °F

Climate (2021–Present)

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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