Rock Valley Weather Forecast

    • 39
    • 90

    Breezy

    • 29
    • 51

    Gradual Clearing

    • 38
    • 56

    Mostly Cloudy

    • 42
    • 63

    Mostly Cloudy

    • 45
    • 72

    Mostly Cloudy

    • 27
    • 60

    Partly Sunny

    • 28
    • 51

    Mostly Cloudy

Today 21 Mar Sioux

Sunny, warmer with Highs in the upper 80s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 21 Mar Sioux

Partly cloudy this Evening, then becoming mostly cloudy. Breezy with Lows around 40. North Winds 15 to 25 Mph. Gusts up to 35 Mph, increasing to 45 Mph after midnight.

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Rock Valley Temperature Statistics

March Temperature

Sheldon (23 miles)

  • Lowest 16 March, 2026

    3.2 °F

  • Average March

    36.4 °F

  • Highest 8 March, 2026

    71.6 °F

Climate (2021–Present)

Sheldon (23 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58.4 °F
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