Rock Valley Weather Forecast

    • 11
    • 27

    Flurries

    • 8
    • 33

    Partly Sunny

    • 5
    • 27

    Mostly Sunny

    • 20
    • 33

    Partly Sunny

    • 26
    • 56

    Mostly Cloudy

    • 24
    • 48

    Partly Sunny

Today 20 Feb Sioux

Mostly cloudy this Morning, then becoming mostly sunny. Numerous Flurries. Highs in the upper 20s. Northwest Winds 15 to 20 Mph.

Tonight 20 Feb Sioux

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows around 11. Northwest Winds 5 to 10 Mph.

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Rock Valley Temperature Statistics

February Temperature

Sheldon (23 miles)

  • Lowest 11 February, 2026

    15.8 °F

  • Average February

    36.2 °F

  • Highest 17 February, 2026

    64.4 °F

Climate (2021–Present)

Sheldon (23 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.4 °F
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