Rock Valley Weather Forecast

    • 20
    • 38

    Gradual Clearing

    • 12
    • 30

    Decreasing Clouds

    • 27
    • 36

    Partly Sunny

    • 37
    • 48

    Partly Sunny

    • 26
    • 52

    Mostly Cloudy

    • 18
    • 33

    Partly Sunny

    • 26
    • 37

    Chance Rain/Snow

Today 9 Jan Sioux

Mostly cloudy. Near steady temperature in the mid 30s. West Winds around 5 Mph.

Tonight 9 Jan Sioux

Mostly cloudy this Evening, then clearing. Lows in the lower 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Valley Temperature Statistics

January Temperature

Sheldon (23 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    28.4 °F

  • Highest 7 January, 2026

    51.8 °F

Climate (2021–Present)

Sheldon (23 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    58.1 °F
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