Rock Valley Weather Forecast

    • 38
    • 66

    Chance Rain Showers

    • 27
    • 56

    Breezy

    • 15
    • 39

    Snow Likely

    • 11
    • 27

    Partly Sunny

    • 8
    • 31

    Partly Sunny

    • 5
    • 26

    Partly Sunny

Today 17 Feb Sioux

Mostly cloudy this Morning, then becoming partly sunny. Breezy with Highs in the mid 60s. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 17 Feb Sioux

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Breezy with Lows in the upper 30s. West Winds 15 to 25 Mph. Gusts up to 40 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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Rock Valley Temperature Statistics

February Temperature

Sheldon (23 miles)

  • Lowest 11 February, 2026

    15.8 °F

  • Average February

    34.1 °F

  • Highest 14 February, 2026

    62.6 °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

    58.3 °F
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