Rock Falls Weather Forecast

    • 62
    • 78

    Rain Showers Likely

    • 65
    • 77

    Rain Showers Likely

    • 64
    • 85

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 56
    • 71

    Chance Rain Showers

    • 55
    • 71

    Slight Chance Rain Showers

Today 17 Sep Whiteside

Showers with a chance of Thunderstorms early this morning. Patchy fog early this morning. Some Thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early this morning. Humid with Highs in the upper 70s. East Winds around 5 Mph, becoming north this afternoon. Chance of rain 90 percent.

Tonight 17 Sep Whiteside

Mostly cloudy. Humid with Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

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Rock Falls Temperature Statistics

September Temperature

Sterling Rockfalls (2.5 miles)

  • Lowest 14 September, 2026

    48.9 °F

  • Average September

    73.8 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Sterling Rockfalls (2.5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.1 °F
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