Rotary Reserve Weather Forecast

    • 46
    • 78

    Rain Showers

    • 40
    • 64

    Decreasing Clouds

    • 48
    • 71

    Chance Thunderstorms

    • 45
    • 63

    Rain Showers

    • 43
    • 57

    Rain Showers

    • 43
    • 63

    Slight Chance Rain Showers

    • 46
    • 69

    Partly Sunny

Today 16 May Black Hawk

Partly sunny late this Morning, then becoming mostly cloudy. Scattered Showers. Windy with Highs in the upper 70s. Southwest Winds 20 to 30 Mph. Gusts up to 45 Mph this afternoon. Chance of rain 30 percent.

Tonight 16 May Black Hawk

Mostly cloudy. A chance of Showers early this Evening, then a chance of Sprinkles. Breezy with Lows in the mid 40s. West Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rotary Reserve Temperature Statistics

May Temperature

Waterloo, Waterloo Municipal Airport (5.6 miles)

  • Lowest 4 May, 2025

    38.6 °F

  • Average May

    63.8 °F

  • Highest 12 May, 2025

    87.7 °F

Climate (2020–Present)

Waterloo, Waterloo Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    61.6 °F
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