Morrison Weather Forecast

    • 62
    • 81

    Chance Thunderstorms

    • 58
    • 77

    Chance Thunderstorms

    • 61
    • 77

    Chance Rain Showers

    • 60
    • 78

    Chance Thunderstorms

    • 57
    • 79

    Chance Rain Showers

    • 54
    • 74

    Slight Chance Thunderstorms

Today 18 Sep Grundy

Mostly cloudy. A slight chance of Showers and Thunderstorms early. A chance of Showers and Thunderstorms this afternoon. Humid with Highs in the lower 80s. East Winds around 5 Mph, becoming south. Chance of rain 30 percent.

Tonight 18 Sep Grundy

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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Morrison Temperature Statistics

September Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    65.8 °F

  • Highest 13 September, 2025

    93.9 °F

Climate (2020–Present)

Waterloo, Waterloo Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    61.5 °F
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