Morrison Weather Forecast

    • 68
    • 86

    Rain Showers

    • 57
    • 81

    Slight Chance Thunderstorms

    • 58
    • 79

    Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 57
    • 80

    Partly Sunny

    • 58
    • 77

    Rain Showers Likely

Today 8 Sep Grundy

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. South Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 8 Sep Grundy

Mostly cloudy. Near steady temperature in the upper 60s. South Winds 10 to 15 Mph.

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Morrison Temperature Statistics

September Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 1 September, 2026

    68.6 °F

  • Average September

    79.7 °F

  • Highest 1 September, 2026

    92.6 °F

Climate (2021–2026)

Waterloo, Waterloo Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.9 °F
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