Morrison Weather Forecast

    • 62
    • 71

    Rain Showers

    • 48
    • 66

    Rain Showers Likely

    • 45
    • 63

    Mostly Sunny

    • 48
    • 63

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

Today 30 Sep Grundy

Cloudy with a chance of Showers. Patchy fog this morning. A slight chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Humid with Highs in the lower 70s. South Winds around 5 Mph. Chance of rain 50 percent.

Tonight 30 Sep Grundy

Showers in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Humid with Lows in the lower 60s. South Winds around 5 Mph, becoming north after midnight. Chance of rain near 100 percent.

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Morrison Temperature Statistics

September Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 23 September, 2026

    45.6 °F

  • Average September

    67.8 °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

    61.8 °F
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