Morrison Weather Forecast

    • 68
    • 78

    Thunderstorms

    • 68
    • 84

    Thunderstorms Likely

    • 60
    • 80

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 64
    • 81

    Rain Showers Likely

    • 59
    • 78

    Slight Chance Thunderstorms

Today 14 Aug Grundy

Mostly cloudy. Showers and Thunderstorms Likely, mainly this morning. Some Thunderstorms may produce heavy rainfall. Highs in the upper 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 14 Aug Grundy

Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 90 percent.

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Morrison Temperature Statistics

August Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 8 August, 2026

    58.6 °F

  • Average August

    73.2 °F

  • Highest 11 August, 2026

    89.7 °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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