Morrison Weather Forecast

    • 63
    • 82

    Partly Sunny

    • 60
    • 82

    Mostly Sunny

    • 59
    • 81

    Sunny

    • 63
    • 82

    Partly Sunny

    • 68
    • 83

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 65
    • 85

    Partly Sunny

Today 25 Aug Grundy

Partly sunny. Highs in the lower 80s. South Winds around 10 Mph.

Tonight 25 Aug Grundy

Partly cloudy. Humid with Lows in the lower 60s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Morrison Temperature Statistics

August Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 23 August, 2026

    52 °F

  • Average August

    72.7 °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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