Morrison Weather Forecast

    • 72
    • 82

    Slight Chance Thunderstorms

    • 75
    • 89

    Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 74
    • 91

    Slight Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

    • 69
    • 88

    Slight Chance Thunderstorms

Today 29 Aug Grundy

Partly sunny with a 20 percent chance of Showers. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 29 Aug Grundy

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Morrison Temperature Statistics

August Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 23 August, 2026

    51.7 °F

  • Average August

    71.9 °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

    61.8 °F
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