Morrison Weather Forecast

    • 71
    • 90

    Slight Chance Thunderstorms

    • 73
    • 91

    Slight Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 90

    Slight Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

    • 67
    • 86

    Partly Sunny

Today 31 Aug Grundy

Mostly sunny with a 20 percent chance of Showers. Highs in the upper 80s. Southwest Winds around 5 Mph.

Tonight 31 Aug Grundy

Partly cloudy this Evening, then becoming mostly cloudy. A slight chance of Showers early. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 102 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Morrison Temperature Statistics

August Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 28 August, 2026

    50.6 °F

  • Average August

    71.6 °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

    40.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.8 °F
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