Morrison Weather Forecast

    • 58
    • 78

    Decreasing Clouds

    • 64
    • 81

    Chance Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 56
    • 76

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 61
    • 79

    Slight Chance Thunderstorms

Today 16 Aug Grundy

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs in the upper 70s. Northwest Winds 10 to 15 Mph.

Tonight 16 Aug Grundy

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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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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