Morrison Weather Forecast

    • 70
    • 92

    Becoming Sunny

    • 67
    • 89

    Slight Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 67
    • 83

    Partly Sunny

    • 69
    • 91

    Rain Showers Likely

    • 63
    • 86

    Slight Chance Thunderstorms

    • 59
    • 80

    Partly Sunny

Today 4 Sep Grundy

Sunny. Near steady temperature in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 103.

Tonight 4 Sep Grundy

Partly cloudy this Evening, then clearing. Lows in the upper 60s. Southeast Winds around 5 Mph, becoming east after midnight. Heat index Values up to 105 early this evening.

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  • Temperature Real-Time

Morrison Temperature Statistics

September Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 1 September, 2026

    68.6 °F

  • Average September

    79.4 °F

  • Highest 1 September, 2026

    92.6 °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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