Morrison Weather Forecast

    • 53
    • 80

    Rain Showers

    • 41
    • 63

    Slight Chance Rain Showers

    • 42
    • 62

    Partly Sunny

    • 45
    • 65

    Mostly Cloudy

    • 50
    • 70

    Slight Chance Thunderstorms

    • 55
    • 77

    Slight Chance Thunderstorms

Today 18 May Grundy

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 18 May Grundy

Showers with Thunderstorms likely. Some Thunderstorms may produce damaging Winds, large Hail, and Tornadoes. Near steady temperature in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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Morrison Temperature Statistics

May Temperature

Waterloo, Waterloo Municipal Airport (19.9 miles)

  • Lowest 2 May, 2026

    28.7 °F

  • Average May

    55.8 °F

  • Highest 15 May, 2026

    88 °F

Climate (2021–Present)

Waterloo, Waterloo Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    62 °F
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