Monticello Weather Forecast

    • 50
    • 79

    Thunderstorms

    • 44
    • 59

    Rain Showers

    • 39
    • 58

    Slight Chance Rain Showers

    • 48
    • 66

    Partly Sunny

    • 48
    • 71

    Chance Thunderstorms

    • 53
    • 77

    Chance Rain Showers

    • 48
    • 69

    Chance Rain Showers

Today 4 May Lewis

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 4 May Lewis

Partly cloudy this Evening, then becoming mostly cloudy. Scattered Showers and Thunderstorms. Lows in the lower 50s. Southwest Winds 10 to 15 Mph, becoming north 5 to 10 Mph after midnight. Chance of rain 50 percent.

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Monticello Temperature Statistics

May Temperature

Keokuk Municipal Airport (28 miles)

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  • Average May

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Climate (2021–Present)

Keokuk Municipal Airport (28 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.3 °F
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