Mark Twain National Wildlife Refuge Weather Forecast

    • 59
    • 87

    Partly Sunny

    • 63
    • 83

    Mostly Cloudy

    • 60
    • 82

    Mostly Cloudy

    • 59
    • 82

    Partly Sunny

    • 59
    • 86

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 28 May Mercer

Partly sunny. Near steady temperature in the mid 80s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 28 May Mercer

Partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Mark Twain National Wildlife Refuge Temperature Statistics

May Temperature

Muscatine (19.3 miles)

  • Lowest 7 May, 2026

    32 °F

  • Average May

    62.7 °F

  • Highest 25 May, 2026

    87.8 °F

Climate (2021–Present)

Muscatine (19.3 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.5 °F
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