Mark Twain National Wildlife Refuge Weather Forecast

    • 60
    • 73

    Rain Showers Likely

    • 68
    • 80

    Chance Thunderstorms

    • 75
    • 89

    Mostly Sunny

    • 76
    • 92

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 74
    • 94

    Partly Sunny

Today 26 Jun Mercer

Mostly cloudy in the Morning, then becoming partly sunny. A slight chance of Thunderstorms. Showers Likely, mainly in the morning. Highs in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 26 Jun Mercer

Partly cloudy. Lows in the upper 50s. Northeast Winds 10 to 15 Mph.

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Mark Twain National Wildlife Refuge Temperature Statistics

June Temperature

Muscatine (19.3 miles)

  • Lowest 2 June, 2026

    51.8 °F

  • Average June

    72.2 °F

  • Highest 6 June, 2026

    95 °F

Climate (2021–2026)

Muscatine (19.3 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.4 °F
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