Mark Twain National Wildlife Refuge Weather Forecast

    • 62
    • 82

    Chance Thunderstorms

    • 56
    • 82

    Partly Sunny

    • 61
    • 80

    Mostly Sunny

    • 63
    • 85

    Slight Chance Thunderstorms

    • 56
    • 77

    Partly Sunny

    • 58
    • 73

    Slight Chance Rain Showers

Today 9 Oct Mercer

Mostly cloudy with numerous Showers and scattered Thunderstorms this Morning, then sunny this afternoon. Highs around 80. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 9 Oct Mercer

Clear. Lows in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Mark Twain National Wildlife Refuge Temperature Statistics

October Temperature

Muscatine (19.3 miles)

  • Lowest 5 October, 2026

    42.8 °F

  • Average October

    61.2 °F

  • Highest 7 October, 2026

    82.4 °F

Climate (2021–2026)

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

    63.4 °F
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