Mark Twain National Wildlife Refuge Weather Forecast

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 84

    Rain Showers Likely

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

    • 66
    • 83

    Chance Rain Showers

Today 7 Aug Mercer

Patchy fog in the morning. Mostly sunny. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 7 Aug Mercer

Partly cloudy. Patchy fog. Near steady temperature in the upper 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Mark Twain National Wildlife Refuge Temperature Statistics

August Temperature

Muscatine (19.3 miles)

  • Lowest 3 August, 2026

    60.8 °F

  • Average August

    72.4 °F

  • Highest 4 August, 2026

    87.8 °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

    63.5 °F
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