Mark Twain National Wildlife Refuge Weather Forecast

    • 51
    • 81

    Slight Chance Thunderstorms

    • 45
    • 72

    Sunny

    • 55
    • 75

    Partly Sunny

    • 58
    • 84

    Slight Chance Thunderstorms

    • 62
    • 89

    Rain Showers Likely

    • 63
    • 88

    Rain Showers Likely

Today 12 May Mercer

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Breezy, warmer with Highs in the lower 80s. South Winds 15 to 20 Mph, becoming southwest 20 to 25 Mph this afternoon. Chance of rain 20 percent.

Tonight 12 May Mercer

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mark Twain National Wildlife Refuge Temperature Statistics

May Temperature

Muscatine (19.3 miles)

  • Lowest 7 May, 2026

    32 °F

  • Average May

    55.7 °F

  • Highest 4 May, 2026

    84.2 °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

    63.4 °F
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