Mark Twain National Wildlife Refuge Weather Forecast

    • 6
    • 28

    Snow

    • -6
    • 10

    Snow

    • -5
    • 5

    Cold

    • 16
    • 30

    Partly Sunny

    • 27
    • 37

    Mostly Cloudy

    • 32
    • 45

    Chance Rain

    • 21
    • 43

    Partly Sunny

Today 12 Dec Mercer

Mostly cloudy. Near steady temperature in the upper 20s. West Winds 5 to 10 Mph.

Tonight 12 Dec Mercer

Mostly cloudy. Colder with Lows 5 to 10 above. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 7 below.

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Mark Twain National Wildlife Refuge Temperature Statistics

December Temperature

Muscatine (19.3 miles)

  • Lowest 8 December, 2025

    -0.4 °F

  • Average December

    23.8 °F

  • Highest 9 December, 2025

    44.6 °F

Climate (2020–Present)

Muscatine (19.3 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    63 °F
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