Lewistown Weather Forecast

    • 39
    • 46

    Rain

    • 30
    • 47

    Chance Rain

    • 40
    • 49

    Mostly Cloudy

    • 33
    • 58

    Mostly Cloudy

    • 25
    • 46

    Partly Sunny

    • 27
    • 39

    Mostly Cloudy

Today 30 Jan Lewis

Cloudy with a slight chance of Thunderstorms. A chance of rain in the Morning, then rain in the afternoon. Patchy fog. Highs in the mid 40s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 30 Jan Lewis

A slight chance of Thunderstorms. Rain. Patchy fog. Near steady temperature in the lower 40s. East Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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Lewistown Temperature Statistics

January Temperature

Keokuk Municipal Airport (32.9 miles)

  • Lowest 21 January, 2025

    -11.2 °F

  • Average January

    21.3 °F

  • Highest 17 January, 2025

    55.4 °F

Climate (2020–Present)

Keokuk Municipal Airport (32.9 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.4 °F
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