Lewistown Weather Forecast

    • 3
    • 23

    Mostly Sunny

    • 6
    • 28

    Mostly Cloudy

    • 0
    • 18

    Mostly Cloudy

    • -1
    • 15

    Mostly Sunny

    • 5
    • 22

    Partly Sunny

    • 16
    • 29

    Mostly Cloudy

Today 27 Jan Lewis

Sunny. Not as cool with Highs in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 1 below.

Tonight 27 Jan Lewis

Mostly clear. Cold with Lows around 2 above. West Winds around 5 Mph.

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  • Temperature Real-Time

Lewistown Temperature Statistics

January Temperature

Keokuk Municipal Airport (32.9 miles)

  • Lowest 23 January, 2026

    -7.6 °F

  • Average January

    27.7 °F

  • Highest 7 January, 2026

    62.6 °F

Climate (2021–Present)

Keokuk Municipal Airport (32.9 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.7 °F
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