Sigourney Weather Forecast

    • 28
    • 42

    Increasing Clouds

    • 18
    • 36

    Partly Sunny

    • 25
    • 32

    Mostly Sunny

    • 35
    • 46

    Mostly Cloudy

    • 30
    • 49

    Slight Chance Rain/Snow

    • 20
    • 35

    Mostly Cloudy

Today 9 Jan Keokuk

Mostly sunny. Much cooler with Highs in the lower 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming north 5 to 10 Mph this afternoon.

Tonight 9 Jan Keokuk

Mostly cloudy. A slight chance of snow after midnight. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

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Sigourney Temperature Statistics

January Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 1 January, 2026

    18.5 °F

  • Average January

    33.4 °F

  • Highest 7 January, 2026

    60.1 °F

Climate (2021–Present)

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.7 °F
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