Sigourney Weather Forecast

    • 70
    • 92

    Rain Showers

    • 62
    • 82

    Rain Showers Likely

    • 57
    • 80

    Sunny

    • 65
    • 85

    Rain Showers Likely

    • 60
    • 82

    Chance Rain Showers

    • 61
    • 77

    Chance Thunderstorms

    • 59
    • 81

    Chance Rain Showers

Today 8 Sep Keokuk

Sunny, hot. Near steady temperature in the lower 90s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 8 Sep Keokuk

Sunny Early, then partly cloudy with a chance of Showers and Thunderstorms this evening. Occasional Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds around 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain near 100 percent.

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Sigourney Temperature Statistics

September Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 1 September, 2026

    71.6 °F

  • Average September

    82.5 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.3 °F
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