Sigourney Weather Forecast

    • 72
    • 90

    Decreasing Clouds

    • 67
    • 90

    Rain Showers

    • 58
    • 85

    Rain Showers

    • 61
    • 83

    Slight Chance Thunderstorms

    • 59
    • 86

    Chance Thunderstorms

    • 57
    • 79

    Slight Chance Rain Showers

Today 9 Jun Keokuk

Patchy fog after midnight. Partly cloudy. Hot with Highs around 90. Southwest Winds 5 to 10 Mph. Heat index Values up to 101 this afternoon.

Tonight 9 Jun Keokuk

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 101 early in the evening.

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Sigourney Temperature Statistics

June Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 2 June, 2026

    57.4 °F

  • Average June

    76 °F

  • Highest 6 June, 2026

    91.2 °F

Climate (2021–Present)

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

    65.2 °F
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