Sigourney Weather Forecast

    • 75
    • 93

    Mostly Sunny

    • 76
    • 93

    Slight Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 71
    • 92

    Chance Thunderstorms

    • 69
    • 91

    Chance Thunderstorms

    • 67
    • 89

    Chance Rain Showers

Today 30 Jun Keokuk

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 107 this afternoon.

Tonight 30 Jun Keokuk

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 106 early in the evening.

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Sigourney Temperature Statistics

June Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 15 June, 2026

    52.7 °F

  • Average June

    72.3 °F

  • Highest 9 June, 2026

    93.9 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.2 °F
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