Sigourney Weather Forecast

    • 62
    • 87

    Rain Showers Likely

    • 61
    • 85

    Rain Showers Likely

    • 67
    • 88

    Rain Showers

    • 61
    • 87

    Rain Showers

    • 47
    • 71

    Slight Chance Rain Showers

    • 46
    • 68

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 15 May Keokuk

Sunny. Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 May Keokuk

Showers likely with a chance of Thunderstorms. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sigourney Temperature Statistics

May Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 7 May, 2026

    37.8 °F

  • Average May

    60 °F

  • Highest 4 May, 2026

    85.8 °F

Climate (2021–Present)

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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