Sigourney Weather Forecast

    • 41
    • 65

    Slight Chance Rain Showers

    • 47
    • 71

    Partly Sunny

    • 45
    • 77

    Chance Rain Showers

    • 41
    • 65

    Mostly Sunny

    • 49
    • 70

    Chance Rain Showers

    • 47
    • 75

    Partly Sunny

    • 49
    • 74

    Partly Sunny

Today 7 May Keokuk

Mostly cloudy with a chance of Showers with isolated Thunderstorms. Near steady temperature in the lower 60s. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 7 May Keokuk

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sigourney Temperature Statistics

May Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 1 May, 2026

    38.8 °F

  • Average May

    58 °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

    54.2 °F

  • Average High 2021–2026

    65.1 °F
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