Galva Weather Forecast

    • 16
    • 36

    Mostly Sunny

    • 29
    • 37

    Mostly Cloudy

    • 29
    • 46

    Partly Sunny

    • 29
    • 41

    Mostly Cloudy

    • 37
    • 49

    Mostly Cloudy

    • 30
    • 54

    Partly Sunny

Today 20 Dec Ida

Sunny. Highs in the mid 30s. Northwest Winds 10 to 15 Mph.

Tonight 20 Dec Ida

Mostly clear. Cooler with Lows around 17. West Winds around 5 Mph, becoming southeast after midnight.

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Galva Temperature Statistics

December Temperature

Storm Lake (11.2 miles)

  • Lowest 14 December, 2025

    -11.2 °F

  • Average December

    18.7 °F

  • Highest 16 December, 2025

    42.8 °F

Climate (2020–Present)

Storm Lake (11.2 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    58.6 °F
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