Storm Lake Weather Forecast

    • 38
    • 48

    Rain Showers Likely

    • 39
    • 66

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 43
    • 65

    Slight Chance Rain Showers

    • 45
    • 67

    Slight Chance Rain Showers

    • 45
    • 69

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

Today 21 May Sargent

Showers likely. Highs 45 to 50. North Winds around 5 Mph. Chance of rain 70 percent.

Tonight 21 May Sargent

Cloudy. A chance of Showers this evening. Lows 35 to 40. North Winds up to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Storm Lake Temperature Statistics

May Temperature

Gwinner (8.1 miles)

  • Lowest 16 May, 2025

    37.4 °F

  • Average May

    60.9 °F

  • Highest 11 May, 2025

    95 °F

Climate (2020–Present)

Gwinner (8.1 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    54.2 °F
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