Willmar Lake Weather Forecast

    • 57
    • 80

    Gradual Clearing

    • 50
    • 74

    Mostly Sunny

    • 61
    • 79

    Mostly Sunny

    • 55
    • 82

    Chance Thunderstorms

    • 50
    • 71

    Chance Rain Showers

    • 50
    • 67

    Chance Rain Showers

Today 8 Sep Kandiyohi

Mostly cloudy. A 20 percent chance of Thunderstorms in the morning. Highs in the lower 80s. South Winds 5 to 15 Mph shifting to the west 5 to 10 Mph in the afternoon.

Tonight 8 Sep Kandiyohi

Mostly cloudy. Chance of Thunderstorms after Midnight, then chance of Showers and slight chance of Thunderstorms early in the morning. Near steady temperature in the upper 60s. South Winds 10 to 15 Mph. Chance of precipitation 50 percent.

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Willmar Lake Temperature Statistics

September Temperature

Willmar Municipal Airport - John L. Rice Field (4.3 miles)

  • Lowest 1 September, 2026

    55.4 °F

  • Average September

    73.8 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Willmar Municipal Airport - John L. Rice Field (4.3 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.9 °F
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