Monson Lake State Park Weather Forecast

    • 72
    • 88

    Rain Showers Likely

    • 65
    • 84

    Rain Showers Likely

    • 63
    • 80

    Mostly Sunny

    • 66
    • 82

    Slight Chance Thunderstorms

    • 69
    • 85

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 66
    • 85

    Slight Chance Thunderstorms

Today 22 Jul Swift

Warmer. Mostly sunny. Highs around 90. South Winds 15 to 20 Mph.

Tonight 22 Jul Swift

Increasing Clouds. Slight chance of Thunderstorms early in the evening. Chance of Thunderstorms in the late evening and overnight. Lows in the lower 70s. South Winds 5 to 15 Mph. Chance of Thunderstorms 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monson Lake State Park Temperature Statistics

July Temperature

Willmar Municipal Airport - John L. Rice Field (16.2 miles)

  • Lowest 17 July, 2025

    51.8 °F

  • Average July

    72.3 °F

  • Highest 4 July, 2025

    91.4 °F

Climate (2020–Present)

Willmar Municipal Airport - John L. Rice Field (16.2 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    56 °F
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