Monson Lake Weather Forecast

    • 2
    • 17

    Becoming Sunny

    • 20
    • 26

    Partly Sunny

    • 17
    • 36

    Mostly Cloudy

    • 15
    • 24

    Mostly Cloudy

    • 28
    • 35

    Mostly Cloudy

    • 22
    • 39

    Partly Sunny

Today 20 Dec Swift

Breezy, sunny. Patchy blowing snow in the afternoon. Highs around 20. Northwest Winds 15 to 25 Mph.

Tonight 20 Dec Swift

Colder, clear. Lows around 4. Northwest Winds up to 10 Mph shifting to the southeast after midnight.

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  • Temperature Real-Time

Monson Lake Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    -14.8 °F

  • Average December

    13.4 °F

  • Highest 16 December, 2025

    44.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    56 °F
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