Monson Lake Weather Forecast

    • -9
    • 6

    Cold

    • -10
    • 5

    Cold

    • 12
    • 16

    Partly Sunny

    • 9
    • 30

    Mostly Cloudy

    • 6
    • 19

    Mostly Cloudy

    • 9
    • 20

    Mostly Cloudy

Today 29 Jan Swift

Decreasing Clouds. Highs around 7. Northwest Winds up to 10 Mph.

Tonight 29 Jan Swift

Partly cloudy. Lows around 9 below. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monson Lake Temperature Statistics

January Temperature

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

  • Lowest 23 January, 2026

    -20.2 °F

  • Average January

    13.8 °F

  • Highest 13 January, 2026

    42.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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