Dewey Lake Weather Forecast

    • 22
    • 26

    Snow

    • 15
    • 29

    Snow

    • 13
    • 22

    Mostly Cloudy

    • 17
    • 27

    Mostly Cloudy

    • 18
    • 28

    Mostly Cloudy

    • 23
    • 31

    Slight Chance Snow

Today 30 Dec Cass

Mostly cloudy. Areas of blowing snow in the morning. A chance of snow Showers in the afternoon. Additional snow accumulation up to 1 inch possible. Near steady temperature in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 40 percent.

Tonight 30 Dec Cass

Snow, mainly in the evening. Light snow accumulation. Cold with Lows around 20. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 90 percent.

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Dewey Lake Temperature Statistics

December Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 8 December, 2025

    3 °F

  • Average December

    29.1 °F

  • Highest 18 December, 2025

    51.1 °F

Climate (2020–Present)

Southwest Michigan Regional Airport (12.4 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    60.6 °F
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