Shagnasty Lake Weather Forecast

    • 31
    • 38

    Rain Showers Likely

    • 29
    • 38

    Rain Showers

    • 34
    • 39

    Rain Showers

    • 31
    • 43

    Chance Rain/Snow

    • 15
    • 40

    Snow Showers Likely

    • 17
    • 20

    Slight Chance Snow Showers

Today 24 Dec Allegan

Cloudy. Highs around 40. East Winds 5 to 10 Mph becoming southeast with Gusts to around 20 Mph in the afternoon.

Tonight 24 Dec Allegan

Rain Showers in the Evening, then a slight chance of rain Showers after midnight. Lows in the lower 30s. Southeast Winds around 10 Mph in the evening becoming light. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shagnasty Lake Temperature Statistics

December Temperature

Grand Rapids, Gerald R. Ford International Airport (23 miles)

  • Lowest 8 December, 2025

    3 °F

  • Average December

    23.9 °F

  • Highest 18 December, 2025

    48 °F

Climate (2020–Present)

Grand Rapids, Gerald R. Ford International Airport (23 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.6 °F
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