Shagnasty Lake Weather Forecast

    • 65
    • 83

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 50
    • 85

    Rain Showers Likely

    • 41
    • 61

    Partly Sunny

    • 44
    • 64

    Mostly Cloudy

Today 17 May Allegan

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms. Highs in the mid 80s. Light Winds becoming southeast 5 to 10 Mph with Gusts to around 25 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 May Allegan

Partly cloudy. A chance of Showers and a slight chance of Thunderstorms in the evening. Lows in the mid 60s. South Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shagnasty Lake Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2026

    32.6 °F

  • Average May

    49.5 °F

  • Highest 4 May, 2026

    76.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
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