Spartan State Wildlife Management Area Weather Forecast

    • 57
    • 84

    Chance Thunderstorms

    • 60
    • 91

    Mostly Sunny

    • 60
    • 92

    Mostly Sunny

    • 59
    • 91

    Partly Sunny

    • 58
    • 85

    Mostly Cloudy

    • 55
    • 81

    Slight Chance Thunderstorms

Today 24 May Chippewa

Warmer, sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 24 May Chippewa

Partly cloudy. Slight chance of Thunderstorms in the Evening, then slight chance of rain Showers after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Spartan State Wildlife Management Area Temperature Statistics

May Temperature

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (7.5 miles)

  • Lowest 5 May, 2026

    29.1 °F

  • Average May

    56.4 °F

  • Highest 15 May, 2026

    89.8 °F

Climate (2021–Present)

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (7.5 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.7 °F
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