Spartan State Wildlife Management Area Weather Forecast

    • 68
    • 81

    Rain Showers Likely

    • 59
    • 84

    Slight Chance Thunderstorms

    • 51
    • 76

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

Today 7 Sep Chippewa

Cloudy with slight chance of Showers in the Morning, then partly sunny with slight chance of Thunderstorms in the afternoon. Highs around 80. South Winds 10 to 20 Mph. Chance of precipitation 20 percent.

Tonight 7 Sep Chippewa

Showers likely and chance of Thunderstorms. Lows in the upper 60s. South Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of precipitation 70 percent.

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Spartan State Wildlife Management Area Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    57 °F

  • Average September

    76 °F

  • Highest 3 September, 2026

    92.8 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.5 °F
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