Spartan State Wildlife Management Area Weather Forecast

    • 53
    • 68

    Rain Showers

    • 46
    • 71

    Mostly Sunny

    • 50
    • 67

    Chance Rain Showers

    • 55
    • 73

    Rain Showers Likely

    • 54
    • 73

    Chance Rain Showers

    • 51
    • 71

    Partly Sunny

Today 14 Sep Chippewa

Breezy. Rain Showers likely and slight chance of Thunderstorms early in the Morning, then rain Showers in the late morning and early afternoon. Chance of Thunderstorms in the late morning and afternoon. Locally heavy rainfall possible late in the morning. Highs in the mid 60s. Southeast Winds 15 to 25 Mph. Chance of precipitation near 100 percent.

Tonight 14 Sep Chippewa

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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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 10 September, 2026

    50.5 °F
  • Average September

    72.9 °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

    37.5 °F
  • Average 2021–2026

    48 °F
  • Average High 2021–2026

    58.5 °F
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