Fort McCoy Barrens State Natural Area Weather Forecast

    • 55
    • 79

    Rain Showers

    • 39
    • 65

    Chance Rain Showers

    • 38
    • 63

    Partly Sunny

    • 43
    • 63

    Mostly Cloudy

    • 47
    • 70

    Chance Rain Showers

    • 51
    • 76

    Mostly Cloudy

Today 18 May Monroe

Mostly cloudy. Much warmer with Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 18 May Monroe

A chance of Thunderstorms. Showers. Lows in the mid 50s. Southwest Winds 10 to 15 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort McCoy Barrens State Natural Area Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    52.2 °F

  • Highest 15 May, 2026

    84.9 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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