Sparta/Fort McCoy Airport Weather Forecast

    • 56
    • 78

    Rain Showers

    • 41
    • 67

    Chance Rain Showers

    • 39
    • 63

    Partly Sunny

    • 43
    • 67

    Mostly Cloudy

    • 48
    • 72

    Slight Chance Thunderstorms

    • 53
    • 77

    Slight Chance Thunderstorms

Today 18 May Monroe

Mostly cloudy. A chance of Showers and Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Warmer with Highs in the upper 70s. Southwest Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 18 May Monroe

A chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Lows in the upper 50s. South Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight. Chance of rain 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sparta/Fort McCoy Airport Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    51.1 °F

  • Highest 15 May, 2026

    84.9 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
Get WillyWeather+ to remove ads