French Slough Weather Forecast

    • 62
    • 82

    Chance Thunderstorms

    • 59
    • 77

    Chance Thunderstorms

    • 60
    • 77

    Chance Rain Showers

    • 61
    • 79

    Chance Thunderstorms

    • 56
    • 78

    Chance Rain Showers

    • 54
    • 74

    Partly Sunny

Today 18 Sep La Crosse

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep La Crosse

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

French Slough Temperature Statistics

September Temperature

La Crosse - La Crosse Regional Airport (2.5 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    64.2 °F

  • Highest 12 September, 2025

    86 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.8 °F
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