Lannon Lake Weather Forecast

    • 34
    • 63

    Mostly Cloudy

    • 35
    • 52

    Rain Likely

    • 34
    • 44

    Rain

    • 41
    • 54

    Chance Rain

    • 38
    • 61

    Partly Sunny

    • 42
    • 60

    Partly Sunny

    • 45
    • 63

    Chance Rain

Today 24 Oct Big Stone

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. Highs in the lower 60s.

Tonight 24 Oct Big Stone

Mostly cloudy. Much cooler with Lows in the mid 30s. Northwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 19 October, 2026

    30.2 °F

  • Average October

    54.2 °F

  • Highest 10 October, 2026

    93.2 °F

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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

  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.5 °F
Get WillyWeather+ to remove ads