Lannon Lake Weather Forecast

    • 48
    • 68

    Increasing Clouds

    • 50
    • 72

    Mostly Sunny

    • 50
    • 77

    Chance Thunderstorms

    • 54
    • 74

    Chance Rain Showers

    • 50
    • 74

    Rain Showers Likely

    • 52
    • 73

    Partly Sunny

Today 13 Jun Big Stone

Partly sunny. Not as warm with Highs in the upper 60s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 13 Jun Big Stone

Partly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 6 June, 2026

    57.2 °F

  • Average June

    73.4 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.5 °F
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