Lannon Lake Weather Forecast

    • 66
    • 86

    Thunderstorms Likely

    • 68
    • 94

    Rain Showers

    • 59
    • 87

    Chance Rain Showers

    • 56
    • 76

    Slight Chance Thunderstorms

    • 55
    • 79

    Partly Sunny

    • 52
    • 74

    Partly Sunny

Today 8 Jun Big Stone

Partly sunny. A slight chance of Thunderstorms late this Morning, then Thunderstorms likely this afternoon. Highs in the upper 80s. Southeast Winds 5 to 10 Mph, becoming west this afternoon. Chance of rain 40 percent.

Tonight 8 Jun Big Stone

Mostly cloudy. A chance of Thunderstorms, mainly in the evening. Lows in the mid 60s. North Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 40 percent.

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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

    71.9 °F

  • Highest 2 June, 2026

    87.8 °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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