Lannon Lake Weather Forecast

    • 57
    • 77

    Increasing Clouds

    • 55
    • 77

    Rain Showers Likely

    • 52
    • 72

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 61
    • 76

    Chance Rain Showers

    • 66
    • 82

    Rain Showers Likely

Today 22 Jun Big Stone

Partly sunny. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 22 Jun Big Stone

Mostly clear. Near steady temperature in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    68.6 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–2026)

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

    54.4 °F
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