Deacon Thomas Lake Weather Forecast

    • 77
    • 95

    Slight Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 73
    • 91

    Rain Showers Likely

    • 71
    • 89

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

Today 29 Jun Sauk

Hot and humid. Warmer, sunny. Near steady temperature in the lower 90s. South Winds around 15 Mph with Gusts to around 30 Mph. Heat index Readings 102 to 107.

Tonight 29 Jun Sauk

Partly cloudy. A 20 percent chance of light Showers and Thunderstorms after midnight. Lows in the upper 70s. South Winds 5 to 15 Mph with Gusts to around 30 Mph. Highest heat index Readings 100 to 105 in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deacon Thomas Lake Temperature Statistics

June Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 15 June, 2026

    45.6 °F

  • Average June

    67.6 °F

  • Highest 10 June, 2026

    89.7 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    60.3 °F
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