Deacon Thomas Lake Weather Forecast

    • 66
    • 96

    Partly Sunny

    • 62
    • 86

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 67
    • 88

    Chance Thunderstorms

    • 64
    • 82

    Rain Showers Likely

    • 63
    • 82

    Slight Chance Thunderstorms

    • 61
    • 85

    Mostly Sunny

Today 27 Jul Sauk

Mostly sunny. Heat index Readings 110 to 115. West Winds 10 to 15 Mph.

Tonight 27 Jul Sauk

Cooler. Partly cloudy. Lows in the mid 60s. North Winds 5 to 15 Mph. Highest heat index Readings 95 to 96 in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deacon Thomas Lake Temperature Statistics

July Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 23 July, 2026

    47.6 °F
  • Average July

    74.8 °F
  • Highest 15 July, 2026

    95.6 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    38.6 °F
  • Average 2021–2026

    49.4 °F
  • Average High 2021–2026

    60.3 °F
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