Tri-County Regional Airport Weather Forecast

    • 62
    • 86

    Increasing Clouds

    • 59
    • 85

    Partly Sunny

    • 58
    • 78

    Chance Thunderstorms

    • 60
    • 80

    Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 17 Sep Sauk

Sunny. A 20 percent chance of light Showers in the morning. Highs in the mid 80s. Southwest Winds up to 5 Mph.

Tonight 17 Sep Sauk

Partly cloudy. Lows in the lower 60s. Calm Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-County Regional Airport Temperature Statistics

September Temperature

Lone Rock Tri-County Regional Airport (0 miles)

  • Lowest 7 September, 2025

    37.9 °F

  • Average September

    61.5 °F

  • Highest 14 September, 2025

    84.9 °F

Climate (2020–Present)

Lone Rock Tri-County Regional Airport (0 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    59.9 °F
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