Tri-County Regional Airport Weather Forecast

    • 60
    • 74

    Rain Showers

    • 61
    • 73

    Rain Showers

    • 48
    • 69

    Rain Showers Likely

    • 40
    • 67

    Mostly Sunny

    • 45
    • 66

    Partly Sunny

    • 40
    • 66

    Mostly Sunny

    • 41
    • 63

    Mostly Sunny

Today 29 Sep Sauk

Mostly sunny. Highs in the mid 60s.

Tonight 29 Sep Sauk

Chance of light rain Showers in the Evening, then slight chance of Thunderstorms in the late evening and early morning. Light rain Showers in the late evening and overnight. Lows around 60. South Winds 5 to 15 Mph. Chance of precipitation 90 percent.

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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 23 September, 2026

    40.6 °F

  • Average September

    66 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (0 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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