Tower Hill State Park Weather Forecast

    • 64
    • 70

    Rain Showers

    • 48
    • 69

    Rain Showers

    • 40
    • 65

    Mostly Sunny

    • 46
    • 67

    Partly Sunny

    • 38
    • 66

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

Today 30 Sep Iowa

Cloudy. Areas of drizzle through the day. Highs in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 30 Sep Iowa

Scattered light Showers in the Evening, then Showers in the late evening and overnight. Slight chance of Thunderstorms after midnight. Lows in the lower 60s. Southwest Winds up to 5 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tower Hill State Park Temperature Statistics

September Temperature

Lone Rock Tri-County Regional Airport (8.1 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 (8.1 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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