Tower Hill State Park Weather Forecast

    • 43
    • 56

    Increasing Clouds

    • 44
    • 75

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 53
    • 78

    Rain Showers

    • 42
    • 65

    Chance Rain Showers

    • 40
    • 62

    Partly Sunny

Today 20 Apr Iowa

Sunny. Widespread frost in the morning. Highs in the lower 50s. South Winds up to 15 Mph.

Tonight 20 Apr Iowa

Not as cool. Mostly cloudy through around midnight then becoming partly cloudy. Lows in the lower 40s. South Winds 5 to 15 Mph.

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Tower Hill State Park Temperature Statistics

April Temperature

Lone Rock Tri-County Regional Airport (8.1 miles)

  • Lowest 7 April, 2026

    18.6 °F

  • Average April

    50 °F

  • Highest 14 April, 2026

    78.7 °F

Climate (2021–Present)

Lone Rock Tri-County Regional Airport (8.1 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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