Tower Hill State Park Weather Forecast

    • 54
    • 88

    Slight Chance Thunderstorms

    • 50
    • 79

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 52
    • 84

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

Today 27 May Iowa

Partly sunny. Slight chance of light Showers early in the afternoon. Chance of light Showers and slight chance of Thunderstorms late in the afternoon. Highs in the mid 80s. North Winds up to 5 Mph. Chance of precipitation 30 percent.

Tonight 27 May Iowa

Partly cloudy. Near steady temperature in the lower 60s. Northeast Winds up to 5 Mph.

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Tower Hill State Park Temperature Statistics

May Temperature

Lone Rock Tri-County Regional Airport (8.1 miles)

  • Lowest 6 May, 2026

    27.6 °F

  • Average May

    56 °F

  • Highest 16 May, 2026

    85.6 °F

Climate (2021–Present)

Lone Rock Tri-County Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    60.3 °F
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