Halverson Lake Weather Forecast

    • 70
    • 82

    Rain Showers Likely

    • 68
    • 88

    Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 68
    • 83

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Rain Showers

Today 3 Sep Iowa

Mostly sunny with a 20 percent chance of light Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 3 Sep Iowa

Partly cloudy until early morning then becoming mostly cloudy. A 50 percent chance of light Showers and Thunderstorms in the late evening and overnight. Patchy fog early in the morning. Lows around 70. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halverson Lake Temperature Statistics

September Temperature

Lone Rock Tri-County Regional Airport (11.8 miles)

  • Lowest 1 September, 2026

    69.1 °F

  • Average September

    77.1 °F

  • Highest 1 September, 2026

    89.1 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    60.4 °F
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