Twin Valley Lake Weather Forecast

    • 70
    • 89

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 70
    • 89

    Rain Showers Likely

    • 64
    • 83

    Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 64
    • 84

    Chance Rain Showers

    • 63
    • 83

    Chance Rain Showers

Today 3 Jul Iowa

Partly sunny with a 20 percent chance of light Showers and Thunderstorms. Southwest Winds 5 to 10 Mph.

Tonight 3 Jul Iowa

Partly cloudy in the evening then becoming mostly cloudy. Chance of light Showers and Thunderstorms through around Midnight, then Showers and Thunderstorms likely after midnight. Lows around 70. South Winds up to 5 Mph. Chance of precipitation 70 percent.

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Twin Valley Lake Temperature Statistics

July Temperature

Iowa County Airport (11.8 miles)

  • Lowest 1 July, 2025

    60.8 °F

  • Average July

    71.7 °F

  • Highest 1 July, 2025

    82.4 °F

Climate (2020–Present)

Iowa County Airport (11.8 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    58.8 °F
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