Rend Lake State Wildlife Refuge Weather Forecast

    • 68
    • 81

    Increasing Clouds

    • 71
    • 82

    Partly Sunny

    • 73
    • 87

    Slight Chance Thunderstorms

    • 73
    • 86

    Rain Showers Likely

    • 72
    • 82

    Rain Showers Likely

    • 73
    • 84

    Chance Thunderstorms

Today 4 Jun Jefferson

Mostly sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 4 Jun Jefferson

Partly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Rend Lake State Wildlife Refuge Temperature Statistics

June Temperature

Mount Vernon Airport (13.7 miles)

  • Lowest 1 June, 2026

    62.1 °F

  • Average June

    70.2 °F

  • Highest 1 June, 2026

    82 °F

Climate (2021–Present)

Mount Vernon Airport (13.7 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    69.1 °F
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