Rend Lake State Wildlife Refuge Weather Forecast

    • 38
    • 55

    Chance Rain Showers

    • 44
    • 48

    Mostly Cloudy

    • 44
    • 62

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 47
    • 52

    Chance Rain

    • 47
    • 57

    Rain Likely

Today 31 Jan Jefferson

Mostly cloudy. Areas of dense fog in the morning. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 50s. Southwest Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 31 Jan Jefferson

Cloudy. Lows in the mid 30s. Northwest Winds 5 to 10 Mph, becoming north after midnight.

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Rend Lake State Wildlife Refuge Temperature Statistics

January Temperature

Mount Vernon Airport (13.7 miles)

  • Lowest 15 January, 2025

    -3.2 °F

  • Average January

    25 °F

  • Highest 28 January, 2025

    52 °F

Climate (2020–Present)

Mount Vernon Airport (13.7 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    67.4 °F
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