Rend Lake Weather Forecast

    • 25
    • 44

    Chance Snow Showers

    • 15
    • 28

    Partly Sunny

    • 17
    • 27

    Mostly Sunny

    • 11
    • 22

    Mostly Sunny

    • 24
    • 31

    Mostly Sunny

    • 25
    • 43

    Partly Sunny

Today 16 Jan Franklin

Mostly cloudy. A slight chance of rain Showers in the afternoon. Highs in the mid 40s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 16 Jan Franklin

Mostly cloudy. A chance of snow Showers in the evening. Little or no snow accumulation. Lows in the lower 20s. West Winds 5 to 10 Mph. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rend Lake Temperature Statistics

January Temperature

Mount Vernon Airport (18.6 miles)

  • Lowest 4 January, 2026

    18 °F

  • Average January

    40.4 °F

  • Highest 8 January, 2026

    66.9 °F

Climate (2021–Present)

Mount Vernon Airport (18.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.5 °F
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