Mendota Weather Forecast

    • 54
    • 71

    Becoming Sunny

    • 40
    • 82

    Rain Showers

    • 34
    • 51

    Mostly Sunny

    • 32
    • 52

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 50
    • 73

    Mostly Sunny

Today 16 Apr La Salle

Partly cloudy late in the morning then clearing. Isolated Showers late in the morning. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

Tonight 16 Apr La Salle

Mostly clear. Lows in the mid 50s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Mendota Temperature Statistics

April Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 7 April, 2026

    30.2 °F

  • Average April

    52.3 °F

  • Highest 12 April, 2026

    80.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.5 °F
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