Mendota Weather Forecast

    • 40
    • 82

    Thunderstorms

    • 33
    • 48

    Slight Chance Rain Showers

    • 32
    • 52

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 51
    • 73

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

Today 17 Apr La Salle

Partly cloudy in the Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms late. Breezy with Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 17 Apr La Salle

Thunderstorms in the evening. Showers. A slight chance of Thunderstorms after midnight. Breezy with Lows in the lower 40s. South Winds 15 to 20 Mph, becoming west after midnight. Gusts up to 30 Mph. Chance of precipitation near 100 percent.

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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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