Mendota Weather Forecast

    • 48
    • 68

    Rain Showers

    • 46
    • 62

    Chance Rain Showers

    • 40
    • 60

    Partly Sunny

    • 39
    • 59

    Mostly Cloudy

    • 36
    • 55

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 48
    • 67

    Chance Rain Showers

Today 27 Apr La Salle

Showers with Thunderstorms likely late. Windy. Highs in the mid 60s. Southeast Winds 20 to 30 Mph with Gusts up to 50 Mph in the early to mid Afternoon, becoming south 15 to 20 Mph with Gusts up to 35 Mph late. Chance of precipitation near 100 percent.

Tonight 27 Apr La Salle

Mostly cloudy. Numerous Showers and scattered Thunderstorms early in the Evening, then a slight chance of Showers late in the evening. Lows in the upper 40s. Southwest Winds 10 to 15 Mph, becoming west after midnight. Gusts up to 25 Mph. Chance of precipitation 70 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

    54.1 °F

  • Highest 17 April, 2026

    84 °F

Climate (2021–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.5 °F
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