Mendota Weather Forecast

    • 55
    • 76

    Decreasing Clouds

    • 59
    • 76

    Partly Sunny

    • 61
    • 80

    Rain Showers Likely

    • 49
    • 74

    Rain Showers Likely

    • 46
    • 70

    Partly Sunny

    • 52
    • 70

    Chance Rain Showers

    • 48
    • 68

    Rain Showers Likely

Today 21 Apr La Salle

Partly cloudy in the Morning, then becoming mostly cloudy. Isolated Showers and Thunderstorms early in the afternoon. Scattered Showers and Thunderstorms late. Breezy. Highs in the upper 70s. Southwest Winds 15 to 20 Mph, becoming 15 to 25 Mph in the afternoon. Gusts up to 35 Mph. Chance of precipitation 30 percent.

Tonight 21 Apr La Salle

Partly cloudy in the evening then clearing. Lows in the upper 50s. Southwest Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph 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

    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

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.5 °F
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