Mendota Weather Forecast

    • 42
    • 65

    Becoming Sunny

    • 51
    • 70

    Partly Sunny

    • 56
    • 80

    Thunderstorms

    • 58
    • 85

    Thunderstorms

    • 63
    • 84

    Thunderstorms

    • 60
    • 85

    Thunderstorms

Today 13 May La Salle

Partly cloudy. Highs in the mid 60s. Northwest Winds 15 to 20 Mph with Gusts up to 25 Mph.

Tonight 13 May La Salle

Mostly clear. Lows in the lower 40s. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Mendota Temperature Statistics

May Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    55 °F

  • Highest 4 May, 2026

    82.4 °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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