Mendota Weather Forecast

    • 67
    • 84

    Chance Rain Showers

    • 64
    • 79

    Rain Showers

    • 62
    • 79

    Chance Thunderstorms

    • 64
    • 81

    Partly Sunny

    • 69
    • 84

    Slight Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

Today 4 Aug La Salle

Partly cloudy. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 4 Aug La Salle

Mostly cloudy. A slight chance of Showers after midnight. A slight chance of Thunderstorms late. Lows in the upper 60s. South Winds around 5 Mph. Chance of precipitation 20 percent.

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Mendota Temperature Statistics

August Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 1 August, 2026

    66.2 °F

  • Average August

    69.2 °F

  • Highest 1 August, 2026

    69.8 °F

Climate (2021–2026)

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

    62.6 °F
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