Mendota Weather Forecast

    • 72
    • 86

    Thunderstorms Likely

    • 60
    • 83

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 65
    • 84

    Mostly Sunny

Today 20 Jul La Salle

Partly cloudy. Smoke in the morning. Highs in the upper 80s. South Winds 5 to 10 Mph, increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 20 Jul La Salle

Mostly cloudy. A slight chance of Showers and Thunderstorms early in the Evening, then a chance of Showers and Thunderstorms late in the evening. Showers and Thunderstorms likely after midnight. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Chance of precipitation 70 percent.

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Mendota Temperature Statistics

July Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 12 July, 2026

    64.4 °F

  • Average July

    78.9 °F

  • Highest 2 July, 2026

    93.2 °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

    62.7 °F
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