Mendota Weather Forecast

    • 74
    • 89

    Chance Thunderstorms

    • 72
    • 90

    Slight Chance Thunderstorms

    • 62
    • 84

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 65
    • 84

    Slight Chance Thunderstorms

    • 67
    • 84

    Slight Chance Thunderstorms

Today 26 Jul La Salle

Mostly cloudy. Patchy fog early in the morning. A slight chance of Showers and Thunderstorms in the late morning and afternoon. Humid with Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent. Heat index Values up to 104.

Tonight 26 Jul La Salle

Mostly cloudy. Patchy fog. Near steady temperature around 70. South Winds around 5 Mph.

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Mendota Temperature Statistics

July Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 23 July, 2026

    53.6 °F

  • Average July

    77.2 °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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