Mendota Weather Forecast

    • 68
    • 91

    Rain Showers

    • 58
    • 86

    Rain Showers

    • 62
    • 80

    Mostly Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 55
    • 76

    Slight Chance Thunderstorms

    • 55
    • 74

    Slight Chance Thunderstorms

Today 10 Jun La Salle

Partly cloudy late in the Morning, then becoming mostly cloudy. Showers and Thunderstorms likely in the afternoon. Some Thunderstorms may produce gusty Winds and small hail in the afternoon. Breezy. Highs in the upper 80s. Temperature falling into the upper 70s in the afternoon. Southwest Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of precipitation 70 percent.

Tonight 10 Jun La Salle

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce gusty Winds and small hail in the evening. Breezy with Lows around 70. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent.

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Mendota Temperature Statistics

June Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 3 June, 2026

    51.8 °F
  • Average June

    73.5 °F
  • Highest 6 June, 2026

    91.4 °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

    62.6 °F
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