LaSalle Weather Forecast

    • 55
    • 78

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 65
    • 83

    Slight Chance Thunderstorms

    • 67
    • 86

    Partly Sunny

    • 69
    • 87

    Partly Sunny

    • 71
    • 88

    Slight Chance Thunderstorms

Today 2 Aug La Salle

Partly cloudy. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 2 Aug La Salle

Increasing Clouds. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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LaSalle Temperature Statistics

August Temperature

Illinois Valley Regional Airport (3.1 miles)

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  • Average August

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Climate (2020–Present)

Illinois Valley Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62 °F
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