LaSalle Weather Forecast

    • 43
    • 64

    Increasing Clouds

    • 41
    • 68

    Mostly Cloudy

    • 52
    • 69

    Partly Sunny

    • 32
    • 69

    Mostly Cloudy

    • 31
    • 48

    Partly Sunny

    • 36
    • 54

    Mostly Cloudy

Today 19 Mar La Salle

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the lower 60s. Southeast Winds around 5 Mph.

Tonight 19 Mar La Salle

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 40s. East Winds around 5 Mph, becoming southwest after midnight.

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LaSalle Temperature Statistics

March Temperature

Illinois Valley Regional Airport (3.1 miles)

  • Lowest 16 March, 2026

    17.1 °F

  • Average March

    43.4 °F

  • Highest 10 March, 2026

    76.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.4 °F
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