LaSalle Weather Forecast

    • 40
    • 49

    Rain Showers

    • 28
    • 43

    Rain

    • 35
    • 41

    Mostly Cloudy

    • 31
    • 54

    Mostly Cloudy

    • 22
    • 41

    Mostly Cloudy

    • 29
    • 38

    Chance Snow

    • 29
    • 43

    Chance Rain

Today 30 Jan La Salle

Cloudy. A chance of Showers in the afternoon. Record breaking warmth likely. Highs in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

Tonight 30 Jan La Salle

Patchy drizzle. Rain in the Evening, then rain likely with Pockets of Showers and Thunderstorms after midnight. Areas of fog. Nearly steady Temperatures in the lower 40s. Southeast Winds 5 to 10 Mph in the Evening, becoming east after midnight. Chance of precipitation 90 percent.

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LaSalle Temperature Statistics

January Temperature

Illinois Valley Regional Airport (3.1 miles)

  • Lowest 21 January, 2025

    -9.2 °F

  • Average January

    21.2 °F

  • Highest 28 January, 2025

    50.9 °F

Climate (2020–Present)

Illinois Valley Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.7 °F
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