Ottawa Weather Forecast

    • 19
    • 27

    Snow Likely

    • 18
    • 30

    Mostly Cloudy

    • 11
    • 28

    Partly Sunny

    • 14
    • 27

    Partly Sunny

    • 28
    • 35

    Slight Chance Rain/Snow

    • 14
    • 36

    Partly Sunny

    • 19
    • 28

    Partly Sunny

Today 1 Feb La Salle

Partly cloudy in the Morning, then becoming mostly cloudy. A slight chance of snow late. Highs in the mid 20s. Southwest Winds 5 to 10 Mph, increasing to south 10 to 15 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 1 Feb La Salle

A chance of snow early in the Evening, then snow likely in the late evening and early morning. A slight chance of snow late. Little or no snow accumulation. Near steady temperature around 20. Southwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Ottawa Temperature Statistics

February Temperature

Illinois Valley Regional Airport (15.5 miles)

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Climate (2021–Present)

Illinois Valley Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.1 °F
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