Mendota Weather Forecast

    • 25
    • 50

    Breezy

    • 13
    • 27

    Blustery

    • 22
    • 26

    Snow

    • 13
    • 34

    Snow Showers Likely

    • 5
    • 17

    Chance Snow Showers

    • 5
    • 16

    Mostly Cloudy

Today 13 Jan La Salle

Mostly cloudy. Breezy. Highs in the lower 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 13 Jan La Salle

Mostly cloudy. Scattered Flurries late. Breezy with Lows in the mid 20s. West Winds 10 to 15 Mph, increasing to northwest 15 to 20 Mph after midnight. Gusts up to 30 Mph.

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Mendota Temperature Statistics

January Temperature

Illinois Valley Regional Airport (13 miles)

  • Lowest 1 January, 2026

    14 °F
  • Average January

    34.1 °F
  • Highest 8 January, 2026

    62.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (13 miles)

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  • Average Low 2021–2026

    43.2 °F
  • Average 2021–2026

    52.7 °F
  • Average High 2021–2026

    62.2 °F
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