P.J. Killian Airport Weather Forecast

    • 14
    • 67

    Chance Flurries

    • 11
    • 22

    Blustery

    • 24
    • 30

    Mostly Cloudy

    • 17
    • 33

    Mostly Cloudy

    • 14
    • 26

    Partly Sunny

    • 19
    • 32

    Partly Sunny

    • 15
    • 34

    Partly Sunny

Today 28 Dec McLean

Rain with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and Tornadoes. Breezy and not as cool with Highs in the upper 60s. Southwest Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 28 Dec McLean

Mostly cloudy. A slight chance of snow in the Evening, then a chance of Flurries after midnight. Very windy and much cooler with Lows around 14. West Winds 25 to 35 Mph with Gusts up to 50 Mph. Chance of snow 20 percent. Wind chill Values as low as 7 below after midnight.

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P.J. Killian Airport Temperature Statistics

December Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (9.3 miles)

  • Lowest 14 December, 2025

    -9 °F

  • Average December

    27.7 °F

  • Highest 26 December, 2025

    59 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (9.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.2 °F
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