Central Illinois Regional Airport at Bloomington-Normal Weather Forecast

    • 66
    • 85

    Rain Showers

    • 57
    • 74

    Chance Thunderstorms

    • 55
    • 75

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 63
    • 80

    Slight Chance Thunderstorms

Today 30 Jul McLean

Thunderstorms. Showers late this Morning, then a chance of Showers this afternoon. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. Temperature falling into the lower 80s this afternoon. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 30 Jul McLean

Showers and Thunderstorms likely in the Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 80 percent.

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Central Illinois Regional Airport at Bloomington-Normal Temperature Statistics

July Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (0 miles)

  • Lowest 18 July, 2025

    64 °F

  • Average July

    77.2 °F

  • Highest 4 July, 2025

    91 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (0 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62 °F
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