Heyworth Weather Forecast

    • 73
    • 96

    Slight Chance Thunderstorms

    • 68
    • 94

    Slight Chance Rain Showers

    • 62
    • 85

    Partly Sunny

    • 64
    • 86

    Partly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 71
    • 95

    Partly Sunny

Today 4 Sep McLean

Sunny, hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 4 Sep McLean

Clear. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.

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Heyworth Temperature Statistics

September Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

  • Lowest 1 September, 2026

    73.9 °F

  • Average September

    82.9 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.7 °F
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