• Mild May wraps up an otherwise warm spring in Illinois

    Jun 8, 2026 9:00 am by Trent FordWater Survey
    Clouds and blue sky on a nice day

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    • Clouds and blue sky on a nice day

    Despite milder May temperatures, spring 2026 was still a top 10 warmest on record in Illinois, according to Illinois State Climatologist Trent Ford at the Prairie Research Institute.