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Heat and Humidity Soar Ahead of Storms in Chicagoland

Designated in drought by the USDA, Chicagoland faces isolated late-night storms that could bring strong winds with heavy downpours.

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Sept. 28, 2024: Under the shelter from the drizzling rain, Zionah Hill, Samiyyah Hill and Hustace Wade listen to the band Midnite Run during the Taneytown Harvest Festival. (Karen Jackson/Freelance)

Overview

  • Chicagoland will see highs in the mid-90s on Sunday with heat index values near 102°F.
  • Scattered to isolated thunderstorms are forecast late Sunday into Monday under a Marginal Risk for severe weather, with potential strong winds and heavy downpours.
  • All of Chicagoland is under drought conditions, per the U.S. Department of Agriculture’s latest Drought Monitor.
  • Dew points in the lower 70s will drive oppressive humidity and heighten heat illness and sunburn risk during extended daylight.
  • The Fourth of July weekend is expected to be hot and sunny with highs in the low 90s and a lower chance of storms on Independence Day.