Chicago Braces for Warm, Stormy Weekend Ahead

Chilly Saturday gives way to 75°F highs and severe storm risk by Monday

Apr. 11, 2026 at 1:41pm

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Chicago is in for a dramatic weather shift this weekend, with a cool, breezy Saturday giving way to a much warmer, more humid Sunday that could bring scattered showers and thunderstorms. The warm, unsettled pattern is expected to continue into early next week, with the National Weather Service warning of a conditional severe storm threat from Monday night through Wednesday.

Why it matters

Sudden swings in temperature and storm activity can disrupt outdoor plans, travel, and events in the Chicago area. Residents need to stay alert to changing forecasts and be prepared to adjust their schedules or move activities indoors if severe weather develops.

The details

Saturday will see highs only reaching the upper 40s, with a crisp lakefront breeze. But by Sunday, temperatures are expected to soar into the mid-70s, accompanied by gusty 15-25 mph winds and the chance of scattered showers and thunderstorms. The unsettled, humid pattern is forecast to continue into early next week, with the Storm Prediction Center outlining a conditional severe storm threat from Monday night through Wednesday.

  • Saturday, April 11: Highs in the upper 40s, with a chance of light rain showers in the evening.
  • Sunday, April 12: Highs near 75°F, with 15-25 mph winds and the chance of scattered showers and thunderstorms.
  • Monday, April 13 through Wednesday, April 15: Continued warm, humid conditions with a conditional severe storm threat.

The players

National Weather Service Chicago

The regional office of the National Weather Service that provides weather forecasts and warnings for the Chicago metropolitan area.

Storm Prediction Center

A division of the National Oceanic and Atmospheric Administration that issues outlooks and watches for the potential of severe thunderstorms across the United States.

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What’s next

Forecasters will be closely monitoring the development of the severe storm threat early next week, and may issue watches or warnings as the situation becomes clearer.

The takeaway

Chicago residents should be prepared for a dramatic shift in weather this weekend, with a chilly Saturday giving way to a much warmer, more humid and potentially stormy Sunday and early next week. It's important to stay alert to changing forecasts and be ready to adjust outdoor plans if severe weather develops.