Saturday, October 4, 2025

Monday forecast: Seasonable start to the week before sizzling heat moves in

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Current Weather Conditions in Chicagoland

Chicagoland, get ready to sweat. After a mild start to the week, a wave of intense heat and humidity is on the way.

Monday brings a pleasant start to the workweek with sunshine and seasonable highs in the low 80s. While most areas stay dry, an isolated afternoon shower can’t be ruled out.

Tuesday will be slightly warmer, with highs climbing into the upper 80s inland and humidity on the rise. Lakeside neighborhoods will stay a bit cooler thanks to a breeze off the water.

But the real heat arrives midweek. Significant late July heat and humidity are expected to roll into the region, potentially bringing heat index values near or above 100 degrees.

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The Bigger Picture

Around Chicagoland, highs temps are projected to climb into the upper 80s on Tuesday, then they’re forecast to soar into the mid- to upper 90s on Wednesday and Thursday and remain around 90 for the rest of the week and into next weekend.

With the humidity factored in, the heat index in Chicagoland during the middle of the coming week could be something like 105 to 115 degrees. We’ll certainly keep you updated on the coming hot and humid conditions.


Climate and Environment news: WGN Weather Center blog

Conclusion

In conclusion, the weather in Chicagoland is expected to take a dramatic turn midweek, with intense heat and humidity on the way. It’s essential to stay informed and take necessary precautions to stay safe.

Frequently Asked Questions

Q: What can I expect the weather to be like on Monday?

A: Monday is expected to be pleasant, with sunshine and seasonable highs in the low 80s. However, an isolated afternoon shower is possible.

Q: How hot will it get midweek?

A: The heat index in Chicagoland during the middle of the coming week could reach 105 to 115 degrees, with highs soaring into the mid- to upper 90s.

Q: Where can I find more information about the weather?

A: You can find more information about the weather on the WGN Weather Center blog, which provides updates on climate and environment news.

Q: What should I do to stay safe during the heatwave?

A: To stay safe during the heatwave, make sure to stay hydrated, stay indoors during the hottest part of the day, and take breaks in cool, air-conditioned spaces.

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