Saturday, October 4, 2025

High heat and humidity, chance of weekend storms – NBC Chicago

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Weather Forecast for Chicago Area

Heat and high humidity bring a chance of thunderstorms to the Chicago area Saturday.

Temperatures will be in the mid 90’s, but with humidity, it will feel closer to 100 degrees, NBC 5 Storm Team Meteorologist Kevin Jeanes said.

A southwest breeze with gusts up to 20 mph Saturday may provide some relief from the high temperatures.

Saturday’s Weather Outlook

Strong storms will move in from Iowa and Wisconsin, but the impact on the Chicago area depends on “how well they hold together as they drop farther to the south,” Jeanes said.

Around 5 p.m. Saturday there is a chance of thunderstorms with damaging wind gusts across southern Wisconsin, eastern Iowa and northwestern Illinois.

The greatest chance of storms on Saturday are in northwestern Illinois, including Kane, McHenry, Boone and DeKalb counties.

Hazardous Weather Outlook Alert

The National Weather Service issued a Hazardous Weather Outlook alert for portions of north central Illinois, northeast Illinois and northwest Indiana for Saturday stating the strongest storms may be capable of producing torrential downpours, damaging wind gusts and hail.

“Expect uncomfortable heat and humidity,” the alert warns.

Saturday Night and Sunday’s Forecast

Saturday night has a 30% chance of precipitation in the Chicago area, with the possible storms hitting before 10 p.m.

The Chicago area will see slightly cooler temperatures on Sunday and Monday, but the humidity is expected to stick around for several days.

Sunday will see more intermittent but scattered showers and storms.

There will be lots of dry times throughout Sunday, but a chance of thunderstorms is present in the late morning and through the afternoon.

After 1 p.m. Sunday, there is a 30% chance of showers and thunderstorms. Moving into Sunday night, the likelihood of storms and showers increases to 40%.

Elevated Flooding Risk

In northwestern Illinois, including Kane, DuPage, McHenry and LaSalle counties, the storms bring with them an elevated flooding risk on Sunday, according to the NWS.

Conclusion

In conclusion, the Chicago area is expected to experience hot and humid weather on Saturday, with a chance of thunderstorms and strong winds. The heat and humidity will continue into Sunday, with a chance of scattered showers and storms. It is essential to stay informed about the weather forecast and take necessary precautions to stay safe.

Frequently Asked Questions

Q: What is the weather forecast for Saturday in the Chicago area?

A: The weather forecast for Saturday in the Chicago area is hot and humid, with a chance of thunderstorms and strong winds. Temperatures will be in the mid 90’s, but with humidity, it will feel closer to 100 degrees.

Q: What is the chance of precipitation on Saturday night?

A: There is a 30% chance of precipitation on Saturday night, with possible storms hitting before 10 p.m.

Q: Will the heat and humidity continue into Sunday?

A: Yes, the heat and humidity are expected to continue into Sunday, with a chance of scattered showers and storms.

Q: Are there any areas with an elevated flooding risk on Sunday?

A: Yes, according to the NWS, there is an elevated flooding risk on Sunday in northwestern Illinois, including Kane, DuPage, McHenry and LaSalle counties.

Q: How can I stay informed about the weather forecast?

A: You can stay informed about the weather forecast by checking the latest updates from the National Weather Service or your local news station.

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