Severe weather warning issued for Northern Illinois – Shaw Local

Some thunderstorms are expected in Northern Illinois later Sunday evening, followed by scorching temperatures later in the week.

The National Weather Service issued a severe weather warning for northern Illinois around 2:15 p.m. on Sunday, which is expected to last until 8 p.m.

Storms moved into Illinois early Sunday afternoon. Strong wind gusts were measured along the Mississippi River, and Brett Borchardt, a meteorologist with the National Weather Service, said there were reports of gusts over 60 mph in Moline and Davenport, Iowa.

Borchardt said the storms would reach Rochelle around 3:30 p.m. on Sunday and DeKalb around 3:45 p.m. He added the storms would reach the McHenry and Lake County regions around 5 to 7 p.m.

Borchardt said the thunderstorms could unleash “a fierce force” with strong winds and heavy rain.

The storm comes while the Chicago area is under an air quality warning that is set to last through Monday evening. The warning applies to Kane, Kendall, Will, Grundy and McHenry counties and says air quality will be in the “Unhealthy for Sensitive Groups” category through Monday. While the air quality warning appears on the National Weather Service website, Borchardt said air quality warnings are not something the National Weather Service predicts.

After Sunday's storms, high temperatures are expected to rise and remain above 90 degrees across much of Northern Illinois this week. Borchardt said it will be the first very hot temperatures of the season and to watch for heat-related illnesses, but it will stay just below heat warnings.

“It is [going to] “It’s hot, don’t get me wrong,” said Borchardt.

Borchardt added that a heat warning is issued when the heat index is above 105 degrees and a heat alert is issued when the heat index is above 110 degrees.

Anna Harden

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