Excessive heat warning continues across Chicago with heat index reaching 115 – NBC Chicago

Excessive heat warning continues across Chicago with heat index reaching 115 – NBC Chicago

The National Weather Service said the entire Chicago area will see another day of “widespread, oppressive and dangerous heat and humidity” on Thursday with an extreme heat warning in effect for all of northeastern Illinois until 8 p.m.

The high temperature on Thursday is expected to reach 100 degrees, with heat index values, or “feel-like temperatures,” ranging between 105 and 117 degrees, the NBC 5 Storm Team reported.

According to NBC 5 Meteorologist Alicia Roman, Thursday's temperature could rise faster than Wednesday, reaching the 90s early in the morning.

“It's a very warm start to the day,” Roman said.

As of 5:15 a.m., the temperature at O'Hare International Airport was 82 degrees, with a heat index value of 91 degrees, Roman said. By 4 p.m., the temperature at O'Hare is expected to reach 100 degrees.

Unless the temperature at O'Hare reaches 101 degrees, Thursday won't break any records, Roman said. According to officials, the record high temperature on August 24 was 100 degrees, which was recorded in 1947. However, the record of 97 degrees, which was also set in 1947, was broken on Wednesday.

According to officials, the high temperature on Wednesday reached 98 degrees. But across the region, high heat indexes are making the air feel as hot as 120 degrees in some parts, the weather service said.

Wednesday's extreme heat knocked out power to thousands of residents across Chicago and Wisconsin. Across the city and suburbs, schools canceled outdoor sports practices and games, or moved to early dismissal.

As of 5:30 a.m. Thursday, ComEd reported about 430 customers without power, and WE Energies in Wisconsin reported fewer than 50 outages.

According to Roman, showers and storms could move in Thursday night, with a “low marginal risk” of strong storms turning into severe ones. One forecast model shows storms moving into northern counties around 7 or 8 p.m., then moving toward more southern counties by 10 p.m.

If the storms turn into strong, gusty and damaging winds and heavy rain can be expected, Roman said.

But there's some good news, too: relief is on the way.

Roman said, “After today, we will see a drop in temperatures.” Roman said dew points are expected to gradually decrease Thursday evening. While Friday may still be warm and humid, temperatures are only expected to be in the mid-80s, according to forecast models.

As Chicago heads into the weekend, the weather is expected to be more breezy, with low humidity and highs in the mid-70s on Saturday and Sunday, Roman said.

(Tags for translation) Heat wave in Chicago

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