Parts of South and Midwest grapple with unsafe heat wave

Here’s when heat index may top 105° this week

We are expecting temperatures in the low to mid 90s across South Mississippi.

More of the same is in store for Tuesday, when heat and humidity will again make for risky heat indexes.

In Alabama, the temperature hit 100 degrees with a heat index of 106 degrees by mid-afternoon in Birmingham, the state's largest city.

The National Weather Service in Huntsville has issued an Excessive Heat Warning from 7 p.m. Monday to 6 p.m. Tuesday. Temperatures have hit the 90s, and the risky heat puts a number of people at risk.

It was expected to feel like 116 degrees (46.7 Celsius) in parts of eastern Oklahoma, near Tulsa, on Monday, forecasters said.

Tuesday afternoon will see chances of isolated thunderstorms along the Interstate 20 and Interstate 30 corridors, NWS officials said.

By Tuesday evening and Wednesday morning, you'll start to notice a drop in the humidity. West Memphis, Arkansas came close with a heat index of 119 degrees. Storm chances will continue through about 1 a.m.

These high heat index values will cause an increased risk of heat-related illnesses including heat exhaustion and heat stroke. Know the signs and symptoms of heat exhaustion and heat stroke. But, those who must be outside should drink plenty of water, wear sunscreen, and wear light clothing. Anyone overcome by heat should be moved to a cool and shaded location.

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