The National Weather Service issued Extreme Heat Watches and Flood Advisories throughout Illinois. Here's the forecast.

Several central Illinois counties are under an Extreme Heat Watch, with NWS warning of "dangerously hot and humid conditions.

St. Louis faces an Extreme Heat Warning with a high near 97°F and heat index values up to 107, along with potential severe ...

With extreme heat warnings in effect across major U.S. cities, officials urge residents to prioritize safety and hydration ...

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NWS issues Extreme Heat Warning in St. Louis, advising precautions against high heat index values up to 116 degrees.

Millions of Americans are under weather advisories this week. See which major cities have heat, flood or storm advisories.

A dangerous heat dome is intensifying over the eastern US, putting tens of millions at risk. The National Weather Service ...

As parts of the Midwest continued to experience catastrophic flooding overnight and into Monday, dangerous heat and humidity ...

The National Weather Service has issued an extreme heat watch, warning that as temperatures rise into the 90s, heat indices ...

The National Weather Service has warned that temperatures inside cars will likely become lethal on Saturday in four states.

More than 50 million Americans from Texas to Missouri were already under National Weather Service extreme heat warnings or ...