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 heat index values up to 114°F, prompting advisories for safety and hydration.

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 ...

Dangerously hot conditions, with heat index values locally higher than 110 degrees, are expected. A Weather Impact Alert ...

Record-high minimum temperatures, in which temperatures don't drop in the nighttime hours, are likely across much of the U.S.

The extreme heat warning has been downgraded to a heat advisory and while a stationary front has brought some rain and clouds ...

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

Sweltering and "dangerous" heat with indices surpassing 100 degrees Fahrenheit across parts of nine states has prompted the ...

A t least 100 million Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday, ...

When you see the headline that Americans in eighteen states are strongly advised to abstain from drinking alcohol, don’t rush ...