The risks of heat are only growing thanks to lasting heat waves, extreme nighttime temperatures and unusual humidity, like ...

The threat of flash flooding on Sunday afternoon was focused over parts of the Midwest, where flood watches have been posted ...

Oppressive heat and humidity remain the big story across southeast Louisiana, with dangerous feels-like temperatures and ...

Several states, including Mississippi, are under an extreme heat warning this week. Is it safe to drink alcohol? What you ...

The St. Louis region is under an extreme heat warning through Thursday, with temperatures reaching up to 98 degrees and a ...

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Environment Canada issues heat warning for southern Ontario with temps up to 35 °C, humidex near 44. Little relief expected ...

Today is a WDSU First Warning Weather Alert Day as we're under an Extreme Heat Warning as feels-like temperatures could be ...

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

Chicagoans are stepping up to help one another during another heat wave in the city.

Environment Canada has issued a heat warning for Hamilton, Burlington, Niagara and area with a heat event is expected to begin Thursday.

Most of Ohio is under a heat advisory with temperatures that will feel 100-plus. Here's the difference between a heat advisory, heat watch and heat warning.