The National Weather Service warns that parts of Washington are about to get very hot starting Aug. 10, with hot temperatures lasting through Aug. 12.

Tonight will be mostly clear and mild, with lows in the 60s. A heat wave continues on Monday and Tuesday. Highs reach the mid-90s, paired with moderate levels of humidity. Both days feature a mostly ...

The Lake Mead area outside of Las Vegas is under an Extreme Heat Watch this week as August kicks off with above-average summer temperatures. The extreme temperatures are not unfamiliar to Southern ...

The National Weather Service office in Portland has issued an Extreme Heat Watch for parts of the Willamette Valley from Sunday afternoon through Monday evening. Temperatures are expected to reach the ...

A heat warning for the Sudbury area is in effect until Monday, with daytime highs of 30–33 degrees C and humidex values of up to 40.

Our heat wave just keeps getting hotter-- with forecast temperatures climbing closer to the triple digits through Tuesday. It ...

Dangerous heat continues across Arizona as we closely watch records for many cities around the state. The Extreme Heat ...

Flood watch issued for part of SE Wisconsin from Saturday afternoon through Monday morning ...

Hot, humid weather settled over much of Ontario and parts of Quebec on Saturday with Environment Canada warning of a ...

On Sunday, expect a mostly sunny sky, as it turns even hotter. Highs soar into the low 90s, though the humidity stays in ...

As summer temperatures soar and school sports programs ramp up conditioning practices, heat-related illnesses like ...

Rancho Santa Margarita residents can expect temperatures above 90 degrees as the forecast calls for hot, arid conditions this ...