Heat index values will make the upper 90s feel as hot as 100 to 105 this afternoon. Lots of sunshine will also make the UV ...

Prepare for triple-digit heat as DC faces the year's first intense heat wave. Stay safe and cool with precautions and visit ...

National Weather Service forecasts a hot week in Washington D.C., with highs nearing 100 degrees and possible showers on ...

The National Weather Service issues extreme heat warnings when heat index values are set to reach or surpass 110 degrees ...

NWS issues severe weather forecast for Washington D.C., with thunderstorms and high heat index warnings for the coming days.

On Sunday at 9 a.m. the National Weather Service reported an air quality alert in effect until 8 p.m. for Westmoreland Ridges and Fayette Ridges as well as Butler, Beaver, Allegheny, Armstrong, ...

The National Weather Service reported an air quality alert at 4:30 p.m. on Saturday in effect until Sunday at 4 p.m. for ...