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Beginning of Dangerous, Excessive Heat Event

Jason Samenow @ 11:17 PM

Extreme Heat Wave Headed Towards DC -- Temperatures well into the 90s with high humidity -- for much of the coming week
Preparation Tips

Today marks the first day of a long and significant heat wave. It appears this will be the hottest weather since at least 2002.


Forecast Confidence: High-Very HighHot, moderately humid. As a massive ridge of hot high pressure moves in -- essentially a huge heat dome -- temperatures will reach the low 90s under mostly sunny skies. Humidity levels (dewpoints in the mid to upper 60s) will not be as high as yesterday, but still a bit uncomfortable. Skies will be mostly sunny, so wear sunscreen and drink plenty of water if you're outside.

Image courtesy

Heat Wave Notes

How Hot Will It Get? How Long Will The Heat Wave Last? will offer in depth heat wave coverage tomorrow continuing through the week. Look for detailed high and low temperature forecasts, humidity info, information on the heat wave in historical perspective, heat safety information, and more...

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