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DC Faces 100°F Heat Wave Next Week
28 Jun
Summary
- Heat dome brings dangerous temperatures across the central and eastern US.
- Washington DC and Philadelphia could see highs reach 100 degrees.
- High humidity combined with heat will make cooling off difficult for bodies.
Much of the central and eastern United States is bracing for a dangerous heat wave expected to arrive next week and potentially linger through the Fourth of July weekend. A building heat dome will push daytime temperatures into the 90s and potentially triple digits for some areas.
Washington D.C. and Philadelphia are forecast to experience highs of 100°F for several days, significantly above their typical mid-to-upper 80s averages. High humidity will accompany the heat, with heat indices potentially reaching 110°F, making it difficult for the body to cool itself and increasing the risk of heat exhaustion and heatstroke.
Cities like Chicago and St. Louis will also see prolonged periods of extreme heat, with temperatures soaring into the 90s and approaching 100°F. Overnight temperatures in urban areas may remain above 80°F due to heat retention. The heat dome is expected to retreat by the holiday weekend, ushering in cooler air for the East Coast.
