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heat index

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With heat index reaching 100, DC heat emergency plan activated

Monday meltdown: Heat index in the triple digits on 4th day of heat wave

Severe storms and high heat hit DC

Weather advisory for DC area; heat index could reach 107

Dangerously hot weather: Heat index near 105 for DC region

Heat grips DC region for rest of week into weekend

More heat index

Strong storms sweep through DC area, toppling trees

When should you take exercise inside?