Department of Health

Weather Alert: DC Feels Like Dangerous 104 Degrees

Storm Team4 declared Thursday a Weather Alert Day

Blazing sun and oppressive humidity sent the heat index soaring to dangerous levels Thursday, Storm Team4 said. 

Thursday's high reached the mid-90s. With the humidity, the heat index reached 106 degrees Thursday afternoon. It was 104 in D.C. at 4 p.m.

"The heat index tells you how it feels outside in the shade," the Maryland Department of Health and Mental Hygiene says on its website. "The heat index is a measurement of how it feels when relative humidity is combined with the effects of the air temperature."

Storm Team4 declared Thursday a Weather Alert Day. 

A heat advisory went into effect for the I-95 corridor to the east at noon Thursday, Storm Team4 Chief Meteorologist Doug Kammerer said.

Strong storms are also possible Thursday evening.

With heat indices this high, you can get a sunburn in just 10 minutes, Storm Team meteorologist Sheena Parveen said. 

Road Trip! 10 Places to Cool Off Within 100 Miles of DC

But there is some good news: The temperature is expected to drop slightly Friday, and fall into the 80s over the weekend. Storm Team4 declared Friday a Weather Alert Day as strong storms are likely.

Until then, here are some ways to avoid heat-related illnesses:

  • Drink plenty of water and avoid drinks that have a lot of caffeine or large amounts of sugar.
  • Keep cool indoors.
  • Wear lightweight, light-colored clothing and apply sunscreen.
  • Avoid excessive physical activity, especially midday.
  • Do not keep children or pets in cars.
  • Find more tips here.
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