DC Heat Wave: Triple-digit heat index possible in region

- It’s going to be a sizzling hot weekend in the District as summer officially arrives, bringing along with it plenty of heat and humidity.

There is currently no heat advisory in the region for Saturday, however, for Sunday, the National Weather Service has issued a heat advisory for the DC metro area from noon to 8 p.m. Heat index values will approach 105 degrees.

The greater Washington metro region is affected, including Frederick, Montgomery, Prince George's, Howard, Anne Arundel and Baltimore Counties in Maryland, as well as Arlington, Fairfax, Loudoun and Prince William Counties in Virginia.

A Heat Emergency Plan is now in effect from DC through July 2. Temps and heat index values will soar into mid-to-upper 90s. 

The city has a list of open cooling centers.

Saturday will see temperatures skyrocketing into the mid-to-upper 90s through the region but the heat index or the “feels-like temperature" could reach triple-digits later in the day.

The following are the high temperatures for DC on Saturday:

  • 11 a.m. – 89 degrees
  • 2 p.m. – 94 degrees
  • 5 p.m. – 95 degrees

As a high-pressure system continues to sweep through the region there will be plenty of heat and humidity that will linger over the next few days. Sunday and Monday could be even hotter.

If possible, you should try to stay indoors or in the shade. If you are out in the sun, be sure to drink plenty of water and use sunblock to protect your skin.

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