From the ABC 7 Weather team

Dangerous D.C. heat continues, heat index readings may exceed 115 degrees

July 22, 2011 - 04:15 AM
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Excessive Heat Warning, Code Red for air quality will make for a difficult day to be outside across the D.C. area. Heat Index readings may exceed 115 degrees.

This Afternoon: Hazy, Very Hot and Humid

Highs: 100°-103° | Heat Index: 112°-120° plus

Tonight: Hazy and Very Warm

Lows: 80s | Heat Index: 80s/90s

Saturday: Mostly to Partly Sunny, PM Showers

Highs: near 100° | Heat Index: 105°-110°

 

Record highs and record high minimum (low) temperatures:

Reagan National Airport
Friday, July 22: 103° in 1926 / 81° in 1987
Saturday, July 23: 101° in 1991 / 81° in 1978
Sunday, July 24: 101° in 2010 /81° in 2010

 

Dulles International Airport
Friday, July 22: 98° in 1998 / 75° in 1994
Saturday, July 23: 99° in 1991 / 73° in 1978
Sunday, July 24: 99° in 2010 /78° in 2010

 

Baltimore Washington International Airport
Friday, July 22: 101° in 1957 / 81° in 1885
Saturday, July 23: 102° in 1991 / 79° in 1978
Sunday, July 24: 101° in 2010 /82° in 2010

 

Heat and excessive humidity will make for yet another very uncomfortable day across the mid-Atlantic. Afternoon highs will reach at least 100 degrees over most of the metropolitan area, with many locations reaching 102 degrees. Heat index readings will be in the dangerous category with "feels like" temperatures exceeding 115 degrees in urban areas. Code Red for air quality.

Little relief can be expected overnight as temperatures slowly fall into the 80s. Slightly cooler air will be found in the mountains along with a stray shower and isolated thunderstorm.

Saturday will be hot and humid, with temperatures once again tracking toward the 100 degree mark. Isolated afternoon showers and thunderstorms may develop.

Stay with ABC7, NewsChannel 8, WJLA.com, and Weather Now for additional updates.

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