Overnight: Warm and Humid, Patchy Fog
Lows: 68°-75° | Wind: S 4-8
Monday: Mostly Sunny, Hot and Humid
Highs: 90°-95° | Wind: S 5-10
Tuesday: Hot and Very Humid
Highs: 94°-99° | Wind: S 5-10
Dangerous heat and increased humidity levels will end the holiday weekend and continue into part of the upcoming week. Overnight lows will fall into the middle to upper 60s in the mountains to lower to middle 70s in the District.
Temperatures on Memorial Day will reach the lower to middle 90s with heat index levels approaching 100 degrees. The hottest, and potentially most dangerous day in terms of heat will be Tuesday with highs in the middle to upper 90s. The heat index may exceed 100 degrees.
As a precaution, a Heat Advisory has been issued by the National Weather Service starting at Noon Monday and extending through Tuesday evening.
Current Record Highs for Monday
DCA: 98° in 1991
IAD: 95° in 2006
BWI: 98° in 1991
Stay with ABC7, NewsChannel 8 and Weather Now for additional updates.