Overnight: Mainly Clear, More Humid
Lows: 68°-74° | Wind: Light
Monday: Sunny Start, Hot and Humid, Late PM Showers (20%)
Highs: near 95° | Heat Index: near 100° | Air Quality: Code Orange
Tuesday: Partly Cloudy, PM Thunderstorms (40%)
Highs: 94°-99° | Heat Index: 100°-105°
Mainly clear sky conditions are expected during the overnight hours as high pressure moves off the Atlantic coast. Lows will fall into the 60s in the mountains and lower to middle 70s closer to the District.
Hotter temperatures and more uncomfortable dew point levels arrive Monday and Tuesday. Highs will jump well into the 90s with heat index values at or above 100 degrees. As a weak cold front moves closer, expect about a 20-percent chance for afternoon showers on Monday, mainly west of the D.C. metro. Shower and thunderstorm chances will increase to around 40-percent on Tuesday as the front passes area.
Near average highs and lower humidity will arrive Wednesday and stick around until Friday.
Stay with ABC7, News Channel 8, WJLA.com and Weather Now for additional updates.