 Please refrain or have a designated driver, and remember, there's always Uber or Lyft. I'm Mary Ann Perry, WBAL Newsradio 1090 and FM 101.5. WBAL-TV11, weather. Partly cloudy skies overnight with low temperatures in the upper 60s and low 70s. Hot and humid on Thursday with a chance for an afternoon thunderstorm. Highs in the low 90s, the heat index over 100.