 Humidity begins to creep upward again on Monday. Daytime highs then in the 90s, tracking another frontal system on Tuesday that will trigger showers and thunderstorms. I'm 7 News meteorologist Steve Rudin in the First Lurk Weather Center. 97 degrees in Hyattsville, 96 in Herndon, and 98 in Foggy Bottom. Brought to you by Dulles Glass. For all your glass, mirror, and shower door needs, visit DullesGlass.com. Dulles Glass. Love your glass.