While the forecast calls mostly for rain overnight, there could still be some slippery spots that prompt schools to delay the start of classes on Thursday.

Children leave their school bus on Frederick Road in Germantown, Maryland, on Tuesday. While many area schools had weather-related early dismissals, Montgomery County schools ended their school day at the normal times. (Michael S. Williamson/The Washington Post)

Poudre School District and Douglas County School District are among the districts that have announced delays for Thursday morning. Some Front Range schools were also on a delayed start Wednesday.