The National Weather Service is forecasting a wintry mix of snow, sleet and rain overnight on Tuesday, continuing through Wednesday morning. The DC Snow Team will fully deploy with more than 200 heavy and light plows starting at 10:00 a.m. on Tuesday to pretreat treat all National Highway System, primary, secondary and residential routes within the District. Residents and motorists can register to receive important weather alerts from the District on their devices by signing up for AlertDC at alertdc.dc.gov.