× Winter Storm Warning
Until 2025-01-05T20:00:00-05:00 • National Weather Service
* WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 5 and 10 inches, with amounts of up to 12 inches possible in isolated spots if heavy banding sets up in this area. Ice accumulations of a trace possible. * WHERE...Portions of DC, central, north central, and northern Maryland, and northern Virginia. * WHEN...From 10 PM this evening to 1 AM EST Tuesday. Highest snowfall rates occur late tonight into early Monday morning. Snow may mix with sleet and perhaps some freezing rain Monday morning into the afternoon, especially right along the Interstate 66 corridor. A lull in precipitation will occur sometime during the afternoon. * IMPACTS...Conditions will rapidly deteriorate tonight with untreated and unplowed roads becoming impassable for the Monday morning and evening commutes. During the times of heaviest snowfall, even primary roads may be impassable. * ADDITIONAL DETAILS...Snowfall rates between 1 to 3 inches per hour are possible between midnight and mid-morning Monday. A second round of heavy snow is likely Monday evening before precipitation ends Monday night.