From AlertDC:
“The National Weather Service (NWS) has issued a Winter Weather Advisory for Thursday, January 20, 2022, from 6 AM until 1 PM.
What: Snow. Snow accumulations of up to two inches with locally higher amounts around three inches possible.
Where: The District of Columbia, portions of central, northern and southern Maryland, and central and northern Virginia.
When: 6 AM to 1 PM Thursday
Impacts: Plan on slippery road conditions. The hazardous conditions will impact the morning commute.”