* WHAT...Freezing rain expected. Total ice accumulation of a light glaze to a few hundredths of an inch. A dusting to one tenth of an inch of snow is possible.

* WHERE...Portions of DC, central, north central, northeast, and northern Maryland, and northern Virginia.

* WHEN...From 5 AM to 1 PM EST Tuesday.

* IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Tuesday morning commute.

* ADDITIONAL DETAILS...Precipitation begins as light freezing rain early Tuesday morning along and west of US-15 between 5-7am, then begins along the Interstate 95 corridor around or just before sunrise (6-9am). Some snow could mix in at times, though that is most likely along and north of Interstate 70. Precipitation transitions to a mix of rain and freezing rain late Tuesday morning, before coming to an end early Tuesday afternoon.