Updated 8:20 p.m. Sunday

Fairfax County Public Schools will open two hours late on Monday because of the freezing rain forecast for the area.

Original story:

Plan for a slippery commute Monday morning.

The National Weather Service has issued a freezing rain advisory for Reston, Northern Virginia and most of the Washington, DC, region.

The weather advisory is in effect from 10 p.m. Sunday through 9 a.m. Monday

From the NWS:

PRECIPITATION TYPE…FREEZING RAIN.

ACCUMULATIONS…LESS THAN A TENTH OF AN INCH OF ICE.

TIMING…PRECIPITATION WILL BEGIN FROM SOUTHWEST TO NORTHEAST LATE THIS EVENING. FREEZING RAIN WILL BE POSSIBLE THROUGH THE OVERNIGHT HOURS…EVENTUALLY BECOMING PLAIN RAIN BY MONDAY MORNING.

TEMPERATURES…IN THE LOWER 30S.

A THIN GLAZE OF ICE COULD FORM ON UNTREATED ROADS… SIDEWALKS…AND VEHICLES. DUE TO THE RECENT COLD WAVES…SOME SURFACES MAY BECOME ICY EVEN WITH AN AIR TEMPERATURE SLIGHTLY ABOVE FREEZING. TYPICALLY SHADED AREAS…AS WELL AS BRIDGES…WILL BE MOST SUSCEPTIBLE TO ICING. THE MORNING COMMUTE WILL BE IMPACTED. PRECAUTIONARY/PREPAREDNESS ACTIONS.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

Reston Now will update this story with any school delays or road closures.