Federal agencies in the Washington, D.C. area are open with a two-hour delayed arrival for employees. Staff have the option for unscheduled leave or unscheduled telework. Employees should plan to arrive for work no more than two hours later than their normal expected arrival time.

Guidance has been provided for various employee categories. Telework employees not scheduled to telework, but requesting unscheduled telework, must be prepared to telework, take unscheduled leave, or use other paid time off to cover the entire workday. Weather and safety leave is generally not available for these telework employees who do not report to the office.

MD State Of Emergency Declared By Gov. Moore: Here’s What To Know

Remote workers and telework employees who are already scheduled to telework are expected to begin their workday on time. They may request unscheduled leave if needed. Similar to other telework categories, weather and safety leave is generally not available to remote and telework employees who do not report to the office.

Non-telework employees, and telework employees not scheduled to telework and not requesting unscheduled telework, have specific instructions. They are expected to either report to the office and receive weather and safety leave for up to two hours past their normal arrival time or request unscheduled leave for the entire workday. Weather and safety leave is not available to those employees who request unscheduled leave.

Emergency employees are expected to report to their worksite on time unless their agencies provide alternative directions. Employees who are on preapproved leave, whether paid or unpaid, or using other paid time off such as compensatory time or credit hours, will generally be charged for that leave or time off. They will not receive weather and safety leave, even if they request unscheduled leave or other paid time off.

A winter weather advisory is in place from 5 p.m. Sunday to 10 a.m. Monday for the District of Columbia, Fairfax, Arlington, Falls Church, Alexandria, Prince William, Manassas and Manassas Park. according to the National Weather Service.

Total snow accumulations between 2 and 4 inches is expected with localized amounts around 5 inches, the NWS said. Look for northwest winds gusting between 30 and 40 mph overnight through Monday.

Snowfall amounts will be higher in the Baltimore region.

Plan on slippery road conditions. The hazardous conditions will impact the Monday morning commute.

Rain and accumulating snow are expected in the Washington, D.C., area on Sunday and Monday, causing rough travel conditions.

In the D.C. area, expect cold rain and snow falling on Sunday. Be careful if you’re going to be out driving, especially in the evening.

Snow will rapidly accumulate and travel conditions will deteriorate after sunset, when temperatures fall.

Snowfall could total 2-6 inches in the D.C. metro area before the snoe ends on Monday.

If you live east of Washington, in areas including Calvert, Charles, Prince George’s and St. Mary’s counties, you have a higher likelihood of seeing higher amounts of snow.

D.C. Mayor Muriel Bowser deployed the District Snow Team and was set to begin treating major roadways on Sunday afternoon.

Maryland Gov. Wes Moore declared a state of preparedness and warned residents to avoid travel if possible.

This coastal storm has put 63 million people across the country under weather alerts.

School cancellations and delays possible on Monday

Storm Team4 expects more cancellations along and east of Interstate 95.

From D.C. to the west, less snow will fall. Be prepared for potential school delays.

Fairfax County Public Schools (FCPS) announced that schools and offices will open two hours late on Monday. All activities are canceled after 6 p.m. on Sunday, as well.

“Because of the uncertainty of the forecast, FCPS will monitor the weather and reevaluate as the evening progresses and into early tomorrow morning. If we need to adjust to a closure, we will notify our staff and community as soon as possible,” FCPS said Sunday.

Here’s our full list of closures and delays.

Dozens of flights in and out of the D.C. area have been canceled, according to FlightAware.

Weather radar

Download the NBC Washington app on iOS and Android to get the weather radar on your phone.

What to know about blizzard and winter storm warnings

A winter storm warning has been issued for parts of the DMV region, including:

• Anne Arundel, Calvert, Frederick, Howard and St. Mary’s counties in Maryland
• Clarke, Fauquier and Loudoun counties in Virginia

A winter weather advisory is in effect for D.C. and the surrounding suburbs.

See a full list of weather alerts here.

The National Weather Service issued a blizzard warning for coastal areas, including Maryland’s beaches. Roughly 26 million people from coastal Maryland, Delaware, New Jersey, Connecticut and New York are under blizzard warnings, NBC News reports.

Snow to melt in the coming days

The good news: This storm will be very different than the one a month go that left residents across the D.C. area battling “snowcrete” for weeks. We’re not expecting significant impacts beyond Monday.

By Monday afternoon, the snow is expected to melt as temperatures stay in the upper 30s.

Highs will likely reach the 50s on Wednesday and Thursday, melting whatever snow is left.

Stay with Storm Team4 for the latest forecast. Download the NBC Washington app on iOS and Android to get severe weather alerts on your phone.

WASHINGTON (7News) — An approaching winter storm will bring significant impacts from the Mid-Atlantic to New England Sunday through Monday morning.

The good news is, the worst of the storm looks to miss most of the DMV.

The system will intensify as it pulls away from the D.C. metro, with the heaviest snowfall rates developing as the storm exits.

Snowfall model comparison

This means we could see 2 to 5 inches of snow across most of the Capital Beltway, with higher amounts the farther north and east you go.

A potentially historic blizzard is shaping up right on our doorstep, with snowfall totals of 1 to 2 feet from Philadelphia to southern New England by Monday morning.

Blizzard conditions amounting to 1 to 2 feet are possible from Philly to Boston