This story was updated at 4:30 p.m. Feb. 12. 2014.
The National Weather Service has issued a Winter Storm Watch for Montgomery and Prince George’s counties.
A potential of 5 or more inches of snow and sleet is set to hit the D.C. area from Wednesday evening through Thursday evening. Wind speed could reach up to 35 mph.
Prince George’s public schools canceled after-school activities for Wednesday, according to their website. Schools are also closed on Thursday for students and all personnel.
Montgomery County Public Schools will be closed on Thursday. All school and community activities in school buildings will also be canceled, according to their website.
“It’s clear that it is going to snow a significant amount later tonight and tomorrow. Even if we get half of what they are predicting, we will not be able to open schools. We figured it was best to let parents know as soon as we could so they could plan accordingly,” said Montgomery schools spokesman Dana Tofig in an email to The Gazette Wednesday.
Montgomery County Executive Isiah Leggett (D) declared a snow emergency beginning 9 p.m. Wednesday. Residents are urged to stay off the roads unless absolutely necessary, according to a county news release. Parking is prohibited along roads marked as snow emergency routes.
According to the weather service, snow is expected to move in from the south on Wednesday evening, and snow may mix with sleet and rain late Wednesday night. Heavy snow is expected on Thursday.
Temperatures will be in the middle to upper 20s on Wednesday evening, and slowly rise into the lower and middle 30s on Thursday afternoon.
Travel may be dangerous, and heavy wet snow could lead to some power outages.
Montgomery County has a list here of jurisdictions that cover their own plowing.
Visit WMATA.com to find out Metrorail and Metrobus schedule during a storm watch.
Amtrak has suspended services in the Southeast and Mid-Atlantic regions but Paulette Austrich, media relations for the Maryland transit transportation, said the Amtrak notice is not going to “impact us at all.”
Changes in the MARC schedule will not be announced until Wednesday or Thursday morning.
Winter weather advisories are issued when frozen precipitation may have an impact on road and transit conditions. Travelers should use caution.
The advisory is in effect until Thursday night.