River Flooding Continues to be a Concern for Multiple Regions across the Country

Recent rainfall has increased the threat of Moderate to Major flooding along rivers in the Mid-Atlantic, especially Virginia and Maryland, over the next few days. Rainfall combined with snowmelt is also fueling Moderate-to-Major flooding in the northern Rockies and northern Intermountain West.
Read More...

Last Update: 1007 PM EDT Sun May 20 2018

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM S New York NY

Marine Zone Forecast


Synopsis: A cold front approaching from the northwest will pass through our region this evening. The boundary is forecast to stall to our south on Monday. Weak low pressure is expected to move from the eastern Great Lakes to New England on Tuesday and Tuesday night and it should pull another cold front through our region on Wednesday. The front is anticipated to stall to our south as weak high pressure influences our weather on Thursday and Friday. The boundary is expected to return northward as a warm front over the weekend.

Rest Of Tonight
N winds 5 to 10 kt. Seas 3 to 5 ft. Swell mainly from the S with a dominant period of 8 seconds. a slight chance of showers and tstms late this evening.
Mon
NE winds 5 to 10 kt, becoming E late. Seas 3 to 4 ft. Swell mainly from the S with a dominant period of 8 seconds.
Mon Night
S winds around 5 kt. Seas around 3 ft until early morning, then 2 ft or less. Swell mainly from the SE with a dominant period of 7 seconds. a chance of showers after midnight.
Tue
SE winds 5 to 10 kt. Seas 2 ft or less. Swell mainly from the SE with a dominant period of 7 seconds. showers likely until late afternoon. A chance of tstms in the afternoon. A chance of showers late.
Tue Night
S winds 5 to 10 kt, becoming SW after midnight. Seas 2 ft or less, then around 3 ft after midnight. A chance of showers and tstms.
Wed
W winds around 5 kt. Seas around 3 ft.
Wed Night
W winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft.
Thu
N winds 5 to 10 kt, becoming E in the afternoon. Seas around 3 ft.
Thu Night
SW winds around 10 kt. Seas 2 ft or less, then around 3 ft after midnight.
Fri
SW winds 10 to 15 kt. Seas around 3 ft.
Fri Night
SW winds 10 to 15 kt. Seas around 3 ft. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 1007 PM EDT Sun May 20 2018
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data