Tropical Depression IDA is forecast to slowly weaken and become a Post-Tropical Cyclone by Thursday morning while moving northeastward. What was IDA will move off the Northeast Coast also on Thursday morning. However, IDA will continue to produce heavy rain along the path into Thursday. Therefore, the WPC has issued a High Risk of excessive rainfall from the northern Mid-Atlantic/Northeast through Thursday morning. The associated heavy rain will create widespread areas of flash flooding. Furthermore, severe, widespread flash flooding is expected with IDA. Areas that normally do not experience flash flooding will flood. Lives and property are in great danger through Thursday morning from the northern Mid-Atlantic/Northeast. Furthermore, the SPC has issued an Enhanced Risk of severe thunderstorms over parts of the Mid-Atlantic through Thursday morning.
The hazards associated with these thunderstorms are frequent lightning, severe thunderstorm wind gusts, hail, and a few tornadoes. What was IDA will move from the Mid-Atlantic into New England by Thursday morning then move into the Canadian Maritime Provinces by Friday. IDA will continue to produce heavy rain until it leaves the U. S.
Wednesday A chance of showers and thunderstorms. Some storms could be severe, with damaging winds and heavy rain. Cloudy, with a high near 83. East wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Some storms could be severe, with damaging winds and heavy rain. Low around 66. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Showers and thunderstorms likely before 8am, then a chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night Mostly clear, with a low around 59. North wind around 10 mph, with gusts as high as 20 mph.
Info by The National Weather Service