|1.99mph from the ESE
... After some fog develops tonight, high pressure will bring dry conditions for Sunday. A coastal low could bring a chance of rain east of the Blue Ridge by Monday evening. More widespread chances of rain are expected for the middle of the week.
NEAR TERM /THROUGH SUNDAY/... As of 620 PM EST Saturday...
1) Confidence is high for fog to develop later tonight.
2) Above normal temperatures will continue through the weekend.
This evening should start with mainly clear skies east of the Blue Ridge, but the clouds will fill back across the Mid Atlantic later tonight. The ground is still moist from recent rainfall, and dewpoints are in the upper 40s to the lower 50s. As a result, fog should develop later tonight and may become locally dense. Low temperatures will fall towards the upper 30s to the mid 40s.
Sunday is expected to be a carbon copy of Saturday with morning fog and low clouds giving way to some partial clearing by the afternoon. High temperatures could reach the upper 50s to the mid 60s. No rain chances are expected through the remainder of this weekend, but there could be a chance of patchy drizzle on Sunday morning where clouds intersect the terrain.
SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/... As of 230 PM EST Saturday...
1: Morning fog Monday
2: Rain starts to move in late Tuesday
This period of the forecast will be defined by the ridge positioned just to the east of the Atlantic coast. On Sunday and Monday, this will bring in significant Gulf moisture and warm air advection. Temperatures and dewpoints will increase substantially to make it feel like Spring. The high dewpoints and stable atmosphere on Monday morning will likely lead to fog development around most of the area. An odd mist or drizzle could occur during the day as well.
For Tuesday a wave of low pressure will be caught up in the ridge's flow and pulled northward from the Gulf states and into the Mid- Atlantic. Rain could begin falling as early as Tuesday evening, and once it arrives, the rain will be here to stay for a while as several waves of energy peel out of the southern plains.
Temperatures will be in the 60s and low 70s Monday and Tuesday.
LONG TERM /WEDNESDAY THROUGH SATURDAY/... As of 245 PM EST Saturday...
1: Warm temperatures stick around
2: Unsettled conditions keep rain coming second half of the week
Another wave of low pressure is expected to arrive later in the week, quick on the heels of the previous system. This one may linger a bit as it has a trough/closed upper low accompanying it with a bit of negative tilt. This upper low will "hang on" to the surface low, and slow its propagation to the east, prolonging the period in which rain will fall on us as a result of this system. Confidence is high in multiple days of rain late this week and into Saturday. The rain will do little to dampen the spirits of temperatures however, as March continues to start warm with daily highs in the 60s for most.