|Dew Point:||44.6°F (7.0°C)|
|Sea Level Pressure:||28.76" (973.9 mb)|
Partly SunnyHigh: 70 Low: 57
Slight Chance Rain ShowersHigh: 71 Low: 58
Chance Rain ShowersHigh: 71 Low: 62
Chance Showers And ThunderstormsHigh: 75 Low: 65
Chance Showers And ThunderstormsHigh: 79 Low: 62
Partly sunny, with a high near 70. Northeast wind around 8 mph.
Partly cloudy, with a low around 57. Northeast wind around 6 mph.
A slight chance of rain showers after 8am. Partly sunny, with a high near 71. Northeast wind 5 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 58. East wind 5 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers after 8am. Mostly cloudy, with a high near 71. Northeast wind around 7 mph. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
... A cold front will move into the southern mid-Atlantic today. Strong high pressure will build north of the region through early next week. A tropical cyclone could form over the weekend and move near the southeast coast and out to sea.
NEAR TERM /THROUGH TONIGHT/... Isolated light rain showers are moving west to east across Nelson and parts of Albemarle Counties in Virginia. Rain amounts will be only a few hundredths of an inch at best. Aside from the showers, patches of dense fog have formed in valleys in the Potomac Highlands and Shenandoah Valley. These are areas where wind has grown calm and dewpoint temperatures are near 60. Visibility has fluctuated in most of these areas from around 2 miles to one-quarter mile then back up to 1 mile. Low confidence in a prolonged period of dense fog but will closely monitor the situation over the next hour or so to decide if an advisory will be needed or not.
As for today, high pressure will continue to build to our north and usher in drier and cooler air than during the early to middle of last week. Obviously, the cloud cover and light to moderate rain showers with the passing front on Friday had kept our temperatures in the 60s throughout the day for the most part. However, we are anticipating a little more sunshine today that will inevitably lift our temperatures from the lower 60s to the lower to middle 70s over most of the region. A few showers can't be ruled out near the Chesapeake Bay area with a northeast to onshore flow during the afternoon.
Dry conditions will continue tonight as temperatures drop to the middle to upper 50s on a light northerly wind and partially clearing skies.
SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/... With high pressure in control to our north and soon to be to our northeast Sunday into Sunday night, another dry and cool day in store for us during the period. High temperatures Sunday will be about the same as today, if not about 3 degrees warmer. The cooler scenario would rely on whether we have a northerly component to our wind or an easterly component to our wind Sunday into Sunday night. Again, a stray shower or two can't be ruled out along the Chesapeake Bay during the afternoon.
As for Monday into Monday night, the high pressure center makes a move toward the northeast to allow for an easterly wind and then a gradual southeast wind. These change in direction will allow for warmth and moisture to return to the region Monday into Monday night, primarily the moisture.
Temperatures will still only reach the middle to upper 70s Monday afternoon. There is a chance that rain showers will develop not just along the Chesapeake Bay, but in other places as well. Rain amounts will be light, if they occur.
LONG TERM /TUESDAY THROUGH FRIDAY/... Coastal low pressure will be sliding offshore Tuesday, increasing the threat of showers. Onshore flow may provide a bit of a cooler wedge, but its too soon to rule embedded thunderstorms out-- a small deviation in the details would allow for sufficient heating. Ample moisture will be in play, and heights will be dropping by the end of the day.
That trough axis, with a surface cold front, will be crossing the area Wednesday...making this period the most likely time frame for precipitation. Given the humidity of the air mass ahead of the front, thunderstorms also possible, but its uncertain whether there will be enough upper level support for strong storms.
Continental high pressure will gradually build Thursday-Friday, with the 500 mb trough axis gradually dampening. Given the low heights, wouldn't completely rule out a diurnally driven shower on Thursday, but the trend will deviate toward seasonable/dry conditions by the end of the week.