Now
Sunny, moderately muggy. Following the warm streak for the first half of the month and the coolness last week, temperatures are sliding toward September very near seasonable averages for the highs and a little above average for the lows; overall the month is 2.2° above normal. By 5pm, readings were in the low and mid 80s throughout the region. Humidity is moderate, with dewpoints in the mid 60s.Ahead of a cold front through central Pennsylvania and West Virginia, scattered showers and thunderstorms have broken out, mostly through northern West Virginia. Some storms could still develop east of the mountains through this evening, but the probability is only about 20%.
CapitalWeather.com chart from NWS data, photo © Kevin Ambrose
Partly cloudy, warm, seasonably humid, slight chance of showers. There is a 20% chance of showers or thunderstorms through this evening. Lows will be in the upper 60s to near 70°. Tomorrow will be sunny and warm with highs 84-87° and a slight chance of showers or thunderstorms in the afternoon.For the outlook through a nice-looking holiday weekend and beyond with Larson's Long-Range, scroll on down to Josh's post below.
The tropics remain relatively quiet, although the tropical wave now about 600 miles east of the Windward Islands still has the potential to become tropically depressed in the next couple of days.
A second wave about 250 miles west of the Cape Verde Islands has "minimal" shower activity, and any development is expected to be slow.
Now that Jason is retired as president of the local chapter of the American Meteorological Society (thanks for your outstanding service, Jason), there is not even the appearance of a conflict of interest in CapitalWeather.com promoting meetings of the DC-AMS. The first meeting of the new season on September 26 features Chris Mooney, author of "Storm World". The meeting is free and open to the public, but RSVP is required. Details will be posted soon on the DC-AMS website.
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