PM Update: Cooler air headed back in

Storm risk low into evening

Under a mix of clouds and sun, temperatures have warmed nicely into the 80s most spots. This is D.C.’s third such day this month, already right around “normal” (3.6 days) for April. Dew points have also been up there, adding a bit of early-season humidity to the air. The shower and t’storm risk is not a significant one it seems, but keep an eye to the sky if you’re out and about the next few hours.

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Radar & lightning: Latest regional radar shows movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Through Tonight: After a risk of an isolated to scattered shower or thunderstorm in the next few hours, skies are partly cloudy overnight. Most of the dynamics that would aid strong storms are north of us, so we may stay largely dry. Behind the front, winds blow from the northwest around 10 mph with higher gusts, as lows reach the upper 40s to lower 50s.

Tomorrow (Thursday): It’s partly-to-mostly sunny and breezy behind the cold front. Highs should reach the low-and-mid 60s. Winds from the northwest pick up a bit during the day, sustained around 15 mph or so, with gusts around 30 mph possible.

See Dan Stillman’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter .

Tropics: A weak area of disturbed weather has formed in the Atlantic and has been classified Invest 91L to the northeast of Puerto Rico. Though the odds are stacked against it forming into anything truly tropical given climatology (only one April storm has formed since 1851, in 2003), the environment it moves into over the next day or so should be a little more favorable for development. Thereafter, it’s more likely to be ripped apart by high winds which are typical in the area this time of year.

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.

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