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PM Update: Heavy showers likely late tonight. Thunder too?

Our fourth consecutive day with highs of 80+ is in the books. The strong cold front that sparked severe weather in the Midwest yesterday and in the Southeast today reaches the D.C. area late tonight. It loses much of its severe potential by the time it arrives, but still threatens heavy showers and perhaps a few gusty thunderstorms as well. The result could be a messy Friday morning commute, followed by a cooler but sunny weekend.

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

Through Tonight: Despite increasing clouds, don’t think we’ll see anything more than an isolated shower or thundershower this evening, with delightful temperatures falling through the 70s and into the 60s. As a cold front closes in from the west, showers and possibly thunderstorms become increasingly likely after midnight, and especially after 3 a.m. The overnight timing should limit severe potential, but the strongest showers and storms could produce gusty winds and heavy rain with isolated flash flooding.

Tomorrow (Friday): Showers and possibly thunderstorms are likely during the morning commute including the threat of gusty winds and heavy rain. Rain should clear out from west to east by late morning or early afternoon, followed by partly sunny skies, an increasing breeze from the west, and afternoon highs popping into the mid-to-upper 70s with a small chance of a lingering isolated shower.

See David Streit’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.

Tornado death in Mississippi: The severe weather threat has shifted to the Southeast U.S. today after yesterday’s confirmed EF-2 tornado in Hazelwood, Missouri, near St. Louis and another reported in northern Arkansas. The action appears a bit more violent today with one death in eastern Mississippi the result of an apparent tornado. This is the third tornado fatality of 2013.

Pollen update: Trees remain HIGH at 592.97 grains/cubic meter. The average for the second week in April is around 499 grains/cubic meter.

Dan Stillman is a meteorologist and editor for the Capital Weather Gang. He earned an M.S. in Meteorology from Texas A&M University, and a B.S. in Atmospheric, Oceanic and Space Sciences from the University of Michigan.
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wpadmin · April 11, 2013

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