PM Update: Scattered showers and thunderstorms possible through Tuesday


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The heat’s been toned down compared to recently, but it’s still feeling like July out there. Highs reaching the mid-80s to around 90 are pretty close to normal across the area. Rain hasn’t dampened things too much today, though we’re not yet out of the woods as far as that goes.

Through Tonight: Scattered showers and storms are possible (50% chance) through the evening, perhaps largely focused north and west of the area, but trying to shift east around sunset. The risk may persist through the night, though it seems it should generally be on the decrease as we lose the aid of daytime heating. Any rain that falls could be locally heavy. Lows range from near 70 to the mid-70s.

Tomorrow (Tuesday): Skies are partly cloudy on the whole, and periods of cloudier skies are also possible. Along with those clouds comes that continued chance of showers or storms (about a 50% risk). Highs are mostly in the upper 80s to low 90s. Still humid, too! Winds are from the west around 10 mph.

See Jason Samenow’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.

London waiting in the heat: On “Royal Baby Day,” another milestone was reached in England. London recorded the UK’s hottest day since July 2006. The temperature rose to 33.5C there, or 92.3F. The heat is expected to break with some storms and potential flooding overnight.

Pollen update: Tree, weed and grass pollen is LOW. Mold spores are MEDIUM/HIGH.

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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Heat Tracker

48
90-degree days year-to-date
Yearly Average
36
Record Most
67 (1980,2010)
Record Fewest
7 (1886,1905)
Last Year
24

At a Glance

Fri.

thunderstorms
76° /90°
Drop 20%

Sat.

partlycloudyday
73° /84°

Sun.

partlycloudyday
69° /83°

Mon.

partlycloudyday
71° /89°

Tue.

thunderstorms
72° /90°
Drop 20%

Wed.

thunderstorms
73° /91°
National Airport
Dulles
BWI

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D.C. Area Almanac

 
National
Dulles
BWI
Avg. High
 
Avg. Low
 
Rec. High
 
Rec. Low
 
Sunrise
 
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Jason Samenow · July 22, 2013

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