PM Update: Shower and storm risk this evening ahead of a superb weekend

Radar & lightning: Latest D.C. area 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.

After highs made the near 80 to mid-80s range today, showers and storms moved through and nudged readings back into the 70s. Some re-heating has occurred, and it’s still very muggy out there! A second line of showers/storms is approaching from the west, along a cold front that will usher in a sweet weekend across the area.

Through Tonight: Isolated downpours are possible in between the line that passed and the one to the west. Our next consistent risk (60-70% chance) should push through during the evening. Given its current movement and short-term modeling, let’s say 7-11 p.m. is the window from west to east. Assuming these storms hold together (they may try to fall apart given the timing), some more heavy rain and lightning is a good bet, along with localized flooding. Other severe storm concerns like damaging wind are minimal. After storms pass, we’ll see skies trend clearer and humidity drop. Lows reach the upper 50s to mid-60s as winds shift to the northwest.

Tomorrow (Saturday): Early thoughts: this one looks like a contender for a 10 out of 10 on the Daily Digit. Humidity is very low, sunshine is plentiful, and temperatures head for the upper 70s to low 80s. Breezes may be stiff at times from the northwest, but with those pleasant highs it shouldn’t be a problem.

Sunday: Coming off overnight temperatures in the comfy mid-50s to lower 60s, we’ve got another winner on our hands. Mostly sunny skies combine with continued low humidity as highs head for the low-to-mid 80s. Winds should shift around toward the south and they’re quite light overall.

See Camden Walker’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.

D.C. this afternoon as seen from Virginia. Note the muddy and full Potomac. (NPS)

Pollen update: Mold spores are high, tree pollen is moderate, while grass and weed pollen is low.

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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Jason Samenow · June 13, 2014

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