From the ABC 7 Weather team

D.C. Weather Forecast: More sun, but hotter for Independence Day

July 3, 2013 - 09:52 PM
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A few showers popping up on Live Doppler.  Will they stick around for 4th of July fireworks?

Tonight:
Warm and quite humid, isolated showers
Temperatures: 70s
Wind: S 5-10 mph
Independence Day:
Partly cloudy, hot, humid, with a 20% chance of a late day shower or thunderstorm.
Highs: Around 90 degrees
Wind: S 5-15 mph
Friday:
Partly cloudy, hot, and humid with a 20% chance of a late day shower or thunderstorm.
Highs: Around 90 degrees
Wind: S 5-15 mph

High Pressure centered over the Western Atlantic is slowly inching westward toward the mid-Atlantic coast while a stubborn, upper-level low persists over the Midwest. Therefore, hot and humid conditions will persist for the foreseeable future. There will be subtle day to day differences, mainly in the probability of precipitation each day. Rain chance will drop to 20% for tomorrow, the Fourth. That might bode well for the fireworks display.  Check out one simulation of the clouds and rain tomorrow around firework time.  It looks promising!

Low chances of rain will remain through Friday and we may not see any rain on Saturday. By Sunday, rain and thunderstorm chances will increase once again. One thing that will not change is the persistent heat and humidity. High around 90 to the lowers 90s will at least through the middle of next week.

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