Update: Pack the Umbrella, Watch for Lightning

*30-30 Rule: Seek shelter if the length of time between a lightning flash and its subsequent thunder is 30 seconds or less, and remain under cover until 30 minutes after the final clap of thunder. More lightning safety.*

Wish I had better news, but don't kill the messenger, ok? Showers and storms are a good bet this late afternoon and probably well into the evening. It won't rain everywhere all the time, and a few spots may be lucky enough to escape the wetness. But by and large I think most folks will experience at least a period or two of showers and/or storms, which could include gusty winds, heavy downpours and frequent lightning. Afternoon highs in the mid 80s will likely drop to the mid 70s (and stay there) if/once rain arrives at your location.

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Monitor our Severe Weather Tracking Station above for the latest radar and any severe warnings issued by the National Weather Service. What about the rest of the holiday weekend? See our full forecast.

By Dan Stillman |  July 4, 2008; 2:45 PM ET Fourth of July , Updates
Previous: Forecast: Rain, Lightning a July 4th Threat | Next: Forecast: Storm Risk Sticks Around

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Here come the storms, right when you guys said (4-8PM). You guys rock!

We have storms in Culpeper and Fauquier, which are gonna move into Prince William, Fairfax and then into DC and PG & Charles counties.

It looks like another line of storms is down near Charlottesville moving NE that looks like it might hit some of the area in a few hours.

The good thing about these storms is that they're coming through NOW, so hopefully the rain will stop for all the fireworks shows tonight. Sorry for every that is having a barbecue this afternoon/evening though. Hopefully you guys have a George Foreman or a watertight grill or something...

Posted by: weatherdudeVA (Lake Ridge) | July 4, 2008 4:35 PM
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Moderate rain in NW Montgomery but it looks like there will be a dry period in about a half hour. Maybe wet grass for the fireworks up here but I think they can get it off. Not going to predict the Mall fireworks.

Posted by: JT | July 4, 2008 5:04 PM
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Light rain now in Rockville. Not too bad. I'd say if you moved the grill under cover (Not in the garage please) you'd probably be fine.

Posted by: Havoc | July 4, 2008 5:05 PM
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Steady rain in Silver Spring, for the past 30 minutes or so.

Posted by: Murre | July 4, 2008 5:56 PM
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Pouring here in Mt. Vernon

Posted by: D.K. in Alexandria | July 4, 2008 5:58 PM
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WUSA reporting that it's likely the downtown fireworks could be delayed to 9:30 or even 10:00pm...really?

Posted by: Mark | July 4, 2008 6:20 PM
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So basically, my BBQ party got ruined as a result. We had to shut it down earlier than expected and I wanted to go see some fireworks downtown, but it appears that's out the window too right?

Posted by: Rafael | July 4, 2008 6:33 PM
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Most big storms to south and east of Baileys Crossroads by now. Fireworks forecast for the Mall hinges on the group of storms approaching from the west.

Posted by: El Bombo | July 4, 2008 6:49 PM
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Mark - I'm a native and the fireworks have always been rain or shine starting around 9:05. If you're on the mall you take your chances. But since things have been getting ever wimpier around here through the years, I wouldn't be surprised!

Posted by: Max | July 4, 2008 6:57 PM
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Will a cancellation/postponement be posted here if there is one? I read something about a rain-date of tomorrow night, so I feel like a significant postponement is a possibility.

Posted by: ben j | July 4, 2008 7:35 PM
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Ben-- I'm not plugged into where cancellations for the Mall fireworks are announced... so sorry can't help on that. It's going to be a close call with one more line of showers/storms coming through in the next couple hours.

Posted by: Jason, Capital Weather Gang | July 4, 2008 7:49 PM
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Max - I'm at the Residence Inn Rosslyn - we're going to take our chances and walk down to the Iwo Jima Memorial right now and see if we get lucky.

Posted by: Mark | July 4, 2008 7:51 PM
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We're huddled under the umbrella right outside Iwo Jima, got here just in time before the rain started up nice and heavy in Arlington. Completely overcast and grey to our west, so I have no clue if this will move through in time.

Posted by: Mark | July 4, 2008 7:52 PM
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Fireworks went on on time on Carrleigh Parkway (West Springfield). Just a bit of extra water on my burger...

Posted by: Bikerjohn | July 4, 2008 10:00 PM
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Great night to take in Potomac Nationals baseball in Prince William County! Only once did we have to briefly take cover from a shower. Cloud cover did cause the smoke to stay low hindering the end of the fireworks display but given the earlier dire predictions of severe weather, I'd say it was a successful evening!

Posted by: Christina in Centreville | July 5, 2008 12:47 AM
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All you night dwellers...be aware that there is a band of moderate to heavy rain developing in Northern Albemarle and Orange counties, pushing northeast. Looks like it'll affect Culpeper, Fauquier and Stafford counties within an hour or so. No lightning with them as of 0230.

Posted by: weatherdudeVA (Lake Ridge) | July 5, 2008 2:32 AM
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