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Posted at 9:25 PM ET, 07/27/2009

PM Update: Sultry; Isolated Shower or Storm?

By Ian Livingston

More heat and humidity on Tuesday, storms possible late

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While the best chance for significant storms this evening appears to be to our south and east, there could be an isolated strong storm or two around here as well. Many, however, will probably remain dry. Following the first back-to-back 90F+ days of the year in D.C. this weekend, temperatures today were a hair cooler, as highs generally reached the upper 80s to near 90.

Through Tonight: Many areas will probably stay dry. But there is a chance of a couple isolated showers or storms through evening -- which could be locally strong with heavy rains and wind. Overnight, we should see partly cloudy skies with the chance of an isolated shower. Lows will fall to the warm and muggy upper 60s and low 70s.

Tomorrow (Tuesday): We should see at least partly sunny skies on Tuesday along with fairly hot temperatures. Highs look to top out in the low 90s most spots, and combined with dew points in the 60s, it will feel rather sticky. There's a chance, yet again, of afternoon and evening storms as well.

See Matt Rogers' full forecast through the weekend. And if you haven't already, join us on Facebook and follow us on Twitter.

GOES-14: GOES-14 was launched into orbit a month ago today and we now have the first image from it. Testing of the satellite began earlier this month and will continue through December. After testing is complete, the satellite will be put into storage while orbiting. It will become active when the time comes to replace one of the other GOES satellites, and is expected to provide improved detection of severe weather and solar storms.

By Ian Livingston  | July 27, 2009; 9:25 PM ET
Categories:  Forecasts  
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Isolated showers (soon a storm?) are popping from west of Alexandria on a line across DC up toward Bowie right now. Most everything so far has been having trouble, visible satellite does show a decent band of towering cumulus though.

Posted by: Ian-CapitalWeatherGang | July 27, 2009 7:21 PM | Report abuse

First rumbles of thunder and sporadic rain in NW DC just a few minutes ago. Good weather for a rainbow, though I don't see one from here - sun's shining as it sets, dark cloud cover to the east and south.

Posted by: Ann-CapitalWeatherGang | July 27, 2009 7:38 PM | Report abuse

Thunder in the Silver Spring - Takoma Park area a few minutes ago.

Posted by: Murre | July 27, 2009 7:44 PM | Report abuse

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