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Posted at 6:05 PM ET, 06/24/2010

Record high temperatures set at all local airports

By Ian Livingston

Triple-digit heat at National and BWI; "Cooler" tomorrow

* Beyond the BP spill | June heat threatens D.C. record *
* Outside now? Radar, lightning, temps & more: Weather Wall *

Record highs have been set today at all major local airports as temperatures hit the upper 90s to near 100 for highs across the area. Despite the heat, and a cold front moving into the area, storms that were approaching the region have failed to hold together or re-strengthen. The threat of severe weather has now passed.

Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. See this image bigger on our Weather Wall.

Through Tonight: The broken line of showers and storms that largely fell apart should quickly move through and be headed east before sunset. If you don't get rain or cooling winds from a storm, temperatures will only slowly fall to near 90 at sunset, while spots that see rain could drop to the mid-or-upper 70s. Everyone falls to lows around 70 in the suburbs to the mid-70s downtown.

Tomorrow (Friday): We lose nearly 10 degrees off today's highs but it won't be "cool." Mostly sunny skies combined with lower humidity will feel a bit more pleasant though. Nevertheless, we may keep the heat wave alive (it would be one week straight of 90+) as temperatures reach highs near 90 or into the lower 90s. A light north wind will help make things more bearable than today!

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

Record highs: Highs of 100 at National, 97 at Dulles and 100 at Baltimore-Washington have set new records. The previous highs for the date were 98 (1894) at National, 95 (1966) at Dulles and 98 (1966) at Baltimore-Washington. This is the first time the area has seen triple-digit heat since 2007 and also the first time National has hit 100+ in June since 1997.

3:10 p.m. A broken line of strong to occasionally severe thunderstorms is racing toward the area as a cold front approaches. As is often the case, it is possible that many locations won't see action, but those that do may witness intense rain, some hail, and potentially damaging wind gusts. The trend with the line has been toward less activity, and this may end up not being a big deal for many, but given the high heat we need to keep our guard up.

By Ian Livingston  | June 24, 2010; 6:05 PM ET
Categories:  Forecasts  
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AMSU satellite observations show that almost every day this year the global average near surface temperature has been warmer back to and including 1998!

Moreover, the same is true in globally averaged sea surface temperature, except the available daily record goes back only 2003!

Posted by: SteveT-CapitalWeatherGang | June 24, 2010 3:25 PM | Report abuse

Since the line seems to be falling apart, this might be a good place to show the new drought monitor map that has low levels now showing up across eastern portions of the area.

Posted by: Ian-CapitalWeatherGang | June 24, 2010 3:27 PM | Report abuse

Bring it on!
(What I mean is a nice rainfall event, NOT hail, heavy winds, power outages, flash floods, lightning strikes, downed trees or tornadoes)

Posted by: FIREDRAGON47 | June 24, 2010 3:31 PM | Report abuse

We had some pea-size hail out here in Strasburg as well as pretty gusty winds, but it is already clearing to the northwest..

Posted by: ValleyCaps | June 24, 2010 3:34 PM | Report abuse

rain would be so nice...

Posted by: madisondc | June 24, 2010 3:35 PM | Report abuse

Want to feel cooler? Just imagine you are the South Pole where it's currently -56 deg in snow with the forecast calling for -90 on Monday !

didn't work for me either >

Posted by: SteveT-CapitalWeatherGang | June 24, 2010 3:35 PM | Report abuse

It's amazing to see the line disintegrate like that. Why did we waste a day in the upper 90's and still not get any storms with a cold front?

Posted by: eric654 | June 24, 2010 3:52 PM | Report abuse

As expected, the "broke" in "broken line of thunderstorms" is headed for most of our expected...

Maybe this weekend?

Posted by: rocotten | June 24, 2010 3:52 PM | Report abuse

Steve T. I hope u got Mr. Q's approval b4 posting the info on Global temps. I'm sure he has some info 2 refute that statement.

Posted by: VaTechBob | June 24, 2010 4:05 PM | Report abuse

Aww, I'd love to be at the South Pole, actually. PENGUINS!! :)

Posted by: sigmagrrl | June 24, 2010 4:10 PM | Report abuse

No surprise to see yet another storm break apart before delivering the goods. We've been jinxed in Bethesda since the hailstorm of May 14. A few quick showers since, but nothing like the soaking rain we need.

Thanks for the drought map.

Posted by: Cat11endofdays | June 24, 2010 4:11 PM | Report abuse

Another missed opportunity. The dreaded gap has passed over NW Montgomery.

Posted by: MKadyman | June 24, 2010 4:14 PM | Report abuse

@CWG -- is there a possibility that more storms will develop, or is that it for the day?

Posted by: kperl | June 24, 2010 4:25 PM | Report abuse

kperl, the severe threat is ending as the line of showers passes -- though there is still some potential it can fire up where it has not passed. There probably wont be much more behind it, perhaps a shower. Will update the post in a few.

Posted by: Ian-CapitalWeatherGang | June 24, 2010 4:29 PM | Report abuse

Rador showing the rain right over us at near Dulles Airport but.... only got a few drops. When will we ever get more than a few drops again?

The heat has not felt real smothering yet but the lack of rain had been the real problem. Map shows only borderline drought but it *feels* much worse combined with the heat and fast evaporation. More than half of the lawn in the neighborhoold looks terrible.

Posted by: LoudounGeek | June 24, 2010 4:30 PM | Report abuse

I have the A/C at double snowflake but, I was thinking about the Mt. Everest I had in the driveway. I really thought it would be there into the summer.

Posted by: tbva | June 24, 2010 4:31 PM | Report abuse

I figured our dear Mr. Q doesn't bother with forecast posts; otherwise it's best just to ignore him

Posted by: SteveT-CapitalWeatherGang | June 24, 2010 4:33 PM | Report abuse

The sun is out again. Is it a joke NWS still has the Thunder Storm Watch till 8pm???

Another squandered opportunity when "the front moves in". The drought watch is on with all these misses.

Posted by: LoudounGeek | June 24, 2010 5:24 PM | Report abuse

Steve, I learned 2 ignore his rhetoric a long time ago. All he adds is bandwidth.

Posted by: VaTechBob | June 24, 2010 5:24 PM | Report abuse

It is hot here in Montgomery County. I think this weather is more dangerous than the snow was? What do other people think?

Posted by: celestun100 | June 24, 2010 5:56 PM | Report abuse

Where is Walter in Falls Church?

Maybe he should post some pretty snow sculpture pictures to take our minds off the heat.

Posted by: celestun100 | June 24, 2010 5:58 PM | Report abuse

National hit 100 in between obs!

Posted by: Ian-CapitalWeatherGang | June 24, 2010 6:03 PM | Report abuse

Is the thunderstorm over, or just missed DC? I'm in Shady Side, MD, south of Annapolis (near Deale) -- any chance here? The NWS's map just confused me.


Posted by: ChickenLady | June 24, 2010 6:25 PM | Report abuse

ChickenLady, the threat is over for the whole area at this point.

Posted by: Ian-CapitalWeatherGang | June 24, 2010 6:30 PM | Report abuse

OK, thanks Ian.

Posted by: ChickenLady | June 24, 2010 6:55 PM | Report abuse

Sigh, I really wanted a cooling shower here downtown. No dice! againnnn. :(

Posted by: Camden-CapitalWeatherGang | June 24, 2010 10:42 PM | Report abuse

Where are all of last winter's global warming skeptics now? No doubt sitting home at their computers, running their A/C's at full crank, and blogging that this heat wave is just part of a natural cycle; nothing to worry about.

Posted by: GreenDolphin | June 27, 2010 1:45 PM | Report abuse

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