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Posted at 11:00 AM ET, 07/16/2010

Forecast: 90s here to stay, again

By Camden Walker

Steady hot streak ahead, with ample humidity

* Heat advisory from 11 a.m. to 9 p.m. | Earthquake information *
* The thunderstorm that saved Washington | Code Orange air quality *
* Outside now? Radar, lightning temps & more: Weather Wall *
* New! - Vote your call for today's Daily Digit (see below) *

Today's Daily Digit
A somewhat subjective rating of the
day's weather, on a scale of 0 to 10.


Well into the 90s & oh-so-humid. Little chance of shower reprieve. Do you see any redeeming qualities?
Get the 'Digit' on Twitter


Today: Hot & humid. 20% chance of p.m. shower/storm. Mid-to-upper 90s. | Tonight: Partly to mostly cloudy. 20% chance of evening shower/storm. Muggy 70s. | Tomorrow: Partly sunny & humid. 40% chance of showers/storms. Low-to-mid 90s. | Sunday: Becoming mostly sunny, humid. Slight p.m. shower/storm chance. Low-to-mid 90s. | A Look Ahead | Get Express Forecast by E-mail


A. Camden WalkerMan oh man, we will sweat this weekend. Temperatures, for the most part, will be in the 90s through the foreseeable future. This despite a cold front that moves through Saturday, but has little impact on the heat or humidity. Rain chances are not terribly impressive, so the prospect for any consistent cooling relief from storms isn't great. Lather on the sunscreen and keep the outdoor strenuous activity to a minimum. Another extended hot streak is upon us, even if it doesn't feature 100+ highs.

Temperatures: Latest D.C. area temperature map powered by iMapWeather (base map by Google). Click and hold on map to pan. Double-click to zoom. Refresh page to update. See larger map on our Weather Wall.

Today (Friday): Besides a small (20%) chance of an afternoon or evening shower or thundershower, it will be a mostly sunny, hazy, humid day. Highs in the mid-to-upper 90s will be very uncomfortable. Air quality will also be less than ideal. Code Orange can pose a hazard during your morning jog, or even during light outdoor activity if you have asthma. Take it easy, ok? Confidence: Medium-High

Tonight: There will be some clouds, but still only a small (20%) chance of an evening shower or thundershower. Prepare for muggy temperatures -- falling into the 80s during the evening with overnight lows in the 70s. In other words, darkness brings little relief from the heat and humidity. Confidence: Medium-High

Keep reading for the forecast into next week...

Tomorrow (Saturday): A cold front in our vicinity brings increased chances for a few showers or storms, mainly in the afternoon or evening. However, those chances aren't looking as good as they once were (down to around 40%). Highs may come down a few degrees, to the low-to-mid 90s under partly sunny skies. But humidity remaining in at least the moderate range keeps the afternoon heat index up around the mid-to-upper 90s. Drink lots of water! Confidence: Medium

Tomorrow Night: Wish I had something new to say here. The beat goes on with a warm and humid evening (not much of a shower/storm chance) and mild lows in the 70s. Confidence: Medium

Sunday: Saturday's cold front pretty much has no punch, and so Sunday's weather shows little change. Mostly sunny skies, especially by midday, allow highs into the low-to-mid 90s again along with ample humidity. Sunscreen and lightweight, light-colored clothing are just what the doctor ordered. Still have to mention a slight chance of an afternoon/evening shower or thundershower. Confidence: Medium


Partly cloudy and muggy Sunday night with that slight evening shower/storm chance and overnight lows in the 70s. Confidence: Medium

Monday and Tuesday could pretty much be carbon copies of Sunday. High temperatures under partly sunny and hazy skies should reach into the low-to-mid 90s. Humidity shows no signs of improvement, and afternoon/evening shower and storm chances could edge upward to around 30-40%. Confidence: Medium

By Camden Walker  | July 16, 2010; 11:00 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: I felt it too: Earthquake information...
Next: D.C. 2010: Blizzards, heat waves... earthquake?



Posted by: atoms5 | July 16, 2010 5:08 AM | Report abuse

OMFG earthquake!!!

Posted by: samdman95 | July 16, 2010 5:09 AM | Report abuse

Yup. Earthquake. Wow.

Posted by: kriscolby | July 16, 2010 5:19 AM | Report abuse

Yep - earthquake!

Posted by: snowlover | July 16, 2010 5:19 AM | Report abuse

YES!!! 5:05 AM...I'm in Fairfax. Wasn't sleeping well and felt the whole thing. Never felt an earthquake before but knew either that was an earthquake, or a bomb dropped somewhere in our area...haha

Posted by: rocotten | July 16, 2010 5:19 AM | Report abuse

What was that? Something just woke us up here in Bethesda.

Posted by: bethesda-rat | July 16, 2010 5:20 AM | Report abuse

Posted by: atoms5 | July 16, 2010 5:26 AM | Report abuse

I felt it pretty strongly here in Annandale. Ran to the window to see if a big truck was rumbling by. Then I figured out what it was.

Posted by: jimfergusonj | July 16, 2010 5:26 AM | Report abuse

Posted by: rocotten | July 16, 2010 5:27 AM | Report abuse

Earthquake centered in Gaithersburg.Preliminary strength 3.7 I had just woken up and heard the faint rummble, then the house shook slightly and the rumble subsided. Probably lasted about 5 seconds total. It's the first quake I've ever experienced- pretty cool (as long as it's a tiny one)!

Posted by: ppitts2 | July 16, 2010 5:29 AM | Report abuse

Felt out here in Odenton, MD!

Posted by: snowlover | July 16, 2010 5:30 AM | Report abuse

I am in Montgomery Village MD. We totally felt the earthquake. Glasses rattling /house shaking. Wow!

Posted by: soleil2000 | July 16, 2010 5:33 AM | Report abuse

Posted by: samdman95 | July 16, 2010 5:34 AM | Report abuse

5:06 getting ready for work. Felt an earthquake in Potomac as well.

Posted by: barbsj | July 16, 2010 5:37 AM | Report abuse

Seems more shaking was south of the epicenter...must be the geology.

Posted by: rocotten | July 16, 2010 5:48 AM | Report abuse

Up but thinking about going back to sleep when quake hit. Years of being thrown out of bed by quakes in the Berkeley Hills definitely came to mind. Chevy Chase, MD.

Posted by: ChevyChase3 | July 16, 2010 5:49 AM | Report abuse

There was an earthquake? I slept right thru it. Anyway, all I know is at only 6am the humidity is 94%, the dew point is 70, and we are under a heat advisory. This ain't gonna be a good day.

Posted by: rwalker66 | July 16, 2010 6:04 AM | Report abuse

Wow. That was a trip. Whole house vibrated for what seemed like a minute (Was likely less than 10 seconds).

Epicenter coordinates from USGS places it in Germantown just west of 270 and just south of Middlebrook Rd., Magnitude 3.6

Posted by: dprats21 | July 16, 2010 6:15 AM | Report abuse

I think we felt it here in DC, but I'd just woken up probably five minutes earlier, and I think I thought it was a truck going by. In related news, I tink I taw a puddy tat.

Posted by: mensan98th | July 16, 2010 6:29 AM | Report abuse

What are the chances for after shocks with this earthquake? Also, I am never happier about working inside an air conditioned building than I am when it is this gross outside and it's only 7:00AM.

Posted by: HokieTerp | July 16, 2010 6:59 AM | Report abuse

I am glad everyone is ok! Stay cool today and get some rest tonight. I know I need it after the "giant trash truck" sound this morning ruined my sleep too!

Posted by: Camden-CapitalWeatherGang | July 16, 2010 9:45 AM | Report abuse

I was half awake in my apartment at Leisure World in Silver Spring when I heard what sounded like a brief, sharp thunder clap.

Posted by: dick1932 | July 16, 2010 9:57 AM | Report abuse

I was at least half-awake around 5 am. Might have heard some rumbling...dismissed it as probably another heavy vehicle on Columbia Pike or Greenbrier St...or as the A/C going on or off. Didn't perceive anything like an earthquake. Found out later from WTOP. Weather here hasn't been extraordinary except for the heat.

Since dances aren't an exceptionally big deal until Tuesday [though a few are scheduled] I shouldn't have any big problems with rain events for a while. We might have a trough in the vicinity for several days, so a bit of convective rain each afternoon shouldn't surprise anyone...nor should an aftershock or two.

Posted by: Bombo47jea | July 16, 2010 12:33 PM | Report abuse

The average high for this time of year is around 88. We have been soaring above average for the better part of the last 4 months, sometimes by as much as 10-20 degrees. When are we going to cool down to average temps for the season?

Posted by: AxelDC | July 16, 2010 3:12 PM | Report abuse

we aren't. "average" was for the old days...

Posted by: walter-in-fallschurch | July 16, 2010 8:54 PM | Report abuse

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