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Posted at 10:30 AM ET, 06/10/2009

Forecast: Storm Threat the Norm, For Now

By Dan Stillman

Another chance of severe storms late today

* NatCast | The Dewpoint Debate | The Thrill of the Tornado Chase *
* Storm Downs White House Tree | Later: Storm Chase Video *


Today: Partly sunny & somewhat humid. Mid-80s. Shower/storm chances toward evening. | Tonight: 60% chance of showers/storms through late evening. 66-71. | Tomorrow: Partly to mostly cloudy & humid. Low 80s. 60% chance of p.m. showers/storms. | A Look Ahead


Sick of storms already? Better get used to them -- or at least the chance of them -- through at least Friday. While the odds and timing of storms vary from day to day, the bottom line is that the umbrella is likely to get at least a couple more workouts before the week is up. Like last weekend, though, Mother Nature may time things just right for a pretty decent Saturday and Sunday.

Radar: Latest regional radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Today (Wednesday): It's another warm and somewhat humid day with partly sunny skies and highs in the mid-80s. Any showers and storms look to hold off until early evening, so you should be just fine heading out for lunch and probably into at least the early part of the p.m. commute. Confidence: Medium-High

Tonight: Toward early evening, the next round of showers and storms may be approaching from the west. The chance of showers and storms in the metro area is around 60%, mainly from around 6 p.m. and into the late evening. Some storms could be strong to severe, especially early in the evening. Shower/storm chances dwindle overnight with lows in the muggy upper 60s to near 70. Confidence: Medium

Coverage: Scattered

Keep reading for the forecast through the weekend....

Tomorrow (Thursday): Maybe a stray shower or storm in the morning. Otherwise, we're partly to mostly cloudy with highs in the low 80s and quite possibly more showers and storms (60% chance) come afternoon and evening. Confidence: Medium

Tomorrow Night: Shower/storm chances could linger into the nighttime hours with overnight lows in the upper 60s to near 70. Confidence: Low-Medium


We're still partly sunny, warm and humid Friday with highs in the 80s. And with a cold front close by we still stand a chance (about 40-50%) of shower/storm activity at some point during the day. Confidence: Low-Medium

The weekend doesn't look too bad: Lower humidty. A fair amount of sun. Highs in the low 80s. And as of now, only a 20% chance of isolated afternoon/evening showers or storms. Confidence: Medium

By Dan Stillman  | June 10, 2009; 10:30 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: NatCast: Storms a Threat Once Again
Next: Storm Chase on I-95


Yay, nothing shows yet on the Weather Wall. From my soggy patch, I say, no news is good news.

Posted by: jhbyer | June 10, 2009 9:37 AM | Report abuse

Storms later today look like they could yet again pack quite a punch. I'm raising the thundercast level to three bolts.

Posted by: Dan-CapitalWeatherGang | June 10, 2009 11:38 AM | Report abuse

There is a big blob of green coming this way. Thunderstorms likely again this afternoon too.

Posted by: hikeguy23 | June 10, 2009 11:55 AM | Report abuse

Hello, is there any way you could provide me with an explanation as to why it has been so extremely HUMID (and pretty hot too) for about a month now?? I've lived here my whole life (30 years) and do not remember it ever getting so hot and HUMID so early - it's been gross out since about Mid-May by my calculation. Is there some sort of warm, Gulf air that has been sitting over us or something? Outdoor activities are usually brutal in July and August... to have June and most of May brutal too is just painful (especially if you want to go for a run outside!). Any explanation would be greatly appreciated! thanks

Posted by: jkallen001 | June 10, 2009 12:16 PM | Report abuse

...just as an adendum... clearly i HATE humidity. its seems like it's pretty much always above 60% nowadays, which is miserable and it gets to the 70% range too which is just downright awful!

Posted by: jkallen001 | June 10, 2009 12:20 PM | Report abuse

Are the afternoon thunderstorms going to be of the pop up variety, or something of the more organized system coming later that is still to the west?

Posted by: wecndo | June 10, 2009 1:32 PM | Report abuse

My impression is that we've had a cool and drier (dew point) spring than we have had in the past (until the last couple of weeks).

The data shows us only slighly above normal:

Posted by: bikerjohn | June 10, 2009 1:44 PM | Report abuse

jkallen001: if you have been here for 30 years, you'll know it can get A LOT worse then what it is now. IMO this is nothing! Its in the low to mid 80s and humid. It could easily be in the low to mid 90s with dew points in the low 70s which offten happens around here in the summer.

Posted by: clintonportis17 | June 10, 2009 1:52 PM | Report abuse

IMO it's as bad as during some recent past Septembers, in hurricane season. Drying conditions are downright atrocious around here.

Ironically speaking, it was mighty dry this past winter; many readers recall AugustaJim and I debating over the fact that Washington just can't seem to have ideal weather's either too dry or TOO DARNED WET to be "ideal".

Posted by: Bombo47jea | June 10, 2009 2:14 PM | Report abuse

What are the chances that the thunder storms will hold off to 7:00 pm or so in the Buronsville, MD area?

Posted by: snowlover | June 10, 2009 3:12 PM | Report abuse

Pebble size hail in Adelphi/College Park. Torrential rain for over 1/2 an hour and it continues to pound and pound with heavy thunder and lightning. Starting to flood as well. UNCLE!!

Posted by: Hurrizzard11 | June 10, 2009 6:46 PM | Report abuse

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