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Posted at 9:50 AM ET, 06/ 8/2009

Forecast: Storm Chances Settle In

By Brian Jackson

Severe weather possible today and tomorrow

* ElectionCast: PM Storms May Soak Va. Voters Tuesday *
* CWG Captures Tornado | Later: Riding Along With VORTEX2 *


Today: Warm, humid, 50% chance of afternoon storms. 86-89 | Tonight: Evening t-storm? Mostly cloudy, sticky. 69-72. | Tomorrow: Partly sunny. 60% chance for p.m. t'storms, 85-88. | A Look Ahead


After a very nice weekend, our work week greets us with three things the mid-Atlantic is quite familiar with during summer: heat, humidity and thunderstorms. A front parked to the north means unstable air will be in place for much of this week offering a chance for showers and storms from now until the weekend, mostly in the afternoon and evening. We'll also keep a wary eye out for some severe weather in the form of winds and hail in some of the stronger storms today and tomorrow, not to mention flash flooding.

Today (Monday): Summertime heat and humidity make a return today. Skies will intermix with clouds and sun for the morning hours with building clouds during the heat of the day. Highs will be in the mid-to-upper 80s. We may (50% chance) see some thunderstorms develop during the afternoon/evening as a frontal boundary settles just to our north. Some of the stronger of these storms could contain gusty winds and/or hail. Light winds will blow in from the south. Confidence: Medium-High

Coverage: Scattered

Tonight: Any storms will begin to wind down and there should be little activity left by the early morning hours. Skies will partially clear towards morning but conditions will remain quite sticky. It would be a good idea to sleep with the AC on instead of an open window as temperatures will likely stay north of 70 overnight downtown, with 60s in the suburbs. Winds continue out of the south at 5-10 mph. Confidence: Medium-High

Keep reading for the forecast through the weekend...

Tomorrow (Tuesday): Again we'll be looking at warm and sticky conditions across the area. Partly sunny skies will allow temperatures to rise into the mid-to-upper 80s during the afternoon. Our t'storm chances will be on the upswing as well (60%) and these again may contain some damaging wind gusts so keep an eye to the sky (or stay tuned to us here!). Winds out of the south will continue through the day. Confidence: Medium-High

Tomorrow Night: The warm and moist airmass will persist even as storms wane overnight. Mostly cloudy skies can be expected, along with lows in the upper 60s (mid-60s in the suburbs). Southerly winds will blow at 5-10 mph. Confidence: Medium-High


Considerable cloud cover will hold high temperatures down in the low-to-mid 80s on Wednesday. Though it won't be quite as warm (as the prior two days), it will be no less muggy. Thunderstorm chances remain in the picture (30% chance), but less widespread than Tuesday. Overnight lows will drop into the 60s. Confidence: Medium-High

Thursday through Saturday skies will be mostly cloudy with chances for afternoon showers and storms around 50/50. High temperatures will drop to the upper 70s and low 80s but it will still feel quite humid. Overnight lows will generally be in the 60s. Confidence: Medium

On Sunday, we may finally break out of the funk. After some early showers, skies should begin to clear and the humidity may relax a tad. It could turn out quite pleasant but confidence is not high. Highs will probably be right around 80. Confidence: Low-Medium

By Brian Jackson  | June 8, 2009; 9:50 AM ET
Categories:  Forecasts  
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Next: Scientists Get Closest Look Yet at Tornado


It figures...I have two dance nights...the lightning comes back...wish it could hold off until Wednesday...

Posted by: Bombo47jea | June 8, 2009 7:25 AM | Report abuse

Are we headed for a repeat of last week, with cool, damp, rainy and stormy conditions or is this more of a typical summer pattern with heat and p.m. storms? How much precip are we looking at this week? My basement is damp and am worried more 2"-3" downpours will cause it to leak.

Posted by: steske | June 8, 2009 11:50 AM | Report abuse

As a swim coach in Northern Virginia, this new ThunderCast is absolutely HUGE! Of course, I would prefer there to be less lightning bolts in the forecast, but this is a GREAT ADDITION!

Posted by: tengoalyrunr30 | June 8, 2009 12:09 PM | Report abuse


I tend to think the rainfall will probably be in between what you describe... There may be some periods of heavy rain and flood risk; but the storms should tend to be concentrated in afternoon/evening hours, and probably won't affect everyone everyday.

Posted by: Jason-CapitalWeatherGang | June 8, 2009 12:13 PM | Report abuse

Woo! Bonnaroo is only 3 days away! Can I possibly get a concert forecast for Manchester, TN? Can I expect possible thunderstorms every afternoon?

Posted by: UMDTerpsGirl | June 8, 2009 12:30 PM | Report abuse

is it my imagination or are we getting significantly more days of rain (and higher amounts of rain) than in recent years?

i've been wanting to ride my bike in to work every day (starting in early may) and the number of days i've left the bike at home because of rain or forecasted rain probably outweigh the days i've ridden in.

Posted by: freckleface | June 8, 2009 12:41 PM | Report abuse

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