Forecast: Sweating Out Some Strong Storms

Storms could be severe today; Heat wave on the way

My gosh, is June off to an active start or what? Occasional storms, some of which could be severe (moderate risk, says the Storm Prediction Center), will be the story today. Then, big-time heat and humidity arrive for an extended stay starting tomorrow.

TODAY (WEDNESDAY)

Storms... some severe? Warm and humid. Mid to upper 80s. Early-morning clouds, showers and thunderstorms should diminish by the morning commute, giving way to a partly sunny late morning through midday with still a chance of a shower or storm here or there.

As highs climb into the mid to upper 80s, with noticeably high humidity, the threat for showers and thunderstorms increases again for the late afternoon through early evening, when some storms could be severe -- with hail, damaging winds, the chance of an isolated tornado or two, and heavy rain. Storm after storm may track over the same areas (this is sometimes referred to as training) -- producing rainfall of 1-2" or more.

Tonight, muggy with a chance of showers and storms through midnight. Then, fog developing in some places with lows near 70.

Keep reading for the surprisingly scorching forecast into early next week. See NatCast and UnitedCast for the forecast for tonight's games.

THURSDAY

Warm. Humid. Near 90. Chance of showers/storms. Another warm and humid day with a good amount of sun and highs aiming for the 90-degree mark. The number and severity of showers and storms should be decreased from Wednesday, but a couple strong ones could pop up during the afternoon or early evening.

Overnight, partly cloudy with lows in the low to mid 70s downtown, upper 60s to near 70 in the burbs, and a small chance of a shower or thunderstorm.

A LOOK AHEAD

Friday through Tuesday are shaping up to be classic summer scorchers -- hazy, hot and humid with highs in the low to mid 90s each day and a chance that someone, somewhere, sees a passing shower or thunderstorm in the afternoon or evening. Confidence: Medium-High

As of now, it looks like it won't be until Wednesday that a cold front comes through -- with a chance of showers and thunderstorms -- and puts an end to our early-summer heat wave. Confidence: Medium

By Dan Stillman |  June 4, 2008; 5:00 AM ET Forecasts
Previous: CommuteCast: Prepping for More Storminess | Next: UnitedCast: Showers and Storms Around

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Good morning, Tornado Watch continues until 10 am for an area south of a rough Fredericksburg-Luray/Harrisonburg-Elkins area. All of Northern Virginia and central and western Maryland are under a Flash Flood Watch, including some of the northernmost areas of the Tornado Watch.

Make it stop!

Posted by: Murre | June 4, 2008 5:39 AM
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I'm fine with the rain. Knowing this area, we probably will be lacking in it this summer ... Anyway, the rest of the week, or really, the rest of the summer (meteorologically speaking) looks like hell.

Posted by: Period | June 4, 2008 6:58 AM
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Weather radio woke me up at 2:21 and 2:35 this morning for the severe thunderstorm warning south of us, and then the tornado watch. The thunder was nice to listen to, actually.

Hopefully the storms won't be too bad today. I'm tired of severe weather.

Posted by: weatherdudeVA (Lake Ridge) | June 4, 2008 7:34 AM
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Yesssss! H3 for the weekend, when I'll be on the beach in Ocean City.

Hope there's some surf.

Posted by: wiredog | June 4, 2008 8:18 AM
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There was a water spout last night with that tornado warning:

0745 PM WATER SPOUT 1 W INDIAN HEAD 38.60N 77.18W
06/03/2008 CHARLES MD COUNTY OFFICIAL

WATERSPOUT REPORTED NEAR INDIAN HEAD. RELAYED BY
EMERGENCY OPERATIONS CENTER.

Posted by: weatherdudeVA (Lake Ridge) | June 4, 2008 8:53 AM
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SPC just upgraded us to a moderate risk for this afternoon...

Posted by: Chris | June 4, 2008 9:11 AM
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West Springfield (Accotink Lk/Mixing Bowl) --> Storm Total since 5pm yesterday = 1.05"

I didn't know so much came through during the night! (Another 2/3rds of an inch after 9pm)

Posted by: Bikerjohn | June 4, 2008 9:32 AM
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Good WX records don't go back long enought to see if the current early storm trend is new or a repeat. What is sure is that the jetstream is taking larger departures to the north and south earlier in the year than times past. Thats the fuel for these intense storms, especially in the midwest.

Interesting times.

Posted by: sepapilot | June 4, 2008 10:52 AM
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Posted by: Ian, Capital Weather Gang | June 4, 2008 12:07 PM
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Looking at an experimental NCEP radar simulation model which, to me, has proven surprisingly accurate in the past, suggests that the line of strong to severe thunderstorms is likely to push through the immediate DC metro area between 4 and 5pm this afternoon.

Posted by: Josh, Capital Weather Gang | June 4, 2008 12:51 PM
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Did any hail fall today?

Posted by: Sandra | June 4, 2008 10:35 PM
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