From the ABC 7 Weather team

DC Forecast: High heat today, lowering the thermostat tomorrow

July 20, 2013 - 09:32 AM
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The heat goes on!  Today will likely be the sixth consecutive 90 degree plus day with a projected high in the mid 90s.  A Heat Advisory is in effect from noon to 7 PM as heat indices could reach to 105. 

This Afternoon:
Partly Cloudy, Hot, Humid, T'Storms
Highs: 91-96
Heat Index: 100-105
Tonight:
Warm & Humid, T'Storms Likely
Lows: 73-76
Rain: 70% Chance
Sunday:
Mostly Cloudy, Showers, Not as Hot
Highs: 88-92
Rain: 60% Chance

It is yet another stiflingly humid morning in the Nation's Capital as we continue suffering through the heat wave that began five days ago.  And while the daytime highs have broken no records, topping out at 97 on Wednesday, the nighttime lows in the city could be historic.  By not dipping below 80 degrees for four straight days, the all-time record has been tied; if this morning's low is another 80 degree or above reading, a record high minimum streak will be set.

With a cold front still well to our north and the ridge of high heat and humidity still in place, we can expect a day with partly cloudy skies, temperatures in the low to mid 90s, high humidity, and a chance of scattered thunderstorms, some of which could be severe.  The front will likely stall over the area tomorrow, bringing more clouds than sunshine, a greater likelihood of showers, and highs around 90.  Unfortunately, the retreat of that front to the north will mean humid air will largely stay in place through much of the coming week.  A stronger front on Wednesday into Thursday could bring drier and somewhat cooler air to the area.  Until then, very warm, muggy days with threats of thunderstorms will prevail.  However, daytime highs will be closer to the 89 degree seasonal norm, a silver lining not to be dismissed lightly after our week-long sizzle!  Enjoy your weekend.

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