From the ABC 7 Weather team

D.C. Weather Forecast

July 6, 2012 - 10:00 AM
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An excessive heat watch has been issued for Friday and soaring temperatures in the triple digits are expected Saturday, but the end of the weekend could bring storms and high winds as cooler air moves in.

(Photo: James Joslyn)

Friday: Sunny, hot and very humid

Highs: Near 100 (Record is 103 from 1999) | Heat Index: 105-110

Overnight: Hazy, warm, and humid

Lows: 72-82 | Wind: S 2-6

Saturday: Mostly sunny, blistering! Record Heat Possible (Isolated Storms)

Highs: 102 (Record is 102 from 2010) | Heat Index: 110+

The heat and humidity will continue in earnest as a large area of high pressure aloft over the Tennessee Valley and Midwest expands eastward. Today, we will be off the races as the mercury will skyrocket to near 100 degrees again. That won’t be far off the record of 103 from 1999.

As usual, the heat will be only part of the story. The dew points — a direct measure of moisture content in the atmosphere — will be running in the upper 60s. This will put heat indices, or “feels-like-temperatures, in the 105-110 degree range. Saturday looks to be the hottest day ahead with temperatures topping off near the record of 102 and heat indices of 110 of higher.

Sunday will bring some relief as a strong cold front approaches from the north with more clouds and thunderstorms. Unfortunately, some of the storms could be severe with gusty winds and large hail. The clouds and storms will keep temperatures in the 90s Sunday.

Behind the front will come a northwest breeze and cooler, less humid weather for Monday with highs in the upper 80s- something to look forward to for sure!

By the way, yesterday was our 8th 95° day in a row and today we break a record with the 9th day of 95+ heat. Stay cool, everyone!

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