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Weather or Not: A look at how long will Maryland's heat wave will last

After a summer of mostly tolerable temperatures, the first extended heat wave of the summer arrived in the Mid-Atlantic this week, with temperatures approaching 100 degrees and heat index values soaring above 110 degrees.

The heat wave won't last, though.

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Relief is on the way.

A cold front is expected to bring at least slight relief to the relentless heat and humidity that gripped the Mid-Atlantic this week. Of course, that will mean an increase in storminess. Scattered showers and thunderstorms are likely Saturday through at least Tuesday.

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This was, without question, the hottest week of the year so far. The high temperatures didn't soar to record highs. We managed to avoid 100+ degree temperatures. But this week was noteworthy for just how warm the overnight temperatures were.

Consider:

For three consecutive nights, Washington recorded low temperatures of 80 degrees or warmer, according to the

The record for number of days where Washington's low temperature did not drop below 80 was four days set in July 2011. So if temperatures stay above 80 in Washington tonight, a definitely possibility, consider that record tied.

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This week's heat wave also considerably boosted the average temperature this summer. From June 1-July 17, the 2013 average temperature is fourth-warmest at BWI Airport and fifth-warmest at Reagan National Airport since 2000, according to the NWS Sterling office.

Cooler temperatures next week could cause that number to go down, however.

Expected highs next week:

86 Sunday, 85 Monday, 85 Tuesday, 87 Wednesday, 87 Thursday and a very manageable 84 Friday.

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