The severe heat wave that's led to record temperatures in the southwest is set to expand this week, according to the National Weather Service.

<div class="block">The severe heat wave that&#39;s led to record temperatures in the southwest is set to expand this week, according to the National Weather Service.</div>

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Record-Breaking Heat Wave in U.S. Continues

Hanna. According to the national weather service, the severe heat wave that's led to record temperatures across the American Southwest is set to expand this week. The West Midwest and Eastern States are going to face high pressure and hot air in the coming days. Meanwhile, the heat over Phoenix is still breaking records. The state now has had temperatures over 110 degrees for 24 days. They've also faced daily lows in the 90 s for the past two weeks. Experts predict the extreme heat will continue through the rest of the month.