Live Breaking News & Updates on Casey The Heat Dome

Over the midwest and eastern u.s. this week. heat indices in many places forecast to be near or over 100 degrees. senior correspondent casey stegall is in dallas, a hot dallas right now. good evening, casey the heat dome only further to grow and expand. as of right now. 138 million people are under some kind of a heat watch or warning across the southwest and the great plains tomorrow it jumps to 200 million, expanding into the midwest and the ohio valley by wednesday. as the scorcher grows further north and east. more than 255 million will be in the zone. temperatures expected to climb into the mid 90 s for many. triple digits for handful of others. not quite as hot as the heat wave we have been experiencing here in texas since the end of ....

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