More than 20 million people in the Southwest are under heat alerts as triple-digit temperatures threaten the region. Meteorologist Molly McCollum from CBS News’ partners at The Weather Channel has a look at the forecast.
More than 20 million people in the Southwest are under heat alerts as triple-digit temperatures threaten the region. Meteorologist Molly McCollum from CBS News’ partners at The Weather Channel has a look at the forecast.