scrambling to cover the cost. and the swimmer defying the odds and inspiring america. announcer: this is nbc nightly news with lester holt good evening, everyone when it rains it pours, but rarely like this tonight, an unraveling emergency continues to unfold across swaths of the southwest as severe flooding leaves several areas under water or caked in mud. in texas, arizona, and new mexico fast rising floodwaters triggered some harrowing rescues and shut down major thoroughfares. dallas coming off its second longest dry spell ever, 67 straight days without rain only to now be facing what weather experts say is a 1,000-year flood east of dallas, storm totals approaching 15 inches downtown dallas more than 12 1/2. at dfw airport 7.8 inches of rain falling in just 3 hours. now even as the weather system moves eastward, rain is still in the forecast for some hard-hit areas. miguel almaguer has a look at what they re facing reporter: the record rainfall in cities like
scrambling to cover the cost. and the swimmer defying the odds and inspiring america. announcer: this is nbc nightly news with lester holt good evening, everyone when it rains it pours, but rarely like this tonight, an unraveling emergency continues to unfold across swaths of the southwest as severe flooding leaves several areas under water or caked in mud. in texas, arizona, and new mexico fast rising floodwaters triggered some harrowing rescues and shut down major thoroughfares. dallas coming off its second longest dry spell ever, 67 straight days without rain only to now be facing what weather experts say is a 1,000-year flood east of dallas, storm totals approaching 15 inches downtown dallas more than 12 1/2. at dfw airport 7.8 inches of rain falling in just 3 hours. now even as the weather system moves