As of Thursday, forecasters still warning of dangerous flooding from the additional rain likely to fall in the Lower Mississippi Valley.
The heat has proved relentless as areas from Nebraska to southern Illinois are still experiencing record-breaking heat.
After aggravating the West's destructive wildfires, record heat will engulf much of the country this week.
A new study shows that farmers are rapidly depleting groundwater supplies in Kansas and Texas as well as parts of California.
Crucial gaps in the nation’s aviation tornado warning and response system remain, like alerting airline pilots & passengers.