Over the next days, areas from Texas to southern Ohio will be drenched with heavy rains.
The National Weather Service (NWS) warns truck drivers of flash floods in areas of southern Oklahoma and northeast Texas.
Rainfall over the next two days will be 4 to 6 inches.
The flood threat extends to northwestern Arkansas and southern Missouri, Illinois, Indiana and Ohio. Flash flood warnings have been issued for most of these places. This includes areas such as Oklahoma City and Tulsa, Oklahoma; Fort Smith, Arkansas; Springfield, Poplar Bluff and Cape Girardeau, Missouri; Carbondale, Illinois; Evansville, Indiana; as well as Louisville, Kentucky.
In some areas, thunderstorms can cause severe hail and tornadoes in Austin, Abilene and Dallas, Texas; Oklahoma City and Tulsa, Oklahoma; as well as Fort Smith.
April 28, heavy snow came down in the Front Range of the Rockies west of Denver.
Look for totals of 6 to 14 inches in the high elevations in places like the Mosquito Range, the Eisenhower Tunnel, Rocky Mountain National Park, East Slopes Southern Gore Range, Cameron Pass, Breckenridge, Winter Park, Willow Creek Pass, the Rabbit Ears Range, Berthoud Pass, Red Feather Lakes and Estes Park.