How much did it rain Sept. 16 in Sioux Falls?

Thunderstorms brought heavy rain to Sioux Falls and other parts of eastern South Dakota late in the day Sept. 16.

The National Weather Service issued a flash flood warning shortly before 8 p.m. that included parts of Lincoln and Minnehaha counties after a storm rapidly formed over southwest Sioux Falls and led to reports of small hail and wind gusts.

In some areas of Sioux Falls, the storm dropped as much as 2 inches of rain in a short period of time, potentially causing "very temporary flooding" in places with poor drainage, the weather service said.

How much did it rain in Sioux Falls and other South Dakota cities on Sept. 16?

Rainfall reports in Sioux Falls ranged from nearly an inch in the southwest to only trace amounts farther east, according to the Community Collaborative