Heavy rain fell across parts of Central and Southern Iowa early Monday morning. The storms developed in southwest Iowa and continued to fill in through Central and Southeastern Iowa through early in the day.
Southwest Iowa had the highest rainfall totals. That is where heavy bands of rain persisted throughout the night. One of the highest totals included 5.2” of rain in Bedford in Taylor County. A Flash Flood Watch was in effect through the night and early morning. Flash Flood Warnings were issued for Taylor, Adams, Union, and Ringgold Counties through mid morning.
Here are some of the higher totals in southwest Iowa:
Mount Ayr: 3.50”
The Metro area saw a significant difference in rainfall amounts overnight. The highest amount fell in a thin band of heavier rain through the overnight over Johnston. An observer there measured 3.43” of rain. National Weather Service employees noticed lots of flooding in the ditches in Johnston neighborhoods due to the heavy rain. While on the south side of Des Moines at the airport only 0.38” of rain fell.
Here are a few of the significant rainfall totals closer to the Metro:
NWS Office (Johnston) 1.87”
Waveland Golf Course 0.44”
Des Moines Airport: 0.38”
Outside of Des Moines and the southwest corner of the state, most of the rain fell in Central and Southern Iowa. Here are a few more totals: