The Omaha metro area has a chance for thunderstorms this evening — but the day's most noteworthy weather news is unfolding in southwest Iowa.
Heavy rain from a few slow-moving, stray thunderstorms has caused minor flooding or the threat of flooding in pockets of southwest Iowa.
This morning, about 4.5 inches of rain fell in Union County, Iowa, according to the Weather Service.
The town of Afton, Iowa, which is west of Osceola, had water running over some roadways, according to local law enforcement officials. Additional flooding was expected in the town of Arispe and surrounding rural areas.
A flood advisory was issued for southeastern Pottawattamie County this morning after an estimated 3 inches of rain fell in an hour.
The advisory is for creeks such as the Walnut, Farm, Spring, Clarks Branch, Indian, Graybill, Crabapple and Jordon. Additionally, rising water is expected on the West and East Nishnabotna Rivers. This is a largely rural area of the county, so the advisory mostly concerns rural roads.
Bryon Miller, meteorologist for the National Weather Service, said the Pottawattamine flood advisory was to remain in effect until 2:15 p.m. because the storms, which were nearly stationary, have a habit of weakening and then redeveloping.
At some point this weekend, most of Nebraska is at risk of severe weather, Miller said. Western and central Nebraska face the greatest risk Saturday. On Sunday, the threat moves to more of eastern Nebraska and western Iowa, Miller said.
"I wouldn't change any plans, but it is something to monitor," Miller said.
The storms could produce damaging winds, large hail and, maybe, isolated tornadoes.
"This is the normal time of year we see severe weather," Miller said.