O’Fallon flooding closes road, blocks entrance of subdivision

‘When it gets that high, the road is imable, you can’t get past the road,’ a resident tells First Alert 4
The signs along Weldon Spring Road say the road is flooded, and neighbors say all the rain on Friday flooded the area, making the road imable.
Published: Apr. 6, 2025 at 7:55 AM CDT
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ST. LOUIS, Mo. (First Alert 4) — The signs along Weldon Spring Road say the road is flooded, and neighbors say all the rain on Friday flooded the area, making the road imable.

“That’s happened about 4 times since I’ve been here,” said Mark Simmons.

Mark Simmons has lived in his home near Weldon Spring Road for 20 years.

“You get heavy rain and it’s so fast and it will blow your mind because it will take 30 to 40 minutes and that whole thing will be filled up on a good heavy rain,” said Simmons.

The rain flooded half of his backyard because of the nearby Schote Creek.

“I don’t have any kids, all of my kids are grown so I don’t have to worry about a kid drowning out there, but for other people it can be a problem,” said Simmons.

On Friday, the O’Fallon Police Department posted a warning about the moving water on the roadway, ultimately blocking off the road and the only entrance into the Valley Brook Subdivision.

Mark Fusch, with the National Weather Service in St. Louis, tells First Alert 4, people driving through water is one of the concerns with flash flooding.

“We hear about, unfortunately, way too often, are people knowing there may be water on a road, but they don’t know how deep it is. Oh, I have to get to this place; I’m late already. When there’s water and you don’t know how deep the water is, turn around, don’t drown,” said Fucsh.

“I’d hate to see a car get pulled over and somebody drown over there,” said Mark Simmons.