Tornado-spawning storms threaten central U.S. after deadly outbreak
A deadly, tornado-spawning storm system that's pummeled large portions of the country for days was threatening the central U.S. into Tuesday morning.
The big picture: The National Weather Service confirmed at least four tornadoes in Oklahoma and Nebraska, as some 8.7 million people in half a dozen states were under tornado watches on Monday night. Tornado warnings in effect in Arkansas and Missouri.
Lightning galore as storms erupt across the Central U.S. this evening. β‘οΈβ‘οΈβ‘οΈ pic.twitter.com/CMyyfnvs65
β CIRA (@CIRA_CSU) May 20, 2025
- At least 28 deaths have been reported and tens of thousands of lost power since the storms began slamming much of the U.S. last Friday.
- There were notable power outages in Missouri (52,000 customers affected), Arkansas (more than 35,000 customers) and Oklahoma (nearly 29,000 customers) late Monday, per utility tracker poweroutage.us.
Threat level: Severe thunderstorms with "damaging winds and tornadoes" βΒ some that could be strong β were expected across parts of the Mid-South, Tennessee Valley,and lower Ohio River Valley Tuesday, per the NWS.
- "Heavy to excessive rainfall, which may lead to flooding, is expected over the lower Ohio Valley Tuesday," the NWS said.
- The NWS' Storm Prediction Center warned of a moderate risk, or level 4 out of 5 on the threat scale, of severe thunderstorms across much of the southern Plains and into western parts of the Mississippi Valley.
- "All severe weather hazards are likely: large hail, damaging winds, and a few strong tornadoes are possible," the NWS noted in a forecast discussion Monday.
Meanwhile, a moderate risk for excessive rainfall was active across most of northern Arkansas and southern Missouri with a slight risk extending across much of the Mississippi Valley, per the NWS.
- "Storms are expected to expand in coverage and may train. Some locations could see 4-5 inches in the near term through the overnight," the weather agency said.
What we're watching: Kentucky has been among the worst-affected areas from the destructive weather system, with 19 people reported killed in tornado-spawning storms β and the NWS' Louisville office said on X more strong storms were possible overnight, with severe weather set to move through the area Tuesday night.
- This could include "damaging winds, hail, and possibly a few tornadoes," NWS Louisville noted.
Between the lines: Climate change is causing extreme precipitation events to become more frequent in much of the U.S.
- It's been linked to more intense rainstorms across the U.S.
Go deeper: How climate change may be altering tornado outbreaks
Editor's note: This a breaking news story. Please check back for updates.