Much of the state, including Oklahoma City, Stillwater, Ardmore, and Ada, is expected to experience a moderate risk of tornadoes, which is the second-highest severity. Storms could produce softball-sized hail and wind speeds could top 80 mph,

Oklahoma may see an outbreak of severe storms with a chance of tornadoes and hail on Monday after multiple twisters touched down over the weekend.

Breaking: Sequoya Quinton reports live sighting of a large tornado near Kiowa power plant. Caution advised in the area. Live updates.

The NWS confirmed a tornado struck southwest of Arnett. Residents were warned to take shelter. The agency said "risk for tornadoes and extremely large (3+) inch hail continues north and east of Harmon." Tornado warnings also have been issued for the towns of Sharon and Harmon until 7 p.m. May 18.

At least four tornadoes were confirmed in Oklahoma and Nebraska on Monday evening, according to a preliminary report from the National Weather Service. Thousands of people from Texas to Kentucky cleaned up Monday from severe weather that killed more than ...

Millions of people in the Midwest and Great Plains are in the path of numerous severe thunderstorms expected on Monday. Kansas City is expecting winds up to 50 MPH and half-dollar-sized hail that could damage roofs or cars.

A dangerous tornado threat is unfolding today, as severe storms target major cities like Tulsa, Wichita, Kansas City, Omaha, Little Rock and Dallas, bringing the risk of damaging winds, large hail and strong tornadoes.

Experts say planning before a tornado threatens is key for staying safe. Weather radios, basements and bicycle helmets can all help save lives.