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Severe Weather Outbreak Possible In The Plains, Midwest

May 18, 2026 at 07:30 AM EDT
By WeatherBug Meteorologist, Mark Ellinwood
Today's Severe Weather Outlook

A dangerous day is on tap for parts of the Central U.S., especially from northern Oklahoma to Iowa.

A new storm system will develop along a stalled front in the central Plains this afternoon and evening, with the front advancing eastward into the Mississippi Valley tonight. Along and ahead of the front, ample heat and moisture remains in place, ready to fuel thunderstorm development.

Today's severe storms will begin to form in eastern Nebraska and central and eastern Kansas this afternoon, with storms quickly expanding up and down the front this evening into tonight. Because of how strong the developing storm system is expected to be, the Storm Prediction Center has placed Enhanced and Moderate Risks (levels 3 and 4 out of 5) over the center of the country, stretching from northern Oklahoma into central and eastern Kansas, southeastern Nebraska, northwestern Missouri, and central and southern Iowa. This includes Woodward Okla., Wichita and Kansas City, Kan., Omaha, Neb., and Des Moines, Iowa.

Very large hail greater than two inches in diameter, severe gusts, and strong tornadoes are all possible today.

There is a larger Slight Risk (level 2 out of 5) that encompasses activity that occurs during the overnight hours across southern Oklahoma, north-central Texas, central Missouri, Illinois, Wisconsin, Indiana, and Michigan. Storms with gusty winds, hail, and a few tornadoes are possible.

Make sure to know the difference between a watch and a warning should they be issued. A watch means that conditions are favorable for severe weather to occur, and to be on alert for any rapidly changing conditions. A warning means that severe weather is imminent, and you should act fast to remain safe.  

The best way to remain safe is to stay prepared and informed about your local weather. Have a severe weather kit packed with a battery-operated radio, water, and non-perishable food items should you be without power for long periods of time. Also, check the WeatherBug app frequently for any updates on today’s severe weather. Remember, “When Thunder Roars, Go Indoors!”