The dynamic storm from Friday through Sunday had earned an unusual “high risk” designation from weather forecasters.

In some extreme cases, thunderstorms can spawn a derecho, a long-lived windstorm with gusts over 100 mph, strong enough to cause widespread destruction. If a severe thunderstorm warning mentions damaging winds or a derecho, take cover immediately—just as you would for a tornado.

Several states throughout the Midwest and South reported tornadoes overnight, with widespread damage and multiple fatalities reported in Missouri. KSDK's Megan Kernan and Travis Cummings report on the latest damage.

A severe storm on Monday swept through the U.S. Southeast and Mid-Atlantic, bringing thunderstorms, hail, damaging winds and the potential for tornadoes. Days earlier, the same ferocious weather system spawned violent twisters,

Foreboding predictions of dangerous weekend weather came true as a dynamic storm spawned tornadoes, dust storms and wildfires that killed more than three dozen people.

Tornadoes killed at least 33 people across several states in the U.S. Midwest and Southeast on Saturday night, CNN reported. Missouri reported 12 fatalities spanning five counties, the state's highway patrol posted on X.

The most fatalities were in Missouri. Forecasters warned that tornadoes, hail and violent winds continue to threaten states in the Deep South, from Louisiana to Georgia.