Large hail will be possible as severe thunderstorms move through the Kansas City area, according to the Natioanl Weather Service’s Storm Predicition Center. The weather service said there is a potential for hail the size baseballs, or even larger, for several hours after sunset.

Confidence has increased in the development of isolated strong to severe storms this evening for those north of the I-70 corridor between 5 p.m. to 12 a.m.

A warm, humid air mass is setting the stage for two rounds of strong to severe thunderstorms Monday evening into early Tuesday morning across northwest Missouri and northeast Kansas.

Millions in the Upper Midwest face the possibility of a severe thunderstorm outbreak Monday—the start of several days of extreme weather threats across the country this week.

Animated weather footage highlights the areas most at risk for large hail, damaging winds and strong tornados on Monday night.