A couple of strong storms are possible on Friday afternoon and evening from southwest Oklahoma into mid Missouri, including a couple of supercells that could produce 1.5" hail and 60 mph wind gusts.
Moisture has been scoured by recent cold fronts progressing through the Central U.S. and this will be a limiting factor on Friday afternoon. Still, steep lapse rates and just-enough moisture ahead of an approaching cold front should provide enough juice and lift to ignite a couple of stronger storms, and strong jet stream flow with straight hodographs beneath a short-wave rounding the base of the larger Great Lakes low should help organize the storms and give them some longevity into the evening. A couple of supercells are possible producing severe hail and damaging wind gusts, but tornadoes shouldn't be especially likely, not should flash flooding given the isolated nature of storms on Friday.
These moisture-starved clipper systems will be the theme over the next 7-10 days bringing periodic low-end severe weather chances to portions of the Plains and Midwest. A push toward a more significant run of severe weather events and a more active storm track is being monitored in late May.