JOPLIN, MISSOURI — Destructive winds are possible today across the Ozarks and Great Plains, with Wichita, Joplin and Springfield, Missouri falling under a Slight Risk, Level 2 out of 5, according to an outlook updated at 1:53 AM ET Thursday, August 6. A stationary front will combine with strong instability and moderate shear to develop scattered thunderstorms this afternoon and evening, with initial supercells posing a severe wind and hail threat before merging into line segments driven by damaging winds, some potentially exceeding 75 mph.
Slight Risk Zone Centered Between Wichita and Springfield
The Slight Risk zone, shown in yellow and representing the highest threat level on today’s outlook, is centered directly between Joplin and Springfield, Missouri, extending west to include Wichita. This corridor represents where forecasters expect the greatest concentration of destructive, organized severe weather this afternoon and evening.
A broader Marginal Risk, Level 1, surrounds the Slight Risk zone, extending from Hutchinson and Salina, Kansas in the west through Tulsa, Fayetteville and Rogers, Arkansas in the east, capturing a much larger footprint of communities that remain at risk for isolated severe storms even outside the core threat area.
Initial Supercells Give Way to Damaging Line Segments
Forecasters describe today’s setup as beginning with initial supercells, which will pose a severe wind and hail threat as they first develop along the stationary front. As the afternoon progresses, these supercells are expected to merge into line segments, with the primary hazard shifting to damaging winds, some of which could exceed 75 mph, an intensity capable of producing significant structural and tree damage.
This evolution from discrete supercells to a more organized, damaging line is a classic severe weather progression when strong instability and a stationary boundary combine, and it means the threat could intensify as storms consolidate through the evening.
Timing for Thursday, August 6
The outlook is valid for Thursday, August 6, with scattered thunderstorms expected to develop this afternoon and continue into the evening as the stationary front interacts with the unstable airmass. Areas farther east, including St. Louis, Springfield, Illinois and Cape Girardeau, sit outside the highlighted risk zones but remain under a general thunderstorm designation…