NWS Storm Prediction Center Norman OK
0459 PM CDT Mon Aug 24 2026
AREAS AFFECTED...Parts of central South Dakota
CONCERNING...Severe potential...Watch possible
VALID 242159Z - 242330Z
PROBABILITY OF WATCH ISSUANCE...60 percent
SUMMARY...The area is being monitored for an increasing risk of
large hail and SEVERE WIND GUSTS. It is unclear if a watch is
needed, though trends are being monitored.
DISCUSSION...An isolated thunderstorm is evolving along the surface
trough/wind shift in central SD, with additional agitated
boundary-layer cumulus nearby. Steep midlevel lapse rates atop an
increasingly unstable PBL is yielding moderate ....... more