Jul 27, 2025
A mid-level wave embedded in the eastern periphery of a developing ridge produced two periods of severe thunderstorms across much of west-central and central MN on Sunday, July 27th. Westerly flow advected in an extremely unstable airmass with favorable amounts of wind shear to support rotating updrafts. Late morning convection occurred across western MN producing quarter size hail and damaging wind gusts across Lac qui Parle and Chippewa Counties. ||The second round of thunderstorms developed
Source: NOAA National Weather Service Storm Events Database (event 1281635). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Stevens County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.