May 20, 2025
A negatively-tilted upper-level trough extended from the northern Great Plains down into the lower Ohio Valley on May 20th, bringing a strong cold front through the mid-Mississippi and Ohio Valleys. Showers and storms moved across the region along a warm front during the morning hours, limiting heating somewhat; however, a break in the precipitation during the early-to-mid afternoon hours allowed temperatures to warm into the upper 70s and low 80s with dewpoint temperatures in the upper 60s and
Source: NOAA National Weather Service Storm Events Database (event 1267538). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Allen County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.