EF1 tornado in St. Charles County, Missouri

The second tornado associated with the small vortex developed along the South Service Road of Interstate 70 west of South Pointe Prairie Road. The tornado crossed Interstate 70 and causing roof and siding damage to a number of homes and uprooted or snapped trees along its path as it moved east across Langtree Drive, Shadow Point Circle, Shadow Point Drive, Giotto Court, Cabot Court, Tiffany Lynn Court, Huntsdale Drive, Tiger Drive and Ivybrook Drive. The tornado once again approached Interstate 70 causing damage to several businesses along W Pierce Blvd. The tornado crossed the interstate, flipping over a large camper trailer along Thomas RV Way and flattening several road signs. The tornado tracked east paralleling Interstate 70, causing varying degrees of damage to buildings along Swantherville Drive and Ruggeri Drive. The tornado then caused significant roof damage to a building along P&A Drywall Drive before crossing Interstate 70 for the third and final time. The tornado continued east into a mobile home park where it flipped one trailer over and damaged many more. This is where the three minor injuries occurred. The tornado continued east northeast just to the south of West Main Street through downtown Wentzville causing mainly minor damage to many residences and businesses. The exception was a lumber business along South Church Street which took the brunt of the tornado and had a large building destroyed. The tornado finally dissipated near the intersection of E. Pitman Avenue and S. Tally Street. Overall, the tornado was rated EF1 with a path length of 3.15 miles and a max path width of 100 yards.

As a cold front moved across the region, a squall line developed and moved rapidly east across the forecast area. There were numerous reports of damaging winds, large hail and 8 tornadoes.