MISSOURI AND ILLINOIS — A low end severe weather chance is in play across eastern Missouri and western Illinois on Sunday evening, May 3, 2026, as a weak atmospheric wave kicks off some elevated storm development through the 6 PM to midnight window. The threat is not a major setup by any measure, but a Level 1 five percent hail and wind potential exists across the outlined zone covering Kansas City, Columbia, Jefferson City, St. Louis, Quincy, and Springfield Illinois. Small pocket change hail and gusty winds are the primary hazards to monitor through the Sunday evening hours.
Low End Hail and Wind Threat Covers Eastern Missouri and Western Illinois This Evening
The Level 1 five percent risk zone covers a broad swath of eastern Missouri and western Illinois, with the risk area stretching from near Kansas City in the west through Columbia, Jefferson City, and St. Louis before extending into Quincy and Springfield Illinois on the eastern side. A weak wave moving through the region is providing just enough lift and instability to support some elevated storm development during the evening hours…