CENTRAL UNITED STATES — Monday, April 27, 2026 brings a significant severe weather risk across a wide corridor of the central United States, with strong tornadoes and widespread damaging winds both considered likely across portions of Missouri, Illinois, Arkansas, and Tennessee, and possible across a broader surrounding region.
Severe Weather Likely Across the Core Zone
The Day 4 SPC outlook updated April 24 identifies two distinct risk zones for Monday:
Severe weather likely (orange zone) — the highest confidence area covers a corridor stretching from Kansas City and Columbia through St. Louis, Cape Girardeau, Memphis, and Little Rock, extending north through Champaign and into the Quad Cities. Within this zone, organized severe storms are considered likely, not just possible.
Severe weather possible (yellow zone) — a broader surrounding area includes Des Moines, Springfield, Evansville, Louisville, Clarksville, and Madison, where scattered severe storms remain a real threat through the day.
Primary Threats for Monday
- Strong tornadoes — explicitly highlighted as a key threat for the day
- Widespread damaging winds — expected across the likely zone and beyond
- Large hail — possible with organized supercell storms ahead of the main line
Cities Directly in the Risk Zone
Risk Level Key Cities…