WUCN11 CWTO 180721 YELLOW WARNING - SEVERE THUNDERSTORM FOR SOUTHERN ONTARIO ENDED BY ENVIRONMENT CANADA AT 3:21 A.M. EDT MONDAY 18 MAY 2026. --------------------------------------------------------------------- YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR: LINDSAY - SOUTHERN KAWARTHA LAKES PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY. --------------------------------------------------------------------- ==DISCUSSION== SEVERE THUNDERSTORMS ASSOCIATED WITH THIS ALERT HAVE WEAKENED OR MOVED OUT OF THE AREA. HTTP://WEATHER.GC.CA END/OSPC