A combination of extreme heat and severe thunderstorms is forecast for Sunday. The weather is expected to be particularly dangerous due to the sudden and unexpected nature of the storms. Authorities are warning residents to prepare for rapidly changing conditions. The heatwave is contributing to the instability in the atmosphere, increasing the risk of intense localized downpours and strong winds. These conditions could lead to localized flooding and potential damage. Residents are advised to stay informed about weather updates and take necessary precautions. The situation is evolving, and further warnings may be issued.