Intolerance of uncertainty can impede nursing students’ ability to effectively manage uncertain and chaotic situations, such as disasters. The aim of this study was to examine nursing students’ intolerance of uncertainty and their psychological preparedness for disasters. This cross-sectional and descriptive study was conducted between July and September 2024 with 164 students from the Department of Nursing, Faculty of Health Sciences. Data were collected using the Sociodemographic Data Collection Form, the Intolerance of Uncertainty Scale-12 (IUS-12), and the Psychological Preparedness for Disaster Threat Scale (PPDTS-21). IUS score was 37.32 ± 8.62, and the average PPDTS score was 54.87 ± 11.61. The findings revealed a significant relationship between IU and PPDT, with notable differences based on various sociodemographic factors, particularly regarding prior disaster experience. Assessing intolerance of uncertainty and psychological preparedness in future nurses is valuable, and future studies should be experimental, incorporating psychosocial training to strengthen individuals.
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