Natural Disaster Risk in Pettis County

Natural Hazard Profile: Pettis County, Missouri

Pettis County is located in the United States in Missouri, home to roughly 42,939 residents. The county experiences hot summers, cold winters, and collision of multiple air masses, with year-round severe weather including tornadoes, ice storms, and floods shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

According to FEMA's National Risk Index, Pettis County carries an overall risk score of 6.6/10, placing it in the high category. Heat wave risk stands out as the primary natural hazard here, with above-average summer temperatures amplified by urban heat island effects in developed areas. The area also faces notable exposure to tornado and cold wave.

Pettis County's risk score, slightly above the 5.9/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Pettis County, the highest-scoring are heat, tornado, and cold wave. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a high natural disaster risk rating, Pettis County residents benefit from taking preparedness seriously. Reviewing insurance coverage for heat and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.