Natural Disaster Risk in Rockville

Natural Hazard Profile: Rockville, Missouri

Rockville, in St. Clair County, is a small unincorporated community situated in the interior eastern United States. Its humid continental climate brings hot summers, cold winters, and collision of multiple air masses, and in particular year-round severe weather including tornadoes, ice storms, and floods. These conditions collectively define the natural hazard environment that Rockville residents and property owners must navigate.

According to FEMA's National Risk Index, Rockville carries an overall risk score of 5.4/10, placing it in the moderate category. Drought is the leading natural hazard, with multi-year dry periods capable of depleting water supplies, devastating agriculture, and increasing wildfire risk across the region. The area also faces notable exposure to ice storm and winter.

Within Missouri, Rockville's risk is, slightly below the 5.9/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of St. Clair County identifies drought as the foremost hazard, followed by ice storm and winter. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Rockville residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for drought is recommended.