South Dakota Ranks Among Top States for Natural Hazards

A new analysis identifies the state as a leader for hail, floods, and various storm-related events.

Updated on Oct. 26, 2026 in Severe Weather

Bold flat-color editorial illustration depicting a stark prairie landscape under a massive, turbulent storm cloud, representing South Dakota's extreme weather risk. — South Dakota ranks among the top five states nationwide across 10 categories of natural hazards, including hail, floods, and severe thunderstorm winds. AI Illustration. Upload story photo >

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South Dakota ranks within the top five states nationwide across 10 different categories of natural hazards. The findings highlight the state's significant exposure to severe weather, including frequent hail and wind events.

Why it matters

Understanding these rankings helps illustrate the high frequency of extreme weather events that residents and infrastructure in South Dakota consistently face. This data provides a baseline for evaluating regional risk profiles against national averages.

Researchers tracked over 4,500 hail incidents over a 25-year study period. The state averages 174 hail events and 116 thunderstorm wind events annually.

The details

The study incorporated historical weather data provided by the National Oceanic and Atmospheric Administration, NASA, and the U.S. Geological Survey. South Dakota holds the top national ranking for hail, floods, flash floods, and thunderstorm winds, while also ranking highly for tornadoes, lightning strikes, and winter storms.

The study analyzed weather records covering the period from 2005 through 2025.

Seasonal Patterns

This study utilizes climate data from the National Oceanic and Atmospheric Administration to map risk trends. By compiling 25 years of records, it contextualizes how South Dakota's hazard frequency compares to historical averages established by federal agencies.

Residents should review local safety protocols for high-frequency events like hail and flash floods. Staying informed through verified weather monitoring services is essential for navigating the state's frequent severe storm patterns.

The takeaway

South Dakota faces a distinct concentration of natural hazards that necessitate ongoing preparedness from both the public and local agencies. Recognizing these high-frequency trends allows for better long-term risk management and infrastructure planning.