US Interactive Tornado Risk Map

Historical tornado frequency by state, normalized by land area. Based on NOAA Storm Prediction Center data (1950 to 2025). Click any state to see detailed risk data and preparedness advice.

Risk level: Low

High

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Tornadoes Since 1950

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recorded events

Per Year (avg)

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annual average

Avg EF Rating

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EF0 to EF5 scale

Peak Month

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highest activity

Tornado Risk Index —/10

0 — Minimal 10 — Extreme

Monthly Tornado Activity Pattern

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Click any state on the map to see its tornado risk data and preparedness advice

Tornado Risk Index scores are calculated from NOAA Storm Prediction Center historical data (1950 to 2025), normalized by state land area to produce a density-based risk index on a 0 to 10 scale. For official severe weather forecasts visit weather.gov.