Rockwall, Texas: natural disaster risk
How exposed Rockwall is to floods, storms and other hazards, from FEMA and NOAA records for Rockwall County.
Rockwall is a city of 51,168 people in Rockwall County, Texas. FEMA's National Risk Index rates Rockwall County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are tornado, inland flooding and heat wave, with about $46.4 million in expected losses a year across the county. The weather service has logged 231 storm reports in the county since 1958, including 18 tornadoes and 29 floods. NOAA hurricane records show 0 hurricanes and 4 tropical storms passing within 65 miles of the county's center. About 0.5% of homes in the county carry federal flood insurance.
Risk figures are for Rockwall County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Rockwall
Full Rockwall County report ›- Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
- Turn on emergency alerts on your phone and keep a weather radio.
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Check that cooling works before summer.
- Know where the nearest cooling center is.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Tornado | $16M | |
| Inland flooding | $15M | |
| Heat wave | $5M | |
| Cold wave | $4M | |
| Hail | $4M | |
| Strong wind | $2M | |
| Earthquake | $301K | |
| Lightning | $238K | |
| Wildfire | $211K | |
| Ice storm | $165K | |
| Drought | $67K | |
| Winter weather | $52K |
Homes in Rockwall
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Rockwall County
More cities in Rockwall County
Common questions about Rockwall
Is Rockwall safe from natural disasters?
Rockwall is in Rockwall County, which FEMA's National Risk Index rates relatively low overall, lower than most of the US. The biggest hazards are tornado, inland flooding, heat wave. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Rockwall?
By expected yearly losses in Rockwall County, the top hazards are tornado (High), inland flooding (Low), heat wave (Moderate). Rockwall County has been part of 14 federal disaster or emergency declarations for natural events.
Does Rockwall get tornadoes?
Yes. NOAA records list 18 tornadoes in Rockwall County since 1950; the strongest was an EF3 tornado on April 3, 2012 near Blackland. FEMA rates tornado risk in the county high.
Do I need flood insurance in Rockwall?
Standard home insurance does not cover floods. In Rockwall County, about 0.5% of homes have federal flood insurance, and FEMA rates inland flooding risk low. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.