King of Prussia, Pennsylvania: natural disaster risk
How exposed King of Prussia is to floods, storms and other hazards, from FEMA and NOAA records for Montgomery County.
King of Prussia is a community of 25,857 people in Montgomery County, Pennsylvania. FEMA's National Risk Index rates Montgomery County relatively high for natural hazards overall, higher than most of the US. The costliest hazards there are inland flooding, cold wave and heat wave, with about $297 million in expected losses a year across the county. The weather service has logged 1,145 storm reports in the county since 1956, including 19 tornadoes and 270 floods. NOAA hurricane records show 2 hurricanes and 17 tropical storms passing within 65 miles of the county's center. About 0.9% of homes in the county carry federal flood insurance.
Risk figures are for Montgomery County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in King of Prussia
Full Montgomery County report ›- 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.
- Insulate pipes in outside walls, crawl spaces and garages.
- Know how to shut off the main water valve.
- Check that cooling works before summer.
- Know where the nearest cooling center is.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $193M | |
| Cold wave | $30M | |
| Heat wave | $20M | |
| Tornado | $15M | |
| Earthquake | $14M | |
| Strong wind | $10M | |
| Hurricane | $9M | |
| Winter weather | $3M | |
| Lightning | $756K | |
| Ice storm | $530K | |
| Drought | $367K | |
| Hail | $234K |
Homes in King of Prussia
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 Montgomery County
More cities in Montgomery County
Other cities in Pennsylvania
All ›Common questions about King of Prussia
Is King of Prussia safe from natural disasters?
King of Prussia is in Montgomery County, which FEMA's National Risk Index rates relatively high overall, higher than most of the US. The biggest hazards are inland flooding, cold wave, 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 King of Prussia?
By expected yearly losses in Montgomery County, the top hazards are inland flooding (High), cold wave (High), heat wave (High). Montgomery County has been part of 27 federal disaster or emergency declarations for natural events.
Does King of Prussia get tornadoes?
Yes. NOAA records list 19 tornadoes in Montgomery County since 1950; the strongest was an F3 tornado on July 27, 1994. FEMA rates tornado risk in the county high.
Do I need flood insurance in King of Prussia?
Standard home insurance does not cover floods. In Montgomery County, about 0.9% of homes have federal flood insurance, and FEMA rates inland flooding risk high. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.