Caldwell, Idaho: natural disaster risk
How exposed Caldwell is to floods, storms and other hazards, from FEMA and NOAA records for Canyon County.
Caldwell is a city of 66,516 people in Canyon County, Idaho. FEMA's National Risk Index rates Canyon County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are inland flooding, heat wave and wildfire, with about $36.1 million in expected losses a year across the county. The weather service has logged 119 storm reports in the county since 1956, including 6 tornadoes and 10 floods. About 0.4% of homes in the county carry federal flood insurance.
Risk figures are for Canyon County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Caldwell
Full Canyon 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.
- Check that cooling works before summer.
- Know where the nearest cooling center is.
- Clear dry plants and debris within 5 feet of the house.
- Get home insurance quotes early; availability varies by area.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $24M | |
| Heat wave | $3M | |
| Wildfire | $2M | |
| Earthquake | $2M | |
| Winter weather | $1M | |
| Strong wind | $1M | |
| Lightning | $1M | |
| Cold wave | $414K | |
| Ice storm | $323K | |
| Tornado | $300K | |
| Hail | $273K | |
| Drought | $6K |
Homes in Caldwell
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 Canyon County
More cities in Canyon County
Common questions about Caldwell
Is Caldwell safe from natural disasters?
Caldwell is in Canyon County, which FEMA's National Risk Index rates relatively low overall, lower than most of the US. The biggest hazards are inland flooding, heat wave, wildfire. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Caldwell?
By expected yearly losses in Canyon County, the top hazards are inland flooding (Moderate), heat wave (Moderate), wildfire (Moderate). Canyon County has been part of 2 federal disaster or emergency declarations for natural events.
Does Caldwell get tornadoes?
Yes. NOAA records list 6 tornadoes in Canyon County since 1950; the strongest was an F1 tornado on May 17, 1996 near Parma. FEMA rates tornado risk in the county very low.
Do I need flood insurance in Caldwell?
Standard home insurance does not cover floods. In Canyon County, about 0.4% of homes have federal flood insurance, and FEMA rates inland flooding risk moderate. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.