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Post Falls, Idaho: natural disaster risk

How exposed Post Falls is to floods, storms and other hazards, from FEMA and NOAA records for Kootenai County.

Relatively Low overall risk
43,391people
Inland floodingtop hazard
16federal declarations, Kootenai County
2tornadoes in the county since 1950
Photo: U.S. Geological Survey, public domain

Post Falls is a city of 43,391 people in Kootenai County, Idaho. FEMA's National Risk Index rates Kootenai County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are inland flooding, cold wave and heat wave, with about $45.4 million in expected losses a year across the county. The weather service has logged 127 storm reports in the county since 1968, including 2 tornadoes and 36 floods. About 0.3% of homes in the county carry federal flood insurance.

Risk figures are for Kootenai County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.

Top risks in Post Falls

Full Kootenai County report ›
$31.8 million a year in the county
  • 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.

Cold wave

Moderate
$7.1 million a year in the county
  • Insulate pipes in outside walls, crawl spaces and garages.
  • Know how to shut off the main water valve.

Heat wave

Moderate
$2 million a year in the county
  • Check that cooling works before summer.
  • Know where the nearest cooling center is.

All hazards

HazardRatingA year
Inland floodingModerate$32M
Cold waveModerate$7M
Heat waveModerate$2M
EarthquakeLow$2M
Ice stormHigh$634K
Winter weatherHigh$571K
Strong windLow$449K
WildfireLow$438K
TornadoVery Low$318K
LandslideModerate$171K
LightningLow$97K
HailVery Low$68K

Homes in Post Falls

Median home value$477,400
Kootenai County median$518,700
Median year built2005
Built before 198016%
Mobile homes4.4%

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 Kootenai County

1997F2 near Athol
1994F0

Common questions about Post Falls

Is Post Falls safe from natural disasters?

Post Falls is in Kootenai County, which FEMA's National Risk Index rates relatively low overall, lower 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 Post Falls?

By expected yearly losses in Kootenai County, the top hazards are inland flooding (Moderate), cold wave (Moderate), heat wave (Moderate). Kootenai County has been part of 16 federal disaster or emergency declarations for natural events.

Does Post Falls get tornadoes?

Yes. NOAA records list 2 tornadoes in Kootenai County since 1950; the strongest was an F2 tornado on May 31, 1997 near Athol. FEMA rates tornado risk in the county very low.

Do I need flood insurance in Post Falls?

Standard home insurance does not cover floods. In Kootenai County, about 0.3% 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.