Rapid City, SD

Local storm history & FEMA National Risk Index data

Population: 79,894 · Part of Pennington County

Rapid City is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Pennington County, SD. The county's highest-rated hazards are wildfire, hail, and winter weather.

Storm events near Rapid City

NOAA-recorded tornado, hail, and flood events within 25 miles of Rapid City's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Rapid City itself, not the whole county.

Tornado 2 events
Hail 853 events
Inland Flooding 39 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Pennington County's FEMA National Risk Index scores, covering Rapid City along with the rest of the county, not a Rapid City-specific figure.

Hazard NRI score Rating
Wildfire 97.2 Relatively Moderate
Inland Flooding 75.6 Relatively Moderate
Coastal Flooding Not Applicable
Earthquake 56.9 Very Low
Heat Wave 59.6 Relatively Low
Tornado 61 Relatively Low
Avalanche 6.4 Very Low
Cold Wave 85.7 Relatively Moderate
Drought 25.6 Very Low
Hail 96.9 Relatively High
Hurricane Not Applicable
Ice Storm 82.6 Relatively High
Landslide 84.8 Relatively Low
Lightning 91.2 Relatively High
Strong Wind 30.4 Relatively Low
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 94.6 Relatively High

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Pennington County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Pennington County:

More on Pennington County:

Frequently asked questions

What natural hazards is Rapid City, SD at risk of?

Rapid City is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Pennington County, where Rapid City is located, are wildfire, hail, and winter weather.

What is Rapid City's biggest natural hazard risk?

Wildfire is the highest-rated hazard for Pennington County, where Rapid City is located, scoring 97.2 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").

Is Rapid City a high-risk area for natural disasters?

No — Rapid City carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Pennington County.

Has Rapid City had tornadoes, hail, or flooding?

NOAA has recorded 2 tornado, 853 hail, 39 inland flooding events within 25 miles of Rapid City since 2016.