City risk score
Historical exposure snapshot
Keystone, SD
41
/ 100
Moderate
City snapshot
Keystone, SD
Overall moderate risk (41/100)
Overall score
41/100
moderate
Powered by NOAA, NHC, FEMA, USGS, and NSSL data. Updated every 5–40 minutes in the full product. Demo content only — not for official warning decisions.
Protect your home before the next storm
Turn today’s risk into a checklist for your home.
Historical Risk factors
Historical hazards around Keystone
Flooding
44
/ 100
FEMA NFHL flood zones: 4 features intersect this tile.
Wind / Roof
19
/ 100
Wind exposure derived from ingested design wind / climatology tiles.
Lightning
27
/ 100
Lightning exposure derived from ingested climatology tiles.
Wildfire
69
/ 100
Wildfire exposure derived from ingested fire potential tiles.
Tornado
7
/ 100
Tornado risk derived from NOAA SPC historical reports.
Hail
100
/ 100
Hail risk derived from NOAA SPC historical reports.
Learn the risk in Keystone
Flood zones 101: how to read FEMA maps
Decode NFHL zones, base flood elevation, and where the boundary lines matter most.
Wind speed and roof damage
See how 60-120 mph gusts translate into shingle loss, window risk, and outages.
Storm surge vs flooding
Understand how coastal surge differs from inland rainfall flooding.
Check the risk for your city
Search by city or ZIP to see today's home risk snapshot.
RiskIQ network
Related risk context for Keystone, SD
These links focus on the most relevant connected risk topics for this location.