FEMA rates relative winter weather risk for Johnson County as very high and reports FEMA annualized frequency of 2.539 per year for the area.
FEMA summary
FEMA's profile for Johnson County reports FEMA annualized frequency of 2.539 per year for winter weather. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Johnson County.
Winter Weather
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
100.0/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Johnson County. It is not an estimate for a home or address.
City risk summary
For Olathe, FEMA rates winter weather risk for Johnson County as very high, with a relative score of 100.0/100. The next highest relative scores are ice storm at 99.6/100 and lightning at 99.3/100.
Using FEMA data for Johnson County, Olathe is tied #1 among 6 covered Kansas entries for winter weather risk; 2 entries share that score. Overland Park is about 7.2 straight-line miles from the Olathe map point and uses the same FEMA geography.
For homeowners and movers
Preparedness actions
Living in Olathe? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Olathe. All FEMA figures on this page cover Johnson County.
The FEMA figures cover Johnson County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative winter weather risk for Johnson County as very high. Its FEMA annualized frequency is 2.539 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 6 Kansas cities covered by this directory, Olathe is Tied #1 for relative winter weather risk based on FEMA's score for Johnson County. 2 covered cities share this rank because they use the same FEMA geography. Homes within Olathe can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Johnson County, the highest relative ratings are Winter Weather (Very High), Ice Storm (Very High), and Lightning (Very High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Johnson County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Johnson County an overall relative risk rating of relatively moderate. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Winter Weather rating | Relative score |
|---|---|---|---|
| Overland Park, KS | 7 mi | Very High | 100.0 |
| Kansas City, KS | 17 mi | Very High | 99.7 |
| Kansas City, MO | 22 mi | Very High | 99.9 |
| Lee's Summit, MO | 24 mi | Very High | 99.9 |
| Lawrence, KS | 24 mi | Relatively High | 86.3 |
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Hazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.