Blog · October 14, 2026 · Wyoming
Hot Springs County Flood Zone Map (Wyoming)
Look up any Hot Springs County address on FEMA's flood map, read the zone, and match it to the parcel record for land around Kirby.
Main page: Hot Springs County, WY GIS & Parcel Viewer (official map link, Hot Springs County facts and neighboring maps).
Platbookmapper is an Amazon Associate. If you buy through an Amazon link on this page, we earn a commission. The link is a product, not the county map.
Is that lot in Thermopolis in a flood zone? The Hot Springs County flood zone map answer comes from FEMA, and it is free to look up. For any tract in Hot Springs County, Wyoming, the answer affects insurance, permits and resale.
Next: FEMA's search tool, the zone labels you'll see for Hot Springs County, and how the parcel record confirms which tract you're on.
How to use the Hot Springs County flood zone map
Start at the FEMA Flood Map Service Center and enter the property address in Kirby or anywhere else in the county. Download the FIRM panel FEMA lists as effective for that part of Hot Springs County. If the PDF panel for Hot Springs County is hard to read, the National Flood Hazard Layer viewer is easier to use, which shows how much of a Hot Springs County parcel sits inside the zone. Switch to the Hot Springs County parcel viewer and track down the same tract around Thermopolis. Match the Hot Springs County lines and acreage to the FEMA view, since flood maps don't draw property lines in detail.
Opening the Hot Springs County parcel viewer
The county's own public map is the Hot Springs County parcel viewer, and it opens without an account for parcels in East Thermopolis and the rest of the county. Use the search box for an address in East Thermopolis or a parcel number, or simply zoom in and click a tract around Kirby. Our Hot Springs County, WY page keeps the official link and the maps next door to Kirby in one place.
Reading the zones on a Hot Springs County flood map
Any Hot Springs County parcel shaded as Zone A, AE, AH or AO sits in what FEMA calls a Special Flood Hazard Area, defined by a 1-percent annual chance of being flooded. Zone AE near Thermopolis means FEMA published a base flood elevation; plain Zone A means no detailed elevation was studied. Shaded Zone X around Kirby falls between the base flood and the 500-year flood. Unshaded Zone X near Thermopolis is minimal risk.
Waterfront parcels near Thermopolis
Parcels touching Wind River Canyon, Owl Creek Mountains and Wind River Indian Reservation deserve a FEMA check before anything else in Hot Springs County. On many tracts near Kirby, the zone covers the low ground by the water while the homesite near the road is outside it. A low spot on a Hot Springs County tract outside any mapped zone, so treat an unmapped channel as a reason to ask questions, not proof the ground stays dry.
Deeds and plats behind the Hot Springs County map
Deeds and plats behind the Hot Springs County map are kept by the county's recording office; the official Hot Springs County website names which office that is. A deed book and page or instrument number on the county record is the fastest way to order the document for a lot in East Thermopolis.
Near the Hot Springs County line
Hot Springs County borders Fremont County, Park County, and Washakie County, and each keeps its own parcel map and records. Our Wyoming page links each map neighboring Hot Springs County.
The lay of the land around Thermopolis
From Thermopolis, the seat of the county, the map spreads out to East Thermopolis and Kirby. Smaller places such as Lucerne, Owl Creek, and Grass Creek appear on the county map as little clusters of lots. Census Bureau estimates put Hot Springs County at about 4,661 residents in 2023 on about 2,004 square miles of land. Outside Kirby, most of the county map is farm, ranch or timber ground with large, irregular tracts. With a founding date of 1911, Hot Springs County has long chains of title on some rural tracts.
What a flood zone means for a Hot Springs County buyer
Insurance is the practical stake for a Hot Springs County buyer. When a county home is mapped in a high-risk zone and is financed by a regulated or federally insured lender, federal rules call for flood insurance, provided the community near Kirby takes part in the National Flood Insurance Program. Outside the A zones around Thermopolis, coverage is optional; pricing a policy for land near Thermopolis is still worth a call. If a building near Thermopolis sits above the flood line, the landowner can ask FEMA for a Letter of Map Amendment (LOMA), usually backed by an elevation certificate from a surveyor who works in the county. Adding on to a house near Thermopolis inside the zone usually needs a floodplain permit; the county floodplain administrator can say what applies.
Hot Springs County flood zones questions
How can I check a Hot Springs County, WY flood zone?
Look it up at FEMA's Flood Map Service Center, then match the parcel lines in the county parcel viewer; for land near Thermopolis, a zone starting with A or V is high risk.
Where do I get an elevation certificate in Hot Springs County?
Hire a licensed surveyor or engineer who works in Hot Springs County; ask the local floodplain office first in case one exists.
Is there a floodplain layer in the Hot Springs County parcel viewer?
Look for a flood or floodplain layer in the Hot Springs County viewer, then verify the zone with FEMA.
My lot in Kirby shows Zone AE. What does that mean?
For a Hot Springs County parcel, Zone AE means a Special Flood Hazard Area with a 1-percent annual chance of flooding and a published base flood elevation.
My house near Thermopolis is in Zone X. Is insurance required?
Not under federal rules; Zone X in Hot Springs County is outside the Special Flood Hazard Area, though a lender can still require coverage.
Open the official Hot Springs County, WY parcel map Hot Springs County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.