Enter any address in Park County, Wyoming to see its FEMA flood zone
Flash flooding events have been the most frequent type of flood recorded in Park County, Wyoming over the last 30 years, with 15 such occurrences. This is followed by 12 recorded flood events. A notable flood event occurred on June 12-13, 2022, when a stationary front combined with an atmospheric river brought extended periods of moderate to heavy rain. This followed a cool and wet spring with above-normal precipitation.
National Flood Insurance Program (NFIP) data shows that properties in Zone A have experienced more claims and higher average payouts than those in Zone X. Zone A properties had 11 claims with an average payout of $18,563 and an average water depth of 6.0 feet. Zone X properties had 5 claims with an average payout of $7,938 and an average water depth of 0.2 feet.
Residents in Zone A, particularly those located near waterways, should pay close attention to flood risk information. Homeowners in Zone X may also be subject to flood damage, as indicated by the claims data.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
12 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Park County, Wyoming has recorded 27 flood-related events since 1996 according to NOAA's Storm Events Database, including 15 flash floods and 12 river or area floods. The county has received 4 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1978–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Jun 7, 2017 |
| Severe Storms, Flooding & Mudslides | Flood | May 29, 1978 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 24, 2022 | 20.00K |
| Flood | Jun 13, 2022 | 0.00K |
| Flood | Jun 12, 2022 | 0.00K |
| Flood | Jun 12, 2022 | 25.00M |
| Flash Flood | Jul 14, 2019 | 0.00K |
| Flash Flood | May 22, 2018 | 0.00K |
| Flood | Jun 22, 2017 | 0.00K |
| Flood | Jun 17, 2017 | 0.00K |
| Flood | Jun 8, 2017 | 20.00K |
| Flash Flood | May 15, 2015 | 10.00K |
Flash Flood — Aug 24, 2022
A series of thunderstorms dropped heavy rain over steep terrain about 6 to 10 miles east of the East Entrance to Yellowstone National Park. Flash flooding brought mud and dead tree debris down area streams and creeks, causing impacts to local roads and US Hwy 14 (North Fork Highway).
Flood — Jun 13, 2022
On the weekend of June 11th and 12th, a stationary front set up across northwestern Wyoming. On June 12th into June 13th an atmospheric river fed moisture into a powerful jet steam along the front and brought an extended period of moderate rain along with occasional heavy rain due to embedded thunderstorms. ||Preceding this event, April and May were cool and wet, with above normal precipitation...
Flood — Jun 12, 2022
On the weekend of June 11th and 12th, a stationary front set up across northwestern Wyoming. On June 12th into June 13th an atmospheric river fed moisture into a powerful jet steam along the front and brought an extended period of moderate rain along with occasional heavy rain due to embedded thunderstorms. ||Preceding this event, April and May were cool and wet, with above normal precipitation...
Flash Flood — Jul 14, 2019
Slow moving thunderstorms brought an average of three quarters of an inch of rain in only 20 minutes along with large amounts of small hail on the late afternoon of July 14th. There were many instances of street flooding around Powell, Wyoming with many businesses, houses and the animal shelter flooded. Local water cleanup companies reported 50 calls for water cleanup, especially for flooded b...
Flash Flood — May 22, 2018
Low pressure moved northward into Wyoming with copious amounts of moisture. This spawned thunderstorms that brought heavy rain to many areas. Along Highway 120 to the south of Meeteetse, the fire department reported a foot of water across the road for a time.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Park County, Wyoming:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Park County, Wyoming that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.