Enter any address in Dewey County, Oklahoma to see its FEMA flood zone
Dewey County, Oklahoma has recorded 10 flood-related events since 1996 according to NOAA's Storm Events Database, including 8 flash floods and 2 river or area floods. The county has received 35 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Jumping Juniper Fire | Fire | Mar 22, 2026 |
| 840 Road Fire | Fire | Mar 14, 2025 |
| Severe Winter Storm | Severe Ice Storm | Feb 8, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 8, 2021 |
| Severe Winter Storm | Severe Ice Storm | Oct 26, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | May 7, 2019 |
| Rhea Fire Complex | Fire | Apr 11, 2018 |
| Wildfires | Fire | Apr 11, 2018 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Sep 12, 2019 | 0.00K |
| Flash Flood | Sep 12, 2008 | 0.00K |
| Flash Flood | Sep 11, 2008 | 0.00K |
| Flash Flood | Sep 8, 2007 | 0.00K |
| Flash Flood | Aug 30, 2004 | — |
| Flood | Jul 1, 2004 | — |
| Flood | Oct 3, 2002 | — |
| Flash Flood | Oct 31, 1998 | — |
| Flash Flood | Nov 1, 1998 | — |
Flash Flood — Sep 12, 2019
A slow moving cold front brought numerous storms with severe wind gusts on the 12th.
Flash Flood — Sep 12, 2008
A prolonged area of southwest flow aloft developed over much of Oklahoma during the period from the 10th through the 12th. Numerous upper level disturbances moving through the flow, as well as a very moist air mass allowed for several rounds of showers and thunderstorms to develop and move northeast, much of the time moving over the same areas. Moisture associated with the remnants of Tropical ...
Flash Flood — Sep 11, 2008
A prolonged area of southwest flow aloft developed over much of Oklahoma during the period from the 10th through the 12th. Numerous upper level disturbances moving through the flow, as well as a very moist air mass allowed for several rounds of showers and thunderstorms to develop and move northeast, much of the time moving over the same areas. Moisture associated with the remnants of Tropical ...
Flash Flood — Sep 8, 2007
An upper level disturbance approached Oklahoma from the Texas panhandle during the afternoon and evening hours of the 7th. A stationary front was located over northwest Oklahoma and extended down into parts of the Texas panhandle. A stationary outflow boundary from previous convection was located near Interstate 44, with yet another smaller outflow boundary located a hundred miles to the south....
Flood — Oct 3, 2002
Two days of periodic heavy rain fell across much of northwest Oklahoma with some areas receiving nearly seven inches. Large amounts of runoff caused many rivers to rise above flood stage, including the Salt Fork Arkansas River at Tonkawa, the Chikaskia River near Braman and Blackwell, the Cimarron River near Waynoka, Okeene, and Dover, and the North Canadian River near Seiling. Most river flood...
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Dewey County, Oklahoma:
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 Dewey County, Oklahoma 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.