Enter any address in Grant County, Oregon to see its FEMA flood zone
1 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Grant County, Oregon has recorded 13 flood-related events since 1996 according to NOAA's Storm Events Database, including 5 flash floods and 8 river or area floods. The county has received 15 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Rail Ridge Fire | Fire | Sep 2, 2024 |
| Battle Mountain Fire Complex | Fire | Jul 21, 2024 |
| Boneyard Fire | Fire | Jul 20, 2024 |
| Falls Fire | Fire | Jul 18, 2024 |
| Wildfires | Fire | Jul 10, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Apr 6, 2019 |
| Canyon Creek Fire Complex | Fire | Aug 14, 2015 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jan 3, 2025 | 0.00K |
| Flood | May 20, 2020 | 0.00K |
| Flood | Apr 8, 2019 | 1.40M |
| Flash Flood | May 25, 2018 | 0.00K |
| Flood | Mar 10, 2014 | 0.00K |
| Flash Flood | Aug 22, 2013 | 0.00K |
| Flood | Jan 16, 2011 | 0.00K |
| Flood | May 15, 2011 | 0.00K |
| Flood | May 15, 2011 | 688.00K |
| Flood | Jun 4, 2010 | 0.00K |
Flood — Jan 3, 2025
Increased runoff and some snowmelt from the higher elevations around the southern John Day Basin resulted in rising river levels on the John Day river between John Day and Prairie City.
Flood — May 20, 2020
Heavy rain with QPF amounts of 2-4 inches across the Blue Mountains, Blue Mountain Foothills, and John Day Highlands produced areal and river flooding on May 20th and ending on May 21st. Most of the flooding was minor.
Flood — Apr 8, 2019
Snow water equivalents near 200% of normal in the Blue Mountains coupled with warm temperatures and near record rainfall totals for April produced significant river flooding across eastern Oregon.
Flash Flood — May 25, 2018
Persistent moist southwest flow continued into the 25th of May. Thunderstorms developed late morning and continued well into the evening. The storms produced locally heavy rain and some flooding. Also some hail occurred with the storms. The hail was mainly small, but did reach to 1 inch in diameter.
Flood — Mar 10, 2014
Heavy rain fell across much of the northern Blue Mountains and Wallowa County throughout the first week of March. March 9th received very heavy rain with snow levels around 6000ft. This allowed for a significant increase in runoff, which lead to a quick rise in rivers for the period. Flooding was reported at the confluence of Five Points Creek and the Grande Ronde River near Hilgard. Field f...
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 Grant County, Oregon:
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 Grant County, Oregon 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.