Enter any address in Grant County, Washington to see its FEMA flood zone
3 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Grant County, Washington has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 8 flash floods and 4 river or area floods. The county has received 12 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 (1977–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Baird Springs Fire | Fire | Jul 10, 2023 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Grass Valley Fire | Fire | Aug 11, 2018 |
| Buckshot Fire | Fire | Jul 19, 2018 |
| Severe Winter Storms, Flooding, Landslides, Mudslides | Flood | Jan 30, 2017 |
| Barker Canyon Fire | Fire | Sep 9, 2012 |
| Severe Winter Storm, Landslides, And Mudslides | Severe Storm | Dec 14, 2006 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Severe Winter Storms, Land & Muds Slides,flooding | Severe Storm | Dec 26, 1996 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 27, 2023 | 0.50K |
| Flood | Mar 19, 2019 | 0.50K |
| Flash Flood | May 17, 2018 | 100.00K |
| Flood | Mar 11, 2017 | 50.00K |
| Flash Flood | Sep 5, 2013 | 0.00K |
| Flash Flood | Jul 20, 2012 | 15.00K |
| Flash Flood | Jun 23, 2010 | 0.00K |
| Flash Flood | Jun 6, 2009 | 10.00K |
| Flash Flood | May 4, 2005 | — |
| Flash Flood | Jul 31, 1998 | 40K |
Flash Flood — May 27, 2023
Another Low brought thunderstorms to the region bringing heavy rains and lightning for May 27, 2023.
Flood — Mar 19, 2019
A late march melt off of low elevation snow in and around the Columbia Basin produced localized small stream and low spot field flooding which lead to the temporary closure of some area roads.
Flash Flood — May 17, 2018
Thunderstorms developed over the east slopes of the Cascades and the Columbia Basin in a rich feed of wrap around moisture from an upper low over Oregon during the night of May 17th. These storms dumped a general quarter to half inch of rain over most of the western basin, but individual cells locally produced higher amounts with Ephrata measuring 0.72 inches. Local flash flooding and debris f...
Flood — Mar 11, 2017
The month of March was a very wet period for eastern Washington. The Pullman COOP station reported a monthly total of 5.25 inches of precipitation, 2.75 inches above average for the month. The Spokane airport reported 4.11 inches which was 2.50 inches above average. The Colville COOP station reported 2.98 inches which was 1.86 inches above average and the Wenatchee airport recorded 1.23 inches,...
Flash Flood — Sep 5, 2013
An upper level low pressure system over western Oregon ejected a negatively tilted shortwave trough of lower pressure over the region during the evening hours of September 5th. Precipitable water values were twice the normal value for early September. A line of strong thunderstorms tracked across east-central Washington bringing strong winds and heavy rain. The hardest hit areas were across ...
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, Washington:
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, Washington 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.