Enter any address in Lewis County, Idaho to see its FEMA flood zone
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Lewis County, Idaho has recorded 4 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 11 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 |
|---|---|---|
| Severe Storm, Flooding, Landslides, And Mudslides | Flood | Apr 14, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Apr 7, 2019 |
| Clearwater Lawyer Branch Fire Complex | Fire | Aug 10, 2015 |
| Severe Storms And Flooding | Severe Storm | Jun 2, 2010 |
| Hurricane Katrina | Hurricane | Aug 29, 2005 |
| Wildfires | Fire | Jul 27, 2000 |
| Severe Storms And Flooding | Severe Storm | Feb 6, 1996 |
| Forest Fires | Fire | Aug 30, 1967 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Dec 26, 2022 | 1.00K |
| Flood | Jun 12, 2022 | 2.00K |
| Flood | Apr 9, 2019 | 100.00K |
| Flood | Apr 2, 2011 | 0.00K |
Flood — Dec 26, 2022
Rain amounts near an inch and melting snow caused flooding issues in the area including Paradise Creek in Moscow.
Flood — Jun 12, 2022
Another trough system brought a round of slow moving stratiform slow moving showers. With the abundant amount of precipitation from earlier in the month, the streams and creeks were already near bank full. The additional 1 inch of precipitation starting to create problems for low lying areas in the Southeast WA and Lower ID Panhandle.
Flood — Apr 9, 2019
Beginning on April 6th and continuing through April 10th a series of Pacific atmospheric rivers were directed into Oregon, southeast Washington and central Idaho saturating the ground with heavy rainfall. During this 4 day period the COOP station at Kamiah reported 1.86 inches of rain, Elk River reported 2.94 inches of rain, Moscow 3.44 inches, Nez Perce 2.05 inches, Potlatch 2.46 inches, Dwors...
Flood — Apr 2, 2011
A stationary trough of low pressure off the Pacific Northwest Coast steered a deep fetch of subtropical moisture into the Idaho Panhandle which persisted from the end of March through April 7th bringing several rounds of heavy rain. Mild temperatures and breezy winds accompanying the subtropical moisture feed resulted in excessive mid-elevation snowmelt. The combination of heavy rainfall and e...
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Lewis County, Idaho:
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 Lewis County, Idaho 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.