Enter any address in Weber County, Utah to see its FEMA flood zone
River overflow due to snowmelt is the dominant flood character in Weber County. Recent events illustrate this, including a fatality in the Weber River in May 2023 and a washout of State Route 39 in Ogden Canyon in May 2023, both linked to elevated flows from record snowpack. Earlier, in February 2017, heavy rainfall and snowmelt caused flooding across northern Utah, and in May 2017, rapid snowmelt along the South Fork of the Ogden River led to flooding.
National Flood Insurance Program data shows that properties in Zone A have experienced the most claims, with an average payout of $3,517 and an average water depth of 6.0 feet. Zone X also shows significant claims activity, averaging $5,394 in payouts and 3.6 feet of water depth. Homeowners in areas mapped as Zone A or Zone X, particularly those located near rivers or in lower-lying areas, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
3 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Weber County, Utah has recorded 18 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 14 river or area floods. The county has received 11 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Straight-line Winds | Severe Storm | Sep 7, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Uintah Fire | Fire | Sep 5, 2017 |
| Flooding | Flood | Apr 18, 2011 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Causey Fire 07/14/2003 | Fire | Jul 14, 2003 |
| Heavy Rains, Snowmelt & Flooding | Flood | Feb 12, 1986 |
| Severe Storms, Mudslides, Landslides & Flooding | Flood | Aug 17, 1984 |
| Severe Storms, Landslides & Flooding | Flood | Apr 13, 1983 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | May 11, 2023 | 14.00K |
| Flood | May 1, 2023 | 0.00K (1 deaths) |
| Flood | Feb 7, 2017 | 100.00K |
| Flood | May 6, 2017 | 20.00K |
| Flood | Jan 21, 2012 | 80.00K |
| Flood | Jan 19, 2012 | 50.00K |
| Flood | May 25, 2011 | 10.00K |
| Flood | May 22, 2011 | 550.00K |
| Flood | Apr 18, 2011 | 20.00K |
| Flood | Mar 16, 2011 | 100.00K |
Flood — May 11, 2023
High flows on the Ogden River associated with snowmelt from the record winter resulted in a portion of state Route 39 in Ogden Canyon being washed out.
Flood — May 1, 2023
Spring runoff from the prior winter's record snowpack resulted in elevated flows through area rivers, and in early May, resulted in a fatality as an adult woman fell into the Weber River.
Flood — Feb 7, 2017
Heavy rainfall and significant snowmelt through the month of February combined to produce flooding in multiple locations across far northern Utah.
Flood — May 6, 2017
Warming temperatures in the first half of May led to rapid snowmelt, causing flooding along the South Fork of the Ogden River.
Flood — Jan 21, 2012
A potent Pacific storm system moved through Utah on January 21st and 22nd. Gusty winds were observed both ahead of and behind the strong cold front. Flooding, again due to heavy rain on top of frozen ground, was observed in the Wasatch mountain valleys. Heavy snowfall was also observed in the higher elevations across much of Utah, as well as the benches of the northern Wasatch Front behind the ...
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 Weber County, Utah:
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 Weber County, Utah 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.