Enter any address in Yolo County, California to see its FEMA flood zone
River overflow along the Sacramento River system is the dominant flood character for Yolo County. Between 2000 and 2020, NOAA Storm Events data recorded 57 flood events and 1 flash flood event. For example, a winter storm in February 2025 brought 1 to 6 inches of rain, causing flooded roads and mudslides in foothill areas. In December 2025, heavy snowfall and strong winds associated with a winter storm led to downed trees and power outages.
National Flood Insurance Program (NFIP) claims data from FEMA shows a variety of flood zones with associated payouts and water depths. Zone A had 206 claims with an average payout of $9,205 and 1.5 feet of water depth. Zone X_UNSHADED had 42 claims, averaging $12,759 and 2.2 feet of water depth. Zone X had 23 claims, with an average payout of $13,675 and 9.0 feet of water depth. Zone X_SHADED had 7 claims with an average payout of $2,675 and 0.0 feet of water depth. Three claims in an UNKNOWN zone averaged $28,807 with 0.3 feet of water depth.
Homeowners in Zone A, Zone X, and Zone X_UNSHADED should pay the most attention to flood risk, as these zones have experienced the highest number of NFIP claims and significant water depths.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
23 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Yolo County, California has recorded 58 flood-related events since 1996 according to NOAA's Storm Events Database, including 1 flash floods and 57 river or area floods. The county has received 22 federal disaster declarations, 7 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storms, Flooding, And Mudslides | Flood | Jan 8, 2023 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Flood | Dec 27, 2022 |
| Lnu Lightning Fire Complex | Fire | Aug 17, 2020 |
| Wildfires | Fire | Aug 14, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Severe Storm | Feb 24, 2019 |
| Severe Winter Storms, Flooding, And Mudslides | Flood | Feb 1, 2017 |
| Severe Winter Storms, Flooding, And Mudslides | Severe Storm | Jan 18, 2017 |
| Wragg Fire | Fire | Jul 22, 2015 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Dec 26, 2025 | 0.00K |
| Flood | Feb 13, 2025 | 0.00K |
| Flood | Dec 24, 2024 | 0.00K |
| Flood | Nov 22, 2024 | 0.00K |
| Flood | Nov 21, 2024 | 0.00K |
| Flood | Feb 19, 2024 | 0.00K |
| Flood | Feb 5, 2024 | 0.00K |
| Flood | Feb 4, 2024 | 0.00K |
| Flood | Mar 21, 2023 | 0.00K |
| Flood | Jan 14, 2023 | 0.00K |
Flood — Dec 26, 2025
A prolonged period of wet weather brought heavy snowfall and strong winds to the Sierra Nevada. Heaviest snowfall was observed from 12/24-12/26 when snow levels came down below the mountain passes. Snowfall measurements over the 12/24-12/26 timeframe were around 2-5 ft per Caltrans, Ski resorts, and UC Berkeley Central Sierra Snow Lab. Southerly wind gusts of 50-80 mph were observed as well acr...
Flood — Feb 13, 2025
A strong winter storm from late February 12th into Friday, February 14th brought heavy snow, rain, and gusty winds. This brought from 1 to 6 inches of rain, with totals of 2 to nearly 4 feet of heavy snow above 4500 feet. Gusty southerly wind gusts of 25 to 50 mph in the Valley, 40 to 60 mph in the mountains and foothills were recorded. Roads were reported to be flooded, as well as covered with...
Flood — Dec 24, 2024
Multiple waves of precipitation brought periods of heavy rain, mountain snow and gusty winds to interior Northern California over the Christmas holiday and through the end of the month. Storm total snow amounts of 10 to 40 inches were measured in the northern Sierra Nevada and southern Cascades from December 24th through 29th that led to periods of chain restrictions along the mountain passes. ...
Flood — Nov 22, 2024
Another weather system brought continued periods of heavy mountain snow with mountain travel delays and chain restrictions, widespread rain with flooding impacts, and gusty winds in the from November 22nd through November 26th.
Flood — Nov 21, 2024
A strong storm system brought heavy mountain snow with mountain travel delays and chain restrictions, widespread rain with flooding impacts, and gusty winds from November 18th through November 21st. There were multiple reports of downed trees and power lines with power outages and flooding. Mountain snow resulted in chain restrictions, travel delays, and closures of major interstates.
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 Yolo County, California:
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 Yolo County, California 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.