Enter any address in Lamar County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Lamar County. Between 2024 and 2025, events like the flash flooding observed with training storms on March 14, 2024, and the heavy rain and associated flooding on January 30, 2025, highlight this pattern.
Over the past 30 years, NOAA Storm Events data shows 43 flash flood events compared to 5 general flood events. FEMA National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the most claims, with an average payout of $17,684 and an average water depth of 1.5 feet. However, properties in Zone X have seen higher average payouts of $28,605, with an average water depth of 13.7 feet, suggesting that even areas outside of high-risk zones can experience significant flooding.
Homeowners in Zone A, as well as those in Zone X who have experienced deeper water, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
12 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Lamar County, Texas has recorded 48 flood-related events since 1996 according to NOAA's Storm Events Database, including 43 flash floods and 5 river or area floods. The county has received 24 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1966–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Flood | Apr 26, 2024 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, And Flooding | Flood | Mar 7, 2016 |
| Severe Storms, Tornadoes, Straight-line Winds And Flooding | Severe Storm | May 4, 2015 |
| Wildfires | Fire | Apr 6, 2011 |
| Hurricane Ike | Hurricane | Sep 7, 2008 |
| Wildfires | Fire | Mar 14, 2008 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jan 30, 2025 | 4.00K |
| Flash Flood | Apr 5, 2025 | 200.00K |
| Flash Flood | Mar 14, 2024 | 0.00K |
| Flash Flood | Jun 19, 2019 | 10.00K |
| Flash Flood | Jun 19, 2019 | 7.00K |
| Flash Flood | Apr 17, 2017 | 0.00K |
| Flash Flood | Jul 3, 2017 | 0.00K |
| Flood | May 9, 2016 | 0.00K |
| Flash Flood | May 9, 2016 | 30.00K |
| Flash Flood | May 9, 2016 | 0.00K |
Flash Flood — Jan 30, 2025
A slow moving upper low generated multiple rounds of rain, some heavy, the night of January 29 into the morning of January 30 across North Texas. Much of the heavy rain and associated flooding occurred in and near the DFW Metroplex.
Flash Flood — Apr 5, 2025
Multiple rounds of showers and storms occurred as a cold front moved through North Texas and stalled in East/Central Texas. These storms produced large hail, damaging winds, a tornado, lightning related damage, and flash flooding. The largest hail stone fell in Eastland County on the 3rd, with a diameter of 2.5 inches. A EF-0 tornado was found to have occurred in Van Zandt County on the 4th.
Flash Flood — Mar 14, 2024
Scattered storms formed ahead of a dryline and cold front on the afternoon and night of March 14th, producing hail near and east of I-35 and north of I-20. 3 inch hail was reported west of Roanoke. Wind damage was reported in Collin County. A tornado briefly touched down just north of Frisco Thursday evening. Flash flooding was also observed with heavier training storms in Lamar County.
Flash Flood — Jun 19, 2019
A hot and unstable airmass assisted in the formation of strong to severe thunderstorms as a cold front worked its way south of the Red River on the afternoon and evening of Wednesday June 19. The primary severe occurrence was large hail, followed by damaging winds and flash flooding as storms moved southeast into the overnight hours. A significant downburst caused significant damage in the town...
Flash Flood — Apr 17, 2017
Showers and thunderstorms dumped locally heavy rain and caused flash flooding in some areas as an upper level disturbance moved across the region. The heaviest rain occurred primarily across the Red River counties.
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 Lamar County, Texas:
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 Lamar County, Texas 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.