Enter any address in Linn County, Kansas to see its FEMA flood zone
Flash flooding from thunderstorms dominates the flood character of Linn County. Between 1993 and 2023, NOAA Storm Events data recorded 54 flood events, including 18 instances of flash flooding. For example, on April 30, 2019, thunderstorms caused flooding on area roads following a wet month. Another event on July 27, 2017, saw storms train over the region for several hours, leading to extreme flash flooding in some areas.
While most flood insurance claims in Linn County have been in Zone X, indicating areas with reduced flood risk, one claim averaged a payout of $9,184 with an average water depth of 0.0 ft. Homeowners in areas near rivers and streams, as well as those in low-lying areas, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
1 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Linn County, Kansas has recorded 54 flood-related events since 1996 according to NOAA's Storm Events Database, including 18 flash floods and 36 river or area floods. The county has received 19 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1967–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Apr 25, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Tornadoes And Flooding | Severe Storm | May 9, 2019 |
| Severe Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and Mudslides | Severe Storm | Apr 28, 2019 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jul 22, 2013 |
| Severe Winter Storms And Snowstorm | Severe Storm | Dec 22, 2009 |
| Severe Storms And Flooding | Severe Storm | Jul 8, 2009 |
| Severe Storms, Flooding, Straight-line Winds, And Tornadoes | Severe Storm | Apr 25, 2009 |
| Severe Storms, Flooding And Tornadoes | Severe Storm | May 22, 2008 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Apr 30, 2019 | 0.00K |
| Flash Flood | Jul 27, 2017 | 0.00K |
| Flash Flood | Jul 2, 2015 | 0.00K |
| Flash Flood | May 31, 2013 | 0.00K |
| Flash Flood | Aug 9, 2013 | 0.00K |
| Flash Flood | Jun 1, 2011 | 0.00K |
| Flood | Mar 18, 2008 | 0.00K |
| Flood | Jun 2, 2008 | 0.00K |
| Flash Flood | Jun 30, 2007 | 0.00K |
| Flash Flood | Jul 30, 2007 | 0.00K |
Flood — Apr 30, 2019
After a relatively wet month, another round of thunderstorms moved into the region, causing some flooding on area roads.
Flash Flood — Jul 27, 2017
On the evening of July 26, a line of thunderstorms formed roughly along the Interstate 70 corridor. The orientation of these storms were such that they trained over Kansas City and surrounding areas for several hours, causing some extreme flash flooding. Some of the heaviest rain hit some of the most vulnerable parts of the city, namely Indian Creek near the Kansas and Missouri state line. in t...
Flash Flood — Jul 2, 2015
Thunderstorms initially developed on the Missouri side of the Kansas City Metropolitan area. As the whole area of storms shifted south during the evening hours, storms became severe in east central Kansas producing damaging winds and flash flooding in Linn County.
Flash Flood — May 31, 2013
A weak boundary, combined with a warm and humid airmass, led to a severe thunderstorm, that produced damaging winds and flash flooding, across Linn County, during the late afternoon hours of May 31, 2013.
Flash Flood — Aug 9, 2013
Thunderstorms with very heavy rains were observed across east central Kansas, during the early morning hours of August 9, 2013.
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 Linn County, Kansas:
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 Linn County, Kansas 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.