Enter any address in Shiawassee County, Michigan to see its FEMA flood zone
Flooding events, including flash floods, have occurred in Shiawassee County. Recent events include heavy rainfall causing flooding on February 20, 2018, and severe storms on May 4, 2012, which led to stranded vehicles and water rescues.
National Flood Insurance Program data indicates that properties in Zone A have experienced 22 claims with an average payout of $1,128 and an average water depth of 5.0 feet. Properties in Zone X have had 5 claims with an average payout of $4,119 and an average water depth of 6.4 feet, while Zone X_UNSHADED saw 2 claims with an average water depth of 10.0 feet. Homeowners in areas designated as Zone A, Zone X, and Zone X_UNSHADED should pay particular 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.
Shiawassee County, Michigan has recorded 15 flood-related events since 1996 according to NOAA's Storm Events Database, including 3 flash floods and 12 river or area floods. The county has received 14 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 (1965–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | May 20, 2004 |
| Snow | Snowstorm | Dec 11, 2000 |
| Severe Storms | Severe Storm | May 29, 1998 |
| Severe Storms & Flooding | Flood | Sep 10, 1986 |
| Severe Storms And Flooding | Flood | Sep 5, 1985 |
| Blizzards & Snowstorms | Snowstorm | Jan 27, 1978 |
| Snowstorms | Snowstorm | Feb 5, 1977 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jan 11, 2020 | 0.00K |
| Flood | Feb 20, 2018 | 0.00K |
| Flood | May 4, 2012 | 0.00K |
| Flash Flood | May 4, 2012 | 1.10M |
| Flash Flood | Jun 19, 2009 | 0.00K |
| Flood | Sep 14, 2008 | 50.00K |
| Flash Flood | Jun 27, 2007 | 1.00K |
| Flood | Jan 13, 2005 | — |
| Flood | May 23, 2004 | — |
| Flood | May 22, 2004 | — |
Flood — Jan 11, 2020
A winter storm tracking through southeast Michigan brought heavy rain and freezing rain, with about a quarter of an inch ice from US-10 south to about M-57. Many accidents and spin outs occurred across the Tri-Cities region and Flint vicinity due to the icy roads. In addition, strong northeast winds lead to high water levels and large waves causing significant lakeshore flooding and erosion alo...
Flood — Feb 20, 2018
A series of disturbances traveling along a slow-moving frontal boundary to the west of Southeast Michigan brought repeated rounds of heavy rainfall to the region over a 48 hour period. As the main low pressure system moved northeastward from the Central Plains to the Upper Peninsula of Michigan on Tuesday, February 20, record high moisture content for February standards moved into Southeast Mic...
Flood — May 4, 2012
A few severe storms developed, mainly north of M-59 during the late afternoon and evening hours. Training of showers and thunderstorms then dumped half a foot of rain on the Flint area, stranding cars on roadways and forcing the boat evacuation of some residents.
Flash Flood — May 4, 2012
A few severe storms developed, mainly north of M-59 during the late afternoon and evening hours. Training of showers and thunderstorms then dumped half a foot of rain on the Flint area, stranding cars on roadways and forcing the boat evacuation of some residents.
Flash Flood — Jun 19, 2009
A low pressure system tracked through central lower Michigan, triggering widespread showers and thunderstorms. A very moist environement helped produce 1 to 4 inches of rain in a very short period of time (2 hrs or less) across most areas between I-94 and I-69. This lead to flash flooding in parts of several 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 Shiawassee County, Michigan:
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 Shiawassee County, Michigan 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.