Webster County, MO Environment & Hazard Risk
Relatively Low natural hazard risk, led by ice storm. 930 storm events since 1996.
- Expected yearly loss
- $16.9M
- Relatively Low nationally
- Storm events since 1996
- 930
- Most often thunderstorm wind
- Flood insurance policies
- 9
- 0.1% of homes
- Hurricanes nearby
- 0
- 1 tropical storm or stronger since 1902
Natural hazard risk
FEMA National Risk Index, December 2025
Overall risk
Relatively Low
Score 44.6 of 100
Social vulnerability
Very Low
Score 17.6 of 100
Community resilience
Relatively Low
Score 29.7 of 100
Community resilience runs the other way: a higher rating means a community can recover faster.
Building value exposed: $7.1B · Agriculture value exposed: $70.1M · Risk-adjusted yearly loss: $14.7M
Risk by hazard
- Ice stormRelatively High$861K/yr expected annual loss, about 1.4 events a year
- Heat waveRelatively Moderate$2M/yr expected annual loss, about 12 events a year
- Strong windRelatively Moderate$1.6M/yr expected annual loss, about 5.3 events a year
- EarthquakeRelatively Low$967K/yr expected annual loss, about once every 392 years
- WildfireRelatively Low$198K/yr expected annual loss, about once every 426 years
- Winter weatherRelatively Moderate$144K/yr expected annual loss, about 12 events a year
- LightningRelatively Moderate$524K/yr expected annual loss, about 57 events a year
- TornadoRelatively Moderate$2.6M/yr expected annual loss, about once every 2 years
- Cold waveRelatively Low$1.1M/yr expected annual loss, about 2.4 events a year
- LandslideVery Low$1,524/yr expected annual loss, about once every 2 years
- HailRelatively Low$280K/yr expected annual loss, about 6.8 events a year
- DroughtRelatively Low$73.6K/yr expected annual loss, about 3.3 events a year
- HurricaneVery Low$9,941/yr expected annual loss, about once every 87 years
Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: avalanche, coastal flooding, riverine flooding, tsunami, volcanic activity.
Flood risk and insurance
National Flood Insurance Program and FEMA flood maps
Check the flood zone for an address
- Homes with flood insurance
- 9 of 16,829 (0.1%)
- Homes in high-risk flood zones
- 78
- Insured in high-risk zones
- 1 (1%)
- Flood claims since 1978
- 13
- Claims paid since 1978
- $341K
Flood claims paid per year
- Hurricane Ike$77.1K · 2 claims
- March storm$28.1K · 1 claim
Storm history
Since 1996: 930 events, 5 deaths, $139M in damage
- Thunderstorm Wind250
- Hail218
- Flash Flood176 · 2 deaths
- Flood93
- Drought33
- Heavy Rain33
- Winter Storm32
- Tornado29 · 2 deaths
- Winter Weather18 · 1 death
- Ice Storm11
Events per year
42 tornadoes on record (EF0 11, EF1 8, EF2 1, EF3 1, F0 7, F1 7, F2 6, F3 1).
Most damaging storms
Since 1996, ranked by deaths, injuries and damage
- Hail2" hail04/28/2026
Elkland, Webster County
$65.6M damage
What happened
A hail swath from a mile to 2 miles wide began south of Elkland and continued to the northeast across northern Webster County. Hail from quarters to hen eggs in size fell along a path from south of Elkland to west of Rader and south of Conway as a left moving supercell moved to the northeast across the County. Along the storms path, numerous homes, vehicles, businesses, equipment, crops, livestock and other structures were damaged by hail before the storm passed into southwestern Laclede County.
- TornadoEF3, 20.63 mi path, 300 yd wide01/08/2008
Caddo, Webster County
2 deaths, 6 injured, $10M damage
What happened
This tornado is an extension of the Greene County tornado. A National Weather Service storm survey revealed that an EF-3 tornado tracked across northern Webster County and into southern Laclede County. Numerous homes and outbuildings were destroyed. Six injuries and two fatalities occurred in rural areas north of Marshfield.
- Winter Weather02/04/2018
Webster
1 death, 13 injured
What happened
Snow and Ice covered roads lead to a multiple vehicle accident on Interstate 44, 6 miles east of Marshfield. This lead to a number of injuries and 1 fatality. One inch of snow was reported 2 miles northeast of Northview in Webster county at 17:35 local standard time.
- TornadoF2, 7 mi path, 150 yd wide03/13/2006
Fordland, Webster County
13 injured, $700K damage
What happened
This tornado was spawned from the same cyclic supercell that produced a tornado across Lawrence, Christian, and Greene counties. A large tornado touched down northwest of Fordland and lifted approximately 7 miles north of Diggins in rural central Webster County. While this initial tornado was dissipating, a second tornado was in the process of forming, eventually touching down six miles north of Diggins, and tracking into Wright County. The two tornadoes were responsible for 13 injuries while damaging 48 structures and destroying 17.
- Hail3" hail05/26/2024
Marshfield, Webster County
$12.5M damage
What happened
Hail sizes between 2 to 4 inches were reported across areas that included Marshfield. 300 homes at an average of $32,000 suffered damages to siding, roofs and windows, and 350 cars were damaged, including many in commercial car lots that had their windows broken. Commercial properties were also impacted, with Marshfield Pizza Hut for example had skylight windows broken. This estimated damage summary includes reports from other locations in the Marshfield area during this event.
- Flash Flood02/17/2008
Cross Way, Webster County
1 death, $250K damage
What happened
Numerous roads and low lying areas experienced flash flooding countywide. One fatality occurred as a 46 year old male drove his truck into the Finley River at a low water crossing southeast of Fordland. The river swept his truck off of the road. Other locations that experienced flooding in Webster County included a section of Clearwater Drive at Acorn Hills, a section of Battleclub Road at Normady Road, a section of Highway A north of its intersection with Elm Road, a section of Highway V at its intersection with the James River, a section of Highway FF at its intersection with Panther Creek, a section of Bell Springs Road near its intersection with Dry Creek, a section near the Bellford Bridge north of Fordland, and a section of Greenwood Road near Fordland.
Drinking water
12 community water systems serve about 17,732 people. Violations since 2021.
3 systems had health-based violations, such as a contaminant over the legal limit or a missed treatment step. 5 systems had a violation of any kind still open at last report.
- Marshfield PwsServes 7,425 · Groundwater · Local governmentNo health violations+1 monitoring or reporting
- Rogersville PwsServes 5,602 · Groundwater · Local government1 health violation+4 monitoring or reporting
- Seymour PwsServes 1,943 · Groundwater · Local governmentNo health violations+1 monitoring or reporting
- Ozark Correctional CenterServes 900 · Groundwater · StateNo health violations+10 monitoring or reporting
- Fordland PwsServes 800 · Groundwater · Local governmentNo health violations+1 monitoring or reporting
- Niangua PwsServes 411 · Groundwater · Local government1 health violation+9 monitoring or reporting
- Diggins PwsServes 300 · Groundwater · Local governmentNo health violations+3 monitoring or reporting
- Fountain Plaza MhpServes 186 · Groundwater · PrivateNo health violations+10 monitoring or reporting
Largest systems by population served. Monitoring and reporting violations mean required tests or notices were late or missing, not that the water was unsafe.
Pollution sites
0 Superfund sites and 3 toxic release facilities in Webster County
Superfund sites
None in this county.
Toxic release facilities
- Tyler Coupling11,586 lbs released, Marshfield
- Hutchens Industries Inc105 lbs released, Seymour
- Architectural Components Group Inc.24.5 lbs released, Marshfield
Total: 11,716 lbs in 2024, 100 lbs to air.
Superfund sitesToxic release facilitiesEPA inspections and enforcementAir toxics cancer risk3 historic places
Frequently asked questions
- How risky is Webster County for natural disasters?
- FEMA rates Webster County relatively low for overall natural hazard risk, with expected losses of $16.9M a year. The highest-rated hazards are ice storm (relatively high), heat wave (relatively moderate), strong wind (relatively moderate).
- What storms are most common in Webster County?
- Since 1996, NOAA recorded 930 storm events affecting Webster County, most often thunderstorm wind (250), hail (218), flash flood (176).
- How many tornadoes have hit Webster County?
- 42 tornadoes have been recorded in Webster County since 1950, including 2 rated F3/EF3 or stronger.
- How many homes in Webster County have flood insurance?
- 9 residential flood insurance policies are in force in Webster County, covering about 0.1% of homes. The program has paid $341K on 13 claims here since 1978.
- What is the weather like in Webster County?
- At Marshfield 4 Wsw, average highs reach 88°F in Jul and lows fall to 22°F in Jan, with 45.7 inches of rain a year (1991-2020 normals).
Source: FEMA (National Risk Index, NFIP), NOAA (Storm Events, HURDAT2, Climate Normals), EPA · Last updated 08/01/2026 · Storm counts include events in forecast zones that touch the county. This product uses the FEMA OpenFEMA API, but is not endorsed by FEMA.