NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Seymour, MO
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
4 tropical systems have passed within 75 miles of Seymour, Missouri since 1851, 0 of them at hurricane strength; the most recent was Ike in 2008. Since 1950, 113 tornadoes have touched down within 25 miles, 4 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 4
- Tornadoes
- 113
- EF3 or stronger
- 4
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
5 deaths in all
What the records show for Seymour
None of the 4 tropical systems was at hurricane strength as it passed Seymour; the strongest was Ike in 2008, a tropical storm with 44 mph winds when its centre passed 47 miles away. The record near Seymour begins with an unnamed storm in 1902; the most recent system was Ike in 2008. Of the 4 systems, one has come since 2000. Seymour has more tropical storms and hurricanes within 75 miles than 81% of the 334 Missouri cities on this site. The highest rating among the 113 tornadoes within 25 miles is F4, reached 2 times; the most recent, on November 29, 1991, came within 24 miles. The deadliest, an EF3 on January 7, 2008, killed 3 people. Of the 113, 9 had paths within 5 miles of the city centre, and 75 have come since 2000. May has had the most tornadoes, 33. The most recent tornado was on June 3, 2025. Seymour has more tornadoes within 25 miles than 65% of the 334 Missouri cities. Hail has been reported within 10 miles 80 times since 1984, with stones up to 4.25 inches. Of the 334 Missouri cities, 65% have more hail reports within 10 miles than Seymour.
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Tropical storms and hurricanes near Seymour
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2008 | IkeSep 14 | 47 mi | Tropical storm (44 mph) | Category 4 |
| 1961 | CarlaSep 13 | 18 mi | Tropical storm (39 mph) | Category 4 |
| 1923 | Unnamed 1923 stormOct 17 | 63 mi | Tropical storm (41 mph) | Category 1 |
| 1902 | Unnamed 1902 stormJun 28 | 2 mi | Tropical storm (40 mph) | Category 1 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Seymour: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Seymour
By decade
- 2020s14
- 2010s32
- 2000s29(2 EF3+)
- 1990s13(1 EF3+)
- 1980s5
- 1970s6
- 1960s9
- 1950s5(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Nov 29, 1991 | F4 | 24 mi | 10 mi | 2 / 64 |
| Sep 26, 1959 | F4 | 15 mi | 7.8 mi | 0 / 0 |
| Jan 7, 2008 | EF3 | 19 mi | 50.39 mi | 3 / 18 |
| Mar 12, 2006 | F3 | 8 mi | 32 mi | 0 / 0 |
| Apr 30, 2019 | EF2 | 17 mi | 10.28 mi | 0 / 3 |
| Apr 13, 2018 | EF2 | 17 mi | 9 mi | 0 / 0 |
| May 8, 2009 | EF2 | 15 mi | 2.48 mi | 0 / 0 |
| May 8, 2009 | EF2 | 15 mi | 2.3 mi | 0 / 0 |
| Jan 7, 2008 | EF2 | 15 mi | 8.6 mi | 0 / 0 |
| Jan 7, 2008 | EF2 | 17 mi | 6.69 mi | 0 / 0 |
| Mar 12, 2006 | F2 | 9 mi | 7 mi | 0 / 13 |
| May 20, 1990 | F2 | 9 mi | 12 mi | 0 / 9 |
The strongest 12 of 113, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Seymour
The Storm Prediction Center has 80 hail reports within 10 miles of Seymour since 1984, made on 58 separate days. Of these, 59 were 1 inch across or larger, and 6 reached 2 inches. The largest, 4.25 inches, fell on September 22, 2006. The most recent report is from March 14, 2025. April has the most reports, 32.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Seymour
The nearest NOAA station with 1991–2020 climate normals is Mansfield, MO, 12 miles east of Seymour at 1,448 feet. July is the warmest, with an average high of 88°F and low of 67°F; January is the coolest, at 42°F and 21°F. May is the wettest at 5.5 inches of precipitation on average and January the driest at 2.7 inches; the year adds up to 47.3 inches over 71 days with at least a tenth of an inch. Highs reach 90°F on about 28 days a year, almost all from June to September. Lows fall below freezing on about 105 nights a year. Snowfall averages 7.7 inches a year, most of it in January. That 47.3 inches is more than at 110 of the 134 Missouri stations used on this site (82%). Fordland, 9 miles west, has its own station (Marshfield 4 WSW, MO): 45.7 inches a year, 1.6 less than here, and the same July average high, 88°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 42 | 21 | 2.7 | 4 | 2.2 |
| Feb | 47 | 25 | 2.8 | 5 | 2.1 |
| Mar | 56 | 34 | 4.3 | 7 | 1.9 |
| Apr | 66 | 44 | 5.4 | 6 | 0.0 |
| May | 75 | 54 | 5.5 | 8 | 0.0 |
| Jun | 83 | 63 | 4.2 | 7 | 0.0 |
| Jul | 88 | 67 | 4.4 | 6 | 0.0 |
| Aug | 87 | 66 | 3.4 | 6 | 0.0 |
| Sep | 80 | 57 | 4.1 | 5 | 0.0 |
| Oct | 69 | 46 | 3.6 | 6 | 0.0 |
| Nov | 56 | 35 | 4.0 | 6 | 0.0 |
| Dec | 45 | 26 | 2.9 | 5 | 1.5 |
| Year | 66 | 45 | 47.3 | 71 | 7.7 |
Averages for 1991–2020 at Mansfield, MO (1,448 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Seymour
Since 1996, the National Weather Service has logged 208 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Seymour: 88 thunderstorm wind reports, 60 flash floods, 45 floods, 14 heavy rain events and 1 lightning strike. They killed 2 people and injured 0, and the NWS estimated $5.1 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on April 24, 2007. May has had the most flash floods, 15 of 60. Of the 334 Missouri cities on this site with a flash flood on record, 281 have had fewer than Seymour.
June 26, 2015: lightning strike 2 miles from the centre of Seymour — 1 killed, $5,000 damage.
NWS: “A man died after being hit by lightning near Seymour. Two horses were also killed by the lightning strike.”
March 23, 2023: flash flood 8 miles from the centre of Seymour — 1 killed.
July 7, 2015: flash flood 8 miles from the centre of Seymour — $3.0 million damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Webster County, which includes Seymour, has been named in 33 federal disaster or emergency declarations since 1973, 26 of them major disasters (by incident: 20 severe storms, 5 floods, 4 ice storms, 2 biological emergencies). The latest major disaster declaration was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, on August 3, 2026. FEMA's National Risk Index gives Webster County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, strong wind, lightning and heat waves; Relatively Low for hail and inland flooding; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $16.9 million a year, the 51st highest of 115 Missouri counties; of the hazards above, the largest share, $6.5 million (38%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Seymour
- Fordland, MO9 mi
- Mansfield, MO12 mi
- Marshfield, MO14 mi
- Rogersville, MO16 mi
- Niangua, MO18 mi
- Ava, MO18 mi
- Hartville, MO18 mi
- Sparta, MO19 mi
- Strafford, MO20 mi
- Norwood, MO21 mi
- Conway, MO23 mi
- Ozark, MO25 mi
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