NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Missouri Valley, IA
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
No tropical storm or hurricane has passed within 75 miles of Missouri Valley, Iowa since records began in 1851. Since 1950, 113 tornadoes have touched down within 25 miles, 13 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 113
- EF3 or stronger
- 13
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
10 deaths in all
What the records show for Missouri Valley
The highest rating among the 113 tornadoes within 25 miles is F4 or EF4, reached 3 times; the most recent, on April 26, 2024, came within 6 miles. The deadliest, an EF3 on June 11, 2008, killed 4 people. Of the 113, 11 had paths within 5 miles of the city centre, and 58 have come since 2000. June has had the most tornadoes, 34. The most recent tornado was on April 17, 2025. Of the 241 Iowa cities on this site, 69% have more tornadoes within 25 miles than Missouri Valley. Hail has been reported within 10 miles 121 times since 1960, with stones up to 4.5 inches (grapefruit size). Missouri Valley has more hail reports within 10 miles than 70% of the 241 Iowa cities.
Compare Missouri Valley's storm record with another city →
Tornadoes within 25 miles of Missouri Valley
By decade
- 2020s22(5 EF3+)
- 2010s18
- 2000s18(1 EF3+)
- 1990s15(3 EF3+)
- 1980s15(1 EF3+)
- 1970s11(2 EF3+)
- 1960s7(1 EF3+)
- 1950s7
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 6, 1975 | F4 | 20 mi | 8 mi | 3 / 133 |
| Apr 26, 2024 | EF4 | 6 mi | 31.89 mi | 0 / 4 |
| Jun 26, 1976 | F4 | 18 mi | 5.1 mi | 0 / 6 |
| Jun 11, 2008 | EF3 | 20 mi | 12.96 mi | 4 / 48 |
| May 16, 1999 | F3 | 4 mi | 7.5 mi | 2 / 16 |
| Apr 26, 2024 | EF3 | 20 mi | 40.27 mi | 1 / 3 |
| Apr 17, 2025 | EF3 | 10 mi | 8.12 mi | 0 / 0 |
| Apr 26, 2024 | EF3 | 20 mi | 13.31 mi | 0 / 0 |
| Apr 26, 2024 | EF3 | 8 mi | 19.06 mi | 0 / 0 |
| May 16, 1999 | F3 | 5 mi | 6.2 mi | 0 / 0 |
| Jun 16, 1992 | F3 | 8 mi | 26 mi | 0 / 3 |
| Jul 15, 1988 | F3 | 20 mi | 2.8 mi | 0 / 34 |
The strongest 12 of 113, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Missouri Valley
The Storm Prediction Center has 121 hail reports within 10 miles of Missouri Valley since 1960, made on 80 separate days. Of these, 83 were 1 inch across or larger, and 8 reached 2 inches. The largest, 4.5 inches (grapefruit size), fell on June 3, 2014. The most recent report is from June 25, 2024. June has the most reports, 30.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Missouri Valley
The nearest NOAA station with 1991–2020 climate normals is Logan, IA, 8 miles northeast of Missouri Valley at 990 feet. July is the warmest, with an average high of 86°F and low of 64°F; January is the coolest, at 31°F and 10°F. June is the wettest at 5.2 inches of precipitation on average and January the driest at 0.7 inches; the year adds up to 34.5 inches over 60 days with at least a tenth of an inch. Highs reach 90°F on about 24 days a year, almost all from May to September. Lows fall below freezing on about 154 nights a year. Snowfall averages 28.7 inches a year, most of it in January. That 34.5 inches is more than at 29 of the 124 Iowa stations used on this site (23%). Fort Calhoun, NE, 9 miles southwest, has its own station (Omaha Eppley Airfield, NE): 32.1 inches a year, 2.4 less than here, and a July average high of 88°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 10 | 0.7 | 2 | 7.9 |
| Feb | 36 | 14 | 1.0 | 3 | 6.4 |
| Mar | 49 | 26 | 1.8 | 5 | 4.1 |
| Apr | 62 | 36 | 3.4 | 7 | 0.9 |
| May | 73 | 49 | 5.0 | 8 | 0.0 |
| Jun | 82 | 60 | 5.2 | 7 | 0.0 |
| Jul | 86 | 64 | 4.1 | 6 | 0.0 |
| Aug | 84 | 61 | 4.3 | 6 | 0.0 |
| Sep | 78 | 51 | 3.5 | 5 | 0.0 |
| Oct | 65 | 38 | 2.6 | 5 | 0.6 |
| Nov | 49 | 25 | 1.5 | 3 | 2.2 |
| Dec | 35 | 15 | 1.4 | 3 | 6.6 |
| Year | 61 | 38 | 34.5 | 60 | 28.7 |
Averages for 1991–2020 at Logan, IA (990 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 Missouri Valley
Since 1996, the National Weather Service has logged 100 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Missouri Valley: 77 thunderstorm wind reports, 17 floods, 4 heavy rain events and 2 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $25.0 million in property and crop damage. The strongest thunderstorm gust on record here was 107 mph, on May 24, 2024.
May 5, 2007: flash flood in Missouri Valley — $15.0 million damage.
NWS: “Rainfall of 5 inches fell across the Missouri Valley area Saturday May 5th prompting the levee along Willow Creek to eventually fail causing substantial flash flooding in and around the Missouri Valley area.”
August 1, 2011: flood 7 miles from the centre of Missouri Valley — $5.0 million damage.
July 1, 2011: flood 8 miles from the centre of Missouri Valley — $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
Flood insurance policyholders in Missouri Valley's ZIP code 51555 have filed 173 claims with the National Flood Insurance Program since 1979, and were paid $3.3 million for buildings and contents, in the dollars of each year. The most came from Midwest Flooding in 1993: 43 claims (25% of all) and $384,000, then March 2019 Midwest Flooding in 2019 with 19 and Late spring storms in 2011 with 15. The year with the most claims was 2007, with 70. 45% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 91 Iowa cities on this site with 10 or more claims, 73 have fewer than Missouri Valley.
| Event | Claims | Paid |
|---|---|---|
| Midwest Flooding1993 | 43 | $384,000 |
| March 2019 Midwest Flooding2019 | 19 | $829,000 |
| Late spring storms2011 | 15 | $467,000 |
Harrison County, which includes Missouri Valley, has been named in 24 federal disaster or emergency declarations since 1965, 21 of them major disasters (by incident: 9 floods, 9 severe storms, 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Severe Winter Storm, on May 21, 2025. FEMA's National Risk Index gives Harrison County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hail and strong wind; Relatively Low for tornadoes and inland flooding; Very Low for lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $9.8 million a year, the 78th highest of 99 Iowa counties; of the hazards above, the largest share, $4.2 million (43%), 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.