NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Runnells, 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
1 tropical system has passed within 75 miles of Runnells, Iowa since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 174 tornadoes have touched down within 25 miles, 8 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 174
- EF3 or stronger
- 8
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
8 deaths in all
What the records show for Runnells
None of the 1 tropical systems was at hurricane strength as it passed Runnells; the strongest was an unnamed storm in 1900, a tropical storm with 44 mph winds when its centre passed 30 miles away. Runnells is tied for the most tropical storms and hurricanes within 75 miles among the 241 Iowa cities on this site. The highest rating among the 174 tornadoes within 25 miles is F4 or EF4, reached 3 times; the most recent, on March 5, 2022, came within 3 miles. Of the 174, 13 had paths within 5 miles of the city centre, and 93 have come since 2000. May has had the most tornadoes, 54. The most recent tornado was on July 15, 2024. Runnells has more tornadoes within 25 miles than 86% of the 241 Iowa cities. Hail has been reported within 10 miles 114 times since 1973, with stones up to 3.5 inches. Runnells has more hail reports within 10 miles than 66% of the 241 Iowa cities.
Compare Runnells's storm record with another city →
Tropical storms and hurricanes near Runnells
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1900 | Unnamed 1900 stormSep 11 | 30 mi | Tropical storm (44 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Runnells: 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 Runnells
By decade
- 2020s28(1 EF3+)
- 2010s27(2 EF3+)
- 2000s38
- 1990s19(1 EF3+)
- 1980s29(1 EF3+)
- 1970s14(2 EF3+)
- 1960s14(1 EF3+)
- 1950s5
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Mar 5, 2022 | EF4 | 3 mi | 70.57 mi | 6 / 5 |
| Jun 18, 1974 | F4 | 8 mi | 15.3 mi | 2 / 50 |
| Sep 28, 1986 | F4 | 15 mi | 20 mi | 0 / 0 |
| Aug 20, 2019 | EF3 | 21 mi | 5.4 mi | 0 / 0 |
| Jul 19, 2018 | EF3 | 24 mi | 9.17 mi | 0 / 13 |
| Apr 8, 1999 | F3 | 4 mi | 39 mi | 0 / 5 |
| Mar 29, 1979 | F3 | 17 mi | 57 mi | 0 / 4 |
| Oct 14, 1966 | F3 | 14 mi | 29.5 mi | 0 / 0 |
| May 21, 2024 | EF2 | 21 mi | 40.84 mi | 0 / 4 |
| Apr 26, 2024 | EF2 | 7 mi | 7.61 mi | 0 / 1 |
| Jul 19, 2018 | EF2 | 12 mi | 2.95 mi | 0 / 0 |
| Jul 19, 2018 | EF2 | 14 mi | 3.68 mi | 0 / 0 |
The strongest 12 of 174, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Runnells
The Storm Prediction Center has 114 hail reports within 10 miles of Runnells since 1973, made on 71 separate days. Of these, 71 were 1 inch across or larger, and 4 reached 2 inches. The largest, 3.5 inches, fell on June 30, 2014. The most recent report is from May 19, 2025. June has the most reports, 37.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Runnells
The nearest NOAA station with 1991–2020 climate normals is Des Moines 17 E, IA, 5 miles east of Runnells at 921 feet. July is the warmest, with an average high of 84°F and low of 64°F; January is the coolest, at 30°F and 13°F. June is the wettest at 5.6 inches of precipitation on average and January the driest at 1.0 inches; the year adds up to 36.6 inches over 66 days with at least a tenth of an inch. Highs reach 90°F on about 15 days a year, almost all from June to September. Lows fall below freezing on about 137 nights a year. That 36.6 inches is more than at 60 of the 124 Iowa stations used on this site (48%). Carlisle, 6 miles southwest, has its own station (Des Moines International Airport, IA): 36.6 inches a year, the same as here, and a July average high of 86°F against 84°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 30 | 13 | 1.0 | 3 |
| Feb | 35 | 17 | 1.4 | 4 |
| Mar | 49 | 28 | 2.3 | 5 |
| Apr | 62 | 39 | 3.8 | 7 |
| May | 71 | 51 | 4.8 | 8 |
| Jun | 80 | 61 | 5.6 | 8 |
| Jul | 84 | 64 | 3.9 | 5 |
| Aug | 82 | 61 | 4.2 | 7 |
| Sep | 76 | 53 | 3.2 | 6 |
| Oct | 63 | 41 | 2.9 | 5 |
| Nov | 48 | 29 | 1.9 | 4 |
| Dec | 35 | 19 | 1.6 | 4 |
| Year | 59 | 40 | 36.6 | 66 |
Averages for 1991–2020 at Des Moines 17 E, IA (921 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 Runnells
Since 1996, the National Weather Service has logged 233 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Runnells: 103 thunderstorm wind reports, 74 heavy rain events, 40 floods, 13 flash floods and 3 lightning strikes. They killed 1 person and injured 4, and the NWS estimated $30.1 million in property and crop damage. The strongest thunderstorm gust on record here was 92 mph, on June 29, 1998. Of the 240 Iowa cities on this site with a flash flood on record, 114 have had fewer than Runnells.
August 11, 2010: flash flood 8 miles from the centre of Runnells — 1 killed, 4 injured, $125,000 damage.
June 12, 2010: flood 4 miles from the centre of Runnells — $20.0 million damage.
June 29, 1998: thunderstorm wind 9 miles from the centre of Runnells — $3.1 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
Polk County, which includes Runnells, has been named in 21 federal disaster or emergency declarations since 1965, 19 of them major disasters (by incident: 8 floods, 8 severe storms, 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Severe Storms and Flooding, on September 1, 2026. FEMA's National Risk Index gives Polk County a Relatively Moderate rating for natural hazard risk overall; by hazard: Very High for strong wind; Relatively High for tornadoes, hail and heat waves; Relatively Moderate for inland flooding and lightning; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $137.6 million a year, the highest of 99 Iowa counties; of the hazards above, the largest share, $60.6 million (44%), 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.