NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Corning, 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 Corning, Iowa since records began in 1851. Since 1950, 146 tornadoes have touched down within 25 miles, 16 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 146
- EF3 or stronger
- 16
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
6 deaths in all
What the records show for Corning
The highest rating among the 146 tornadoes within 25 miles is F4 or EF4, reached 7 times; the most recent, on May 21, 2024, came within 1 mile. Of the 146, 11 had paths within 5 miles of the city centre, and 66 have come since 2000. May has had the most tornadoes, 42. The most recent tornado was on July 11, 2025. Corning has more tornadoes within 25 miles than 71% of the 241 Iowa cities on this site. Hail has been reported within 10 miles 77 times since 1991, with stones up to 3 inches (tea cup size). Of the 241 Iowa cities, 61% have more hail reports within 10 miles than Corning.
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Tornadoes within 25 miles of Corning
By decade
- 2020s18(2 EF3+)
- 2010s23
- 2000s25
- 1990s18(4 EF3+)
- 1980s20(2 EF3+)
- 1970s14(4 EF3+)
- 1960s15(3 EF3+)
- 1950s13(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 21, 2024 | EF4 | 1 mi | 40.65 mi | 5 / 35 |
| Apr 12, 1964 | F4 | 21 mi | 13.1 mi | 1 / 28 |
| Apr 8, 1999 | F4 | 23 mi | 56 mi | 0 / 1 |
| Apr 8, 1999 | F4 | 2 mi | 49 mi | 0 / 3 |
| May 27, 1995 | F4 | 18 mi | 57 mi | 0 / 2 |
| May 24, 1989 | F4 | 3 mi | 49 mi | 0 / 0 |
| Mar 29, 1979 | F4 | 23 mi | 18.8 mi | 0 / 20 |
| May 21, 2024 | EF3 | 6 mi | 33.86 mi | 0 / 0 |
| Apr 14, 1994 | F3 | 19 mi | 14 mi | 0 / 0 |
| Jun 7, 1984 | F3 | 2 mi | 25 mi | 0 / 3 |
| Mar 29, 1979 | F3 | 12 mi | 29.6 mi | 0 / 1 |
| May 13, 1974 | F3 | 16 mi | 10.9 mi | 0 / 0 |
The strongest 12 of 146, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Corning
The Storm Prediction Center has 77 hail reports within 10 miles of Corning since 1991, made on 42 separate days. Of these, 53 were 1 inch across or larger, and 5 reached 2 inches. The largest, 3 inches (tea cup size), fell on May 19, 2013. The most recent report is from April 17, 2025. June has the most reports, 22.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Corning
The nearest NOAA station with 1991–2020 climate normals is Corning, IA, 1 mile south of Corning at 1,190 feet. July is the warmest, with an average high of 85°F and low of 64°F; January is the coolest, at 31°F and 12°F. May and June are the wettest at 5.2 inches of precipitation on average and January the driest at 0.8 inches; the year adds up to 35.3 inches over 62 days with at least a tenth of an inch. Highs reach 90°F on about 17 days a year, almost all from June to September. Lows fall below freezing on about 148 nights a year. Snowfall averages 27.8 inches a year, most of it in January. That 35.3 inches is more than at 34 of the 124 Iowa stations used on this site (27%). Creston, 20 miles east, has its own station (Greenfield, IA): 36.8 inches a year, 1.5 more than here, and a July average high of 84°F against 85°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 12 | 0.8 | 3 | 8.2 |
| Feb | 37 | 16 | 1.2 | 3 | 6.2 |
| Mar | 49 | 27 | 2.1 | 5 | 3.3 |
| Apr | 61 | 37 | 3.4 | 7 | 1.2 |
| May | 71 | 49 | 5.2 | 9 | 0.0 |
| Jun | 81 | 59 | 5.2 | 8 | 0.0 |
| Jul | 85 | 64 | 4.0 | 6 | 0.0 |
| Aug | 83 | 61 | 3.8 | 5 | 0.0 |
| Sep | 76 | 52 | 3.5 | 5 | 0.0 |
| Oct | 64 | 40 | 2.8 | 5 | 0.4 |
| Nov | 49 | 27 | 1.9 | 4 | 1.6 |
| Dec | 36 | 18 | 1.4 | 3 | 6.9 |
| Year | 60 | 38 | 35.3 | 62 | 27.8 |
Averages for 1991–2020 at Corning, IA (1,190 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 Corning
Since 1996, the National Weather Service has logged 99 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Corning: 57 thunderstorm wind reports, 20 heavy rain events, 16 flash floods, 5 floods and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $23.0 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on September 7, 2001. May has had the most flash floods, 6 of 16. Of the 240 Iowa cities on this site with a flash flood on record, 145 have had fewer than Corning.
June 12, 2010: flood 9 miles from the centre of Corning — $20.0 million damage.
September 7, 2001: thunderstorm wind 8 miles from the centre of Corning — $275,000 damage.
June 5, 2008: flood 1 mile from the centre of Corning — $200,000 damage.
NWS: “Several houses and businesses on the northeast side of Corning have been inundated with water.”
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
Adams County, which includes Corning, has been named in 17 federal disaster or emergency declarations since 1972, 15 of them major disasters (by incident: 7 severe storms, 5 floods, 2 biological emergencies, 2 ice storms). The latest major disaster declaration was Severe Storms, Tornadoes, and Flooding, on May 24, 2024. FEMA's National Risk Index gives Adams County a Very Low rating for natural hazard risk overall; by hazard: Relatively Low for tornadoes, hail, strong wind and heat waves; Very Low for hurricanes, inland flooding and lightning. It models the county's expected loss from all 18 hazards it covers at $8.0 million a year, the 90th highest of 99 Iowa counties; of the hazards above, the largest share, $1.6 million (20%), 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 Corning
- Lenox, IA14 mi
- Creston, IA20 mi
- Bedford, IA23 mi
- Clarinda, IA23 mi
- Red Oak, IA24 mi
- Greenfield, IA27 mi
- Atlantic, IA31 mi
- Mount Ayr, IA35 mi
- Shenandoah, IA36 mi
- Stuart, IA41 mi
- Winterset, IA44 mi
- Maryville, MO46 mi
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