Story County, Iowa: 4 FEMA declarations and the hail record
Since 2014 FEMA has named Story County 4 times, split 4 storm-type, 0 flood, 0 winter, 0 fire. Over the same stretch NOAA counts 27 hail days of 1 in or more, spread over 9 of 12 full years.
- 4declarations
- 4storm-type
- #33 of 67in IA
- 6 of 9hail years undeclared
Story County ranks #33 of 67 IA counties by declarations (4), above the IA median of 3. Storm, tornado and wind leads with 4.
Between the two furthest apart lie 1,376 days (3.8 years), DR-4557 (August 17, 2020) to DR-4784 (May 24, 2024). Since DR-4942 the file has run another 14 days.
1 in hail shows up in 9 of 12 full years. Undeclared: 6, among them 2014 and 2025. Peak year 2024: 5 days, 9 reports.
NOAA lists 12 tornadoes here, the strongest EF2, May 21, 2024, near Cambridge. Top gust 100 mph (August 10, 2020). Peaks land inside 3 of 4 storm windows.
Year by year
| Story County year | Storm-type | Other | Hail days 1 in+, Story | Hail reports |
|---|---|---|---|---|
| 2014 | – | – | 2 | 25 |
| 2015 | – | – | 0 | 2 |
| 2016 | – | – | 0 | 0 |
| 2017 | – | – | 4 | 9 |
| 2018 | 1 | – | 5 | 30 |
| 2019 | – | – | 1 | 8 |
| 2020 | 1 | – | 1 | 15 |
| 2021 | – | – | 0 | 1 |
| 2022 | – | – | 2 | 3 |
| 2023 | – | – | 3 | 36 |
| 2024 | 1 | – | 5 | 9 |
| 2025 | – | – | 4 | 15 |
| 2026 | 1 | – | 0 | 0 |
All 4 declarations
| Story County # | DR | Declared | Hail days that year, Story | Incident | Kind | Days after prior | NOAA inside |
|---|---|---|---|---|---|---|---|
| 4 of 4 | 4942 | 2026-09-01 | 0 | 2026-07-01 to 2026-07-04 | Severe Storm DR | 830 | – |
| 3 of 4 | 4784 | 2024-05-24 | 5 | 2024-05-20 to 2024-05-31 | Severe Storm DR | 1376 | EF2 tornado |
| 2 of 4 | 4557 | 2020-08-17 | 1 | 2020-08-10 | Severe Storm DR | 728 | 100 mph gust; 100 mph gust |
| 1 of 4 | 4386 | 2018-08-20 | 5 | 2018-06-06 to 2018-07-02 | Severe Storm DR | first | 1.5 in hail |
Hail reports on the map
Roofers we list: Ames. Story County hail history.
Story County questions
How many FEMA declarations name Story County?
4 since 2014. First: DR-4386, August 20, 2018. Latest: DR-4942, September 1, 2026. Storm 4, flood 0, winter 0, fire 0.
Which Story County hail years have no storm declaration?
6 of 9; the latest is 2025.
Was the biggest Story County hail day declared?
The biggest stone, 2.75 in hail on April 12, 2014, falls inside none of the 4 declaration windows.
Nearby in IA
Method and limits. Sources: OpenFEMA, NOAA Storm Events.