Rock Vly, IA severe weather history
NOAA has logged 152 severe weather events at Rock Vly in Sioux County, Iowa since 1996 — most often flood.
That is 22.0% of the 690 events recorded across Sioux County as a whole.
- Events on record
- 152
- Direct deaths
- 00 injured
- Property damage
- $3.5M
- Record span
- 1996–Jul 29, 2025
What hits Rock Vly
Recent events logged at Rock Vly
| Date | Event | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Jul 29, 2025 | Thunderstorm Wind | 0 | 0 | $0 |
| Jun 3, 2025 | Flood | 0 | 0 | $0 |
| Jun 3, 2025 | Flood | 0 | 0 | $0 |
| Jul 14, 2024 | Thunderstorm Wind | 0 | 0 | $0 |
| Jun 21, 2024 | Flood | 0 | 0 | $0 |
| Jun 21, 2024 | Flood | 0 | 0 | $0 |
| Jun 21, 2024 | Flood | 0 | 0 | $0 |
| Jun 21, 2024 | Flood | 0 | 0 | $0 |
| Jun 21, 2024 | Flood | 0 | 0 | $0 |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $0 |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $0 |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $0 |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $0 |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $5K |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $5K |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $5K |
| Aug 5, 2023 | Flash Flood | 0 | 0 | $5K |
| Jul 12, 2023 | Thunderstorm Wind | 0 | 0 | $0 |
| Jul 10, 2023 | Thunderstorm Wind | 0 | 0 | $0 |
| Jun 24, 2023 | Thunderstorm Wind | 0 | 0 | $0 |
| Jun 24, 2023 | Thunderstorm Wind | 0 | 0 | $0 |
| Apr 20, 2023 | Hail | 0 | 0 | $0 |
| Mar 22, 2023 | Flood | 0 | 0 | $0 |
| Mar 22, 2023 | Flood | 0 | 0 | $0 |
| Oct 24, 2022 | Thunderstorm Wind | 0 | 0 | $0 |
| May 12, 2022 | Thunderstorm Wind | 0 | 0 | $0 |
| Aug 27, 2021 | Hail | 0 | 0 | $10K |
| Oct 11, 2020 | Thunderstorm Wind | 0 | 0 | $0 |
| Jun 21, 2020 | Thunderstorm Wind | 0 | 0 | $10K |
| Jun 9, 2020 | Flash Flood | 0 | 0 | $10K |
| Jun 9, 2020 | Flash Flood | 0 | 0 | $10K |
| Jun 9, 2020 | Flash Flood | 0 | 0 | $10K |
| Jun 9, 2020 | Flash Flood | 0 | 0 | $10K |
| Sep 14, 2019 | Flood | 0 | 0 | $10K |
| Sep 14, 2019 | Flood | 0 | 0 | $10K |
| Sep 14, 2019 | Flood | 0 | 0 | $10K |
| Jul 20, 2019 | Thunderstorm Wind | 0 | 0 | $0 |
| Jul 4, 2019 | Thunderstorm Wind | 0 | 0 | $400K |
| Jul 2, 2019 | Flash Flood | 0 | 0 | $0 |
| Jul 2, 2019 | Flash Flood | 0 | 0 | $0 |
Source: NOAA/NCEI Storm Events · dates in UTC · newest 40 records
Rock Vly severe weather — your questions
When was the last severe weather event at Rock Vly?
The most recent event on record for Rock Vly is dated Jul 29, 2025 (UTC). NOAA publishes confirmed records on a delay of one to three months.
How many severe weather events has Rock Vly recorded?
Rock Vly appears in 152 NOAA storm reports since 1996 — 22.0% of everything logged across Sioux County.
What is the most common severe weather at Rock Vly?
Flood leads the record at Rock Vly, out of 6 hazard types logged there.
Have there been weather deaths at Rock Vly?
No direct weather deaths are recorded at Rock Vly since 1996.
Which decade was busiest at Rock Vly?
The 2010s carry the most reports for Rock Vly, with 69 events logged.