Extreme rain in United States, 8 to 9 October 2026
Extreme rain in United States, 8 to 9 October 2026: 5 records at 5 stations, peak on 9 October 2026. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in United States, 8 to 9 October 2026 set or tied 5 station records at 5 stations.
- It ran from 8 October 2026 to 9 October 2026 (2 days) and its peak day was 9 October 2026.
- Status: closed.
- Cherokee set a daily record precipitation of 42.9 mm (1.7 in) on 9 October 2026 (provisional).
- The busiest day was 9 October 2026 with 4 records.
- The oldest broken record in the ranked list had stood for 57 years.
Footprint
8 to 9 October 2026| Station | Type | Value | Date |
|---|---|---|---|
| Cherokee | Record daily precipitation | 42.9 mm (1.7 in) | 2026-10-09 |
| Sioux Rapids | Record daily precipitation | 13.7 mm (0.5 in) | 2026-10-09 |
| Ames 5 SE | Record daily precipitation | 24.9 mm (1.0 in) | 2026-10-09 |
| Lowden | Record daily precipitation | 8.4 mm (0.33 in) | 2026-10-09 |
| Des Moines Wsfo-Johnston | Record daily precipitation | 22.6 mm (0.9 in) | 2026-10-08 |
Records per Day
Peak day 4| Date | Records |
|---|---|
| 2026-10-08 | 1 |
| 2026-10-09 | 4 |
Top Records by Margin
Margin over the record replaced| Cherokee, 10-09 | |
|---|---|
| Ames 5 SE, 10-09 | |
| Des Moines Wsfo-Johnston, 10-08 | |
| Lowden, 10-09 | |
| Sioux Rapids, 10-09 |
Margin is how far the new value is beyond the record it replaced. Ties are not shown.
Margin Against Age of the Broken Record
| Margin (mm) | Years the old record stood |
|---|---|
| 7 | 56 |
| 1 | 57 |
| 5 | 32 |
| 1 | 32 |
| 2 | 19 |
Compared With Other Events
Station records per event| Extreme rain in United States and Mexico, 23 February to 15 March 2019 | |
|---|---|
| Extreme rain in United States, 3 to 19 January 2024 | |
| Extreme rain in Australia, 7 to 26 March 2021 | |
| Extreme rain in United States and Mexico, 29 September to 19 October 2018 | |
| Extreme rain in United States, 19 December 2022 to 13 January 2023 | |
| Extreme rain in United States, 8 to 9 October 2026 (this event) |
Every Record Set
5 of 5| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-10-08 | Des Moines Wsfo-Johnston | Record daily precipitation (provisional) | 22.6 mm (0.9 in) | 2.0 mm (0.08 in) | 19 | 9 of 100 (Routine) |
| 2026-10-09 | Cherokee | Record daily precipitation (provisional) | 42.9 mm (1.7 in) | 6.8 mm (0.27 in) | 56 | 32 of 100 (Routine) |
| 2026-10-09 | Sioux Rapids | Record daily precipitation (provisional) | 13.7 mm (0.5 in) | 0.7 mm (0.03 in) | 57 | 20 of 100 (Routine) |
| 2026-10-09 | Ames 5 SE | Record daily precipitation (provisional) | 24.9 mm (1.0 in) | 4.6 mm (0.18 in) | 32 | 17 of 100 (Routine) |
| 2026-10-09 | Lowden | Record daily precipitation (provisional) | 8.4 mm (0.33 in) | 0.8 mm (0.03 in) | 32 | 12 of 100 (Routine) |
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Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.