Extreme rain in United States, 17 to 18 July 2026
Extreme rain in United States, 17 to 18 July 2026: 5 records at 5 stations, peak on 18 July 2026. Closed.
Data as of . Last revised (2026-10-12).
Key Facts
- Extreme rain in United States, 17 to 18 July 2026 set or tied 5 station records at 5 stations.
- It ran from 17 July 2026 to 18 July 2026 (2 days) and its peak day was 18 July 2026.
- Status: closed.
- Bloomer set a daily record precipitation of 33.5 mm (1.3 in) on 18 July 2026.
- The busiest day was 18 July 2026 with 3 records.
- The oldest broken record in the ranked list had stood for 60 years.
Footprint
17 to 18 July 2026| Station | Type | Value | Date |
|---|---|---|---|
| Bloomer | Record daily precipitation | 33.5 mm (1.3 in) | 2026-07-18 |
| Trempealeau Dam 6 | Record daily precipitation | 53.3 mm (2.1 in) | 2026-07-17 |
| Rice Lake | Record daily precipitation | 36.1 mm (1.4 in) | 2026-07-18 |
| Cumberland | Record daily precipitation | 44.7 mm (1.8 in) | 2026-07-18 |
| Afton - Janesville Wwtp | Record daily precipitation | 35.6 mm (1.4 in) | 2026-07-17 |
| Ridgeland 1NNE | Record daily precipitation | 33.0 mm (1.3 in) | 2026-07-18 |
Records per Day
Peak day 3| Date | Records |
|---|---|
| 2026-07-17 | 2 |
| 2026-07-18 | 3 |
Top Records by Margin
Margin over the record replaced| Afton - Janesville Wwtp, 07-17 | |
|---|---|
| Trempealeau Dam 6, 07-17 | |
| Bloomer, 07-18 | |
| Cumberland, 07-18 | |
| Rice Lake, 07-18 |
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 | 55 |
| 9 | 41 |
| 1 | 60 |
| 3 | 43 |
| 9 | 27 |
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, 17 to 18 July 2026 (this event) |
Every Record Set
6 of 5| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-07-17 | Trempealeau Dam 6 | Record daily precipitation | 53.3 mm (2.1 in) | 8.6 mm (0.34 in) | 41 | 27 of 100 (Routine) |
| 2026-07-17 | Afton - Janesville Wwtp | Record daily precipitation | 35.6 mm (1.4 in) | 9.2 mm (0.36 in) | 27 | 18 of 100 (Routine) |
| 2026-07-18 | Bloomer | Record daily precipitation | 33.5 mm (1.3 in) | 7.3 mm (0.29 in) | 55 | 29 of 100 (Routine) |
| 2026-07-18 | Rice Lake | Record daily precipitation | 36.1 mm (1.4 in) | 1.3 mm (0.05 in) | 60 | 26 of 100 (Routine) |
| 2026-07-18 | Cumberland | Record daily precipitation | 44.7 mm (1.8 in) | 3.3 mm (0.13 in) | 43 | 23 of 100 (Routine) |
| 2026-07-18 | Ridgeland 1NNE | Record daily precipitation (tie) | 33.0 mm (1.3 in) | tie | 55 | 5 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.