Extreme rain in United States, 24 to 26 September 2026
Extreme rain in United States, 24 to 26 September 2026: 9 records at 9 stations, peak on 25 September 2026. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in United States, 24 to 26 September 2026 set or tied 9 station records at 9 stations.
- It ran from 24 September 2026 to 26 September 2026 (3 days) and its peak day was 25 September 2026.
- Status: closed.
- Colville set a daily record precipitation of 7.4 mm (0.29 in) on 25 September 2026 (provisional).
- The busiest day was 25 September 2026 with 6 records.
- The oldest broken record in the ranked list had stood for 101 years.
Footprint
24 to 26 September 2026| Station | Type | Value | Date |
|---|---|---|---|
| Hoquiam Bowerman AP | Record daily precipitation | 19.8 mm (0.8 in) | 2026-09-24 |
| Colville | Record daily precipitation | 7.4 mm (0.29 in) | 2026-09-25 |
| Whidbey Island NAS | Record daily precipitation | 16.4 mm (0.6 in) | 2026-09-25 |
| Mount Crag | Record daily precipitation | 50.8 mm (2.0 in) | 2026-09-26 |
| Tolt S Fk Rsvr | Record daily precipitation | 49.0 mm (1.9 in) | 2026-09-26 |
| Blewett Pass | Record daily precipitation | 27.9 mm (1.1 in) | 2026-09-25 |
| Bellingham Intl AP | Record daily precipitation | 30.0 mm (1.2 in) | 2026-09-25 |
| Astoria AP (Port of) | Record daily precipitation | 24.6 mm (1.0 in) | 2026-09-25 |
| Fish Lake | Record daily precipitation | 27.9 mm (1.1 in) | 2026-09-25 |
| Entiat Fish Hatchery | Record daily precipitation | 3.8 mm (0.15 in) | 2026-09-25 |
Records per Day
Peak day 6| Date | Records |
|---|---|
| 2026-09-24 | 1 |
| 2026-09-25 | 6 |
| 2026-09-26 | 2 |
Top Records by Margin
Margin over the record replaced| Mount Crag, 09-26 | |
|---|---|
| Tolt S Fk Rsvr, 09-26 | |
| Whidbey Island NAS, 09-25 | |
| Blewett Pass, 09-25 | |
| Bellingham Intl AP, 09-25 | |
| Astoria AP (Port of), 09-25 | |
| Fish Lake, 09-25 | |
| Hoquiam Bowerman AP, 09-24 | |
| Colville, 09-25 |
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 |
|---|---|
| 1 | 101 |
| 2 | 65 |
| 9 | 5 |
| 15 | 15 |
| 11 | 5 |
| 8 | 3 |
| 5 | 1 |
| 4 | 1 |
| 3 | 5 |
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, 24 to 26 September 2026 (this event) |
Every Record Set
10 of 9| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-09-24 | Hoquiam Bowerman AP | Record daily precipitation (provisional) | 19.8 mm (0.8 in) | 2.3 mm (0.09 in) | 65 | 20 of 100 (Routine) |
| 2026-09-25 | Colville | Record daily precipitation (provisional) | 7.4 mm (0.29 in) | 1.0 mm (0.04 in) | 101 | 20 of 100 (Routine) |
| 2026-09-25 | Whidbey Island NAS | Record daily precipitation (provisional) | 16.4 mm (0.6 in) | 8.5 mm (0.33 in) | 5 | 20 of 100 (Routine) |
| 2026-09-25 | Blewett Pass | Record daily precipitation (provisional) | 27.9 mm (1.1 in) | 7.6 mm (0.30 in) | 3 | 14 of 100 (Routine) |
| 2026-09-25 | Bellingham Intl AP | Record daily precipitation (provisional) | 30.0 mm (1.2 in) | 4.6 mm (0.18 in) | 1 | 14 of 100 (Routine) |
| 2026-09-25 | Astoria AP (Port of) | Record daily precipitation (provisional) | 24.6 mm (1.0 in) | 3.8 mm (0.15 in) | 1 | 10 of 100 (Routine) |
| 2026-09-25 | Fish Lake | Record daily precipitation (provisional) | 27.9 mm (1.1 in) | 2.5 mm (0.10 in) | 5 | 7 of 100 (Routine) |
| 2026-09-25 | Entiat Fish Hatchery | Record daily precipitation (tie) (provisional) | 3.8 mm (0.15 in) | tie | 12 | 1 of 100 (Routine) |
| 2026-09-26 | Mount Crag | Record daily precipitation (provisional) | 50.8 mm (2.0 in) | 15.2 mm (0.6 in) | 15 | 18 of 100 (Routine) |
| 2026-09-26 | Tolt S Fk Rsvr | Record daily precipitation (provisional) | 49.0 mm (1.9 in) | 11.4 mm (0.4 in) | 5 | 15 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.