Extreme rain in United States, 3 to 4 August 2026
Extreme rain in United States, 3 to 4 August 2026: 7 records at 7 stations, peak on 3 August 2026. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in United States, 3 to 4 August 2026 set or tied 7 station records at 7 stations.
- It ran from 3 August 2026 to 4 August 2026 (2 days) and its peak day was 3 August 2026.
- Status: closed.
- Talkeetna AP set a daily record precipitation of 40.9 mm (1.6 in) on 3 August 2026.
- The busiest day was 3 August 2026 with 5 records.
- The oldest broken record in the ranked list had stood for 101 years.
Footprint
3 to 4 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Talkeetna AP | Record daily precipitation | 40.9 mm (1.6 in) | 2026-08-03 |
| Susitna Valley High | Record daily precipitation | 35.6 mm (1.4 in) | 2026-08-03 |
| Iliamna AP | Record daily precipitation | 40.6 mm (1.6 in) | 2026-08-03 |
| Homer AP | Record daily precipitation | 12.4 mm (0.5 in) | 2026-08-03 |
| Middle Fork Bradley | Record daily precipitation | 17.8 mm (0.7 in) | 2026-08-03 |
| Indian Pass | Record daily precipitation | 35.6 mm (1.4 in) | 2026-08-04 |
| Lazy Mtn | Record daily precipitation | 18.8 mm (0.7 in) | 2026-08-04 |
Records per Day
Peak day 5| Date | Records |
|---|---|
| 2026-08-03 | 5 |
| 2026-08-04 | 2 |
Top Records by Margin
Margin over the record replaced| Susitna Valley High, 08-03 | |
|---|---|
| Iliamna AP, 08-03 | |
| Talkeetna AP, 08-03 | |
| Indian Pass, 08-04 | |
| Middle Fork Bradley, 08-03 | |
| Homer AP, 08-03 | |
| Lazy Mtn, 08-04 |
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 |
|---|---|
| 10 | 101 |
| 3 | 60 |
| 23 | 8 |
| 11 | 12 |
| 8 | 20 |
| 10 | 19 |
| 0 | 36 |
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, 3 to 4 August 2026 (this event) |
Every Record Set
7 of 7| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-03 | Talkeetna AP | Record daily precipitation | 40.9 mm (1.6 in) | 10.4 mm (0.4 in) | 101 | 51 of 100 (Notable) |
| 2026-08-03 | Susitna Valley High | Record daily precipitation | 35.6 mm (1.4 in) | 22.9 mm (0.9 in) | 8 | 29 of 100 (Routine) |
| 2026-08-03 | Iliamna AP | Record daily precipitation | 40.6 mm (1.6 in) | 10.6 mm (0.4 in) | 12 | 24 of 100 (Routine) |
| 2026-08-03 | Homer AP | Record daily precipitation | 12.4 mm (0.5 in) | 3.3 mm (0.13 in) | 60 | 20 of 100 (Routine) |
| 2026-08-03 | Middle Fork Bradley | Record daily precipitation | 17.8 mm (0.7 in) | 7.6 mm (0.30 in) | 20 | 18 of 100 (Routine) |
| 2026-08-04 | Indian Pass | Record daily precipitation | 35.6 mm (1.4 in) | 10.2 mm (0.4 in) | 19 | 17 of 100 (Routine) |
| 2026-08-04 | Lazy Mtn | Record daily precipitation | 18.8 mm (0.7 in) | 0.3 mm (0.01 in) | 36 | 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.