Extreme rain in United States, 19 to 21 October 2026
Extreme rain in United States, 19 to 21 October 2026: 15 records at 13 stations, peak on 19 October 2026. Closed.
Data as of . Last revised (2026-11-12).
Key Facts
- Extreme rain in United States, 19 to 21 October 2026 set or tied 15 station records at 13 stations.
- It ran from 19 October 2026 to 21 October 2026 (3 days) and its peak day was 19 October 2026.
- Status: closed.
- Gulkana AP set a monthly record daily precipitation of 31.8 mm (1.3 in) on 20 October 2026 (provisional).
- The busiest day was 19 October 2026 with 7 records.
- The oldest broken record in the ranked list had stood for 115 years.
Footprint
19 to 21 October 2026| Station | Type | Value | Date |
|---|---|---|---|
| Gulkana AP | Record daily precipitation | 31.8 mm (1.3 in) | 2026-10-20 |
| Kenai Moose Pens | Record daily precipitation | 25.4 mm (1.0 in) | 2026-10-19 |
| Anchorage Ted Stevens Intl AP | Record daily precipitation | 25.4 mm (1.0 in) | 2026-10-19 |
| Anchor River Divide | Record daily precipitation | 15.2 mm (0.6 in) | 2026-10-19 |
| Iliamna AP | Record daily precipitation | 22.1 mm (0.9 in) | 2026-10-19 |
| Anchorage Merrill Fld | Record daily precipitation | 20.1 mm (0.8 in) | 2026-10-19 |
| Chicken | Record daily precipitation | 11.4 mm (0.4 in) | 2026-10-20 |
| Glennallen Kcam | Record daily precipitation | 20.3 mm (0.8 in) | 2026-10-20 |
| Granite Crk | Record daily precipitation | 15.2 mm (0.6 in) | 2026-10-20 |
| Circle Hot Springs | Record daily precipitation | 10.2 mm (0.4 in) | 2026-10-21 |
| Eagle | Record daily precipitation | 14.2 mm (0.6 in) | 2026-10-21 |
| Indian Pass | Record daily precipitation | 35.6 mm (1.4 in) | 2026-10-19 |
| N Pole | Record daily precipitation | 8.4 mm (0.33 in) | 2026-10-20 |
| Susitna Valley High | Record daily precipitation | 15.2 mm (0.6 in) | 2026-10-19 |
| Munson Ridge | Record daily precipitation | 7.6 mm (0.30 in) | 2026-10-20 |
| Monahan Flat | Record daily precipitation | 7.6 mm (0.30 in) | 2026-10-19 |
Records per Day
Peak day 7| Date | Records |
|---|---|
| 2026-10-19 | 7 |
| 2026-10-20 | 5 |
| 2026-10-21 | 3 |
Top Records by Margin
Margin over the record replaced| Glennallen Kcam, 10-20 | |
|---|---|
| Kenai Moose Pens, 10-19 | |
| Chicken, 10-21 | |
| Granite Crk, 10-20 | |
| Eagle, 10-21 | |
| Indian Pass, 10-19 | |
| Anchor River Divide, 10-19 | |
| Anchorage Merrill Fld, 10-19 | |
| Iliamna AP, 10-19 | |
| Anchorage Ted Stevens Intl AP, 10-19 | |
| Chicken, 10-20 | |
| Gulkana AP, 10-20 | |
| N Pole, 10-20 | |
| Gulkana AP, 10-19 | |
| Circle Hot Springs, 10-21 |
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 | 115 |
| 9 | 76 |
| 14 | 57 |
| 3 | 67 |
| 10 | 27 |
| 5 | 88 |
| 1 | 91 |
| 4 | 83 |
| 13 | 28 |
| 3 | 72 |
| 3 | 28 |
| 2 | 40 |
| 5 | 36 |
| 3 | 28 |
| 8 | 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, 19 to 21 October 2026 (this event) |
Every Record Set
18 of 15| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-10-19 | Kenai Moose Pens | Record daily precipitation (provisional) | 25.4 mm (1.0 in) | 12.7 mm (0.5 in) | 28 | 34 of 100 (Routine) |
| 2026-10-19 | Anchorage Ted Stevens Intl AP | Record daily precipitation (provisional) | 25.4 mm (1.0 in) | 3.0 mm (0.12 in) | 72 | 33 of 100 (Routine) |
| 2026-10-19 | Anchor River Divide | Record daily precipitation (provisional) | 15.2 mm (0.6 in) | 5.0 mm (0.20 in) | 36 | 20 of 100 (Routine) |
| 2026-10-19 | Iliamna AP | Record daily precipitation (provisional) | 22.1 mm (0.9 in) | 4.3 mm (0.17 in) | 83 | 20 of 100 (Routine) |
| 2026-10-19 | Anchorage Merrill Fld | Record daily precipitation (provisional) | 20.1 mm (0.8 in) | 4.6 mm (0.18 in) | 88 | 20 of 100 (Routine) |
| 2026-10-19 | Gulkana AP | Record daily precipitation (provisional) | 7.1 mm (0.28 in) | 1.5 mm (0.06 in) | 40 | 20 of 100 (Routine) |
| 2026-10-19 | Indian Pass | Record daily precipitation (provisional) | 35.6 mm (1.4 in) | 7.7 mm (0.30 in) | 27 | 19 of 100 (Routine) |
| 2026-10-19 | Susitna Valley High | Record daily precipitation (tie) (provisional) | 15.2 mm (0.6 in) | tie | 27 | 3 of 100 (Routine) |
| 2026-10-19 | Monahan Flat | Record daily precipitation (tie) (provisional) | 7.6 mm (0.30 in) | tie | 24 | 2 of 100 (Routine) |
| 2026-10-20 | Gulkana AP | Record daily precipitation (provisional) | 31.8 mm (1.3 in) | 2.6 mm (0.10 in) | 67 | 46 of 100 (Notable) |
| 2026-10-20 | Chicken | Record daily precipitation (provisional) | 11.4 mm (0.4 in) | 2.8 mm (0.11 in) | 28 | 20 of 100 (Routine) |
| 2026-10-20 | Glennallen Kcam | Record daily precipitation (provisional) | 20.3 mm (0.8 in) | 13.7 mm (0.5 in) | 57 | 20 of 100 (Routine) |
| 2026-10-20 | Granite Crk | Record daily precipitation (provisional) | 15.2 mm (0.6 in) | 10.1 mm (0.4 in) | 27 | 20 of 100 (Routine) |
| 2026-10-20 | N Pole | Record daily precipitation (provisional) | 8.4 mm (0.33 in) | 2.6 mm (0.10 in) | 28 | 19 of 100 (Routine) |
| 2026-10-20 | Munson Ridge | Record daily precipitation (tie) (provisional) | 7.6 mm (0.30 in) | tie | 36 | 3 of 100 (Routine) |
| 2026-10-21 | Chicken | Record daily precipitation (provisional) | 10.2 mm (0.4 in) | 10.2 mm (0.4 in) | 115 | 20 of 100 (Routine) |
| 2026-10-21 | Circle Hot Springs | Record daily precipitation (provisional) | 10.2 mm (0.4 in) | 1.3 mm (0.05 in) | 91 | 20 of 100 (Routine) |
| 2026-10-21 | Eagle | Record daily precipitation (provisional) | 14.2 mm (0.6 in) | 8.6 mm (0.34 in) | 76 | 20 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 2026-11-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.