Extreme rain in United States, 3 to 5 September 2026

Name: Extreme rain in United States, 3 to 5 September 2026
Start: 2026-09-03
End: 2026-09-05
Location: United States

Extreme rain in United States, 3 to 5 September 2026: 8 records at 7 stations, peak on 4 September 2026. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Extreme rain in United States, 3 to 5 September 2026 set or tied 8 station records at 7 stations.
It ran from 3 September 2026 to 5 September 2026 (3 days) and its peak day was 4 September 2026.
Status: closed.
Leech Lake set a daily record precipitation of 46.0 mm (1.8 in) on 4 September 2026 (provisional).
The busiest day was 4 September 2026 with 4 records.
The oldest broken record in the ranked list had stood for 112 years.

Footprint

3 to 5 September 2026

The area covered by Extreme rain in United States, 3 to 5 September 2026 is outlined, with 7 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in United States, 3 to 5 September 2026: stations that set records in the event
Station	Type	Value	Date
Leech Lake	Record daily precipitation	46.0 mm (1.8 in)	2026-09-04
Petersburg 2 N	Record daily precipitation	48.3 mm (1.9 in)	2026-09-04
Grand Forks Intl AP	Record daily precipitation	28.4 mm (1.1 in)	2026-09-03
Baudette	Record daily precipitation	25.4 mm (1.0 in)	2026-09-05
Belcourt Keya Radio	Record daily precipitation	20.1 mm (0.8 in)	2026-09-04
Thorhult	Record daily precipitation	38.9 mm (1.5 in)	2026-09-04
Velva	Record daily precipitation	33.0 mm (1.3 in)	2026-09-03
Lake Metigoshe Sp	Record daily precipitation	19.1 mm (0.8 in)	2026-09-05

Records per Day

Peak day 4

Records set or tied each day from 3 September 2026 to 5 September 2026. The most in one day was 4 on 4 September 2026.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 3 to 5 September 2026 ranked by margin
Petersburg 2 N, 09-04	14.8 mm (0.6 in)
Leech Lake, 09-04	11.5 mm (0.5 in)
Grand Forks Intl AP, 09-03	11.4 mm (0.4 in)
Baudette, 09-04	10.9 mm (0.4 in)
Thorhult, 09-04	7.9 mm (0.31 in)
Lake Metigoshe Sp, 09-05	4.9 mm (0.19 in)
Baudette, 09-05	4.6 mm (0.18 in)
Velva, 09-03	4.0 mm (0.16 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

8 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 3 to 5 September 2026 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in United States, 3 to 5 September 2026 (this event)	8 records

Every Record Set

9 of 8

Every record set or tied during Extreme rain in United States, 3 to 5 September 2026, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2026-09-03	Grand Forks Intl AP	Record daily precipitation (provisional)	28.4 mm (1.1 in)	11.4 mm (0.4 in)	36	29 of 100 (Routine)
2026-09-03	Velva	Record daily precipitation (provisional)	33.0 mm (1.3 in)	4.0 mm (0.16 in)	7	16 of 100 (Routine)
2026-09-04	Leech Lake	Record daily precipitation (provisional)	46.0 mm (1.8 in)	11.5 mm (0.5 in)	112	51 of 100 (Notable)
2026-09-04	Petersburg 2 N	Record daily precipitation (provisional)	48.3 mm (1.9 in)	14.8 mm (0.6 in)	84	49 of 100 (Notable)
2026-09-04	Baudette	Record daily precipitation (provisional)	24.9 mm (1.0 in)	10.9 mm (0.4 in)	96	20 of 100 (Routine)
2026-09-04	Belcourt Keya Radio	Record daily precipitation (provisional)	20.1 mm (0.8 in)	4.6 mm (0.18 in)	60	20 of 100 (Routine)
2026-09-04	Thorhult	Record daily precipitation (provisional)	38.9 mm (1.5 in)	7.9 mm (0.31 in)	9	17 of 100 (Routine)
2026-09-05	Baudette	Record daily precipitation (provisional)	25.4 mm (1.0 in)	4.6 mm (0.18 in)	31	23 of 100 (Routine)
2026-09-05	Lake Metigoshe Sp	Record daily precipitation (provisional)	19.1 mm (0.8 in)	4.9 mm (0.19 in)	11	12 of 100 (Routine)

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Download the Data

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.