Heat wave in United States, 11 June to 2 July 2025

Name: Heat wave in United States, 11 June to 2 July 2025
Start: 2025-06-11
End: 2025-07-02
Location: United States

Heat wave in United States, 11 June to 2 July 2025: 131 records at 46 stations, peak on 15 June 2025. Closed.

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

Key Facts

Heat wave in United States, 11 June to 2 July 2025 set or tied 131 station records at 46 stations.
It ran from 11 June 2025 to 2 July 2025 (22 days) and its peak day was 15 June 2025.
Status: closed.
Yakataga AP set a daily record high maximum temperature of 22.2 C (72.0 F) on 19 June 2025.
The busiest day was 16 June 2025 with 21 records.
The oldest broken record in the ranked list had stood for 99 years.

Footprint

11 June to 2 July 2025

The area covered by Heat wave in United States, 11 June to 2 July 2025 is outlined, with 6 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in United States, 11 June to 2 July 2025: stations that set records in the event
Station	Type	Value	Date
Yakataga AP	Record high maximum temperature	22.2 C (72.0 F)	2025-06-19
Aniak AP	Record high minimum temperature	18.3 C (64.9 F)	2025-06-17
Wiseman	Record high maximum temperature	28.9 C (84.0 F)	2025-06-17
Cordova AP	Record high minimum temperature	11.7 C (53.1 F)	2025-06-23
Barter Island WSO AP	Record high maximum temperature	12.8 C (55.0 F)	2025-06-14
Unalakleet Fld	Record high maximum temperature	28.3 C (82.9 F)	2025-06-20

Records per Day

Peak day 20

Records set or tied each day from 11 June 2025 to 2 July 2025. The most in one day was 21 on 16 June 2025.

Records per day during Heat wave in United States, 11 June to 2 July 2025
Date	Records
2025-06-11	1
2025-06-12	1
2025-06-13	1
2025-06-14	11
2025-06-15	20
2025-06-16	21
2025-06-17	17
2025-06-18	11
2025-06-19	11
2025-06-20	9
2025-06-21	5
2025-06-22	7
2025-06-23	3
2025-06-24	2
2025-06-25	2
2025-06-26	1
2025-06-27	1
2025-06-28	2
2025-06-29	1
2025-06-30	1
2025-07-01	2
2025-07-02	1

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in United States, 11 June to 2 July 2025 ranked by margin
Yakataga AP, 06-19	5.5 C (9.9 F)
Yakataga AP, 07-02	5.0 C (9.0 F)
Barter Island WSO AP, 06-14	3.9 C (7.0 F)
Yakataga AP, 06-22	3.4 C (6.1 F)
Aniak AP, 06-17	3.3 C (5.9 F)
Wiseman, 06-17	3.3 C (5.9 F)
Unalakleet Fld, 06-20	3.3 C (5.9 F)
Yakataga AP, 06-21	2.8 C (5.0 F)
Yakataga AP, 06-20	2.8 C (5.0 F)
Yakataga AP, 07-01	2.8 C (5.0 F)
Wiseman, 06-16	1.7 C (3.1 F)
Cordova AP, 06-18	1.7 C (3.1 F)
Yakataga AP, 06-27	1.7 C (3.1 F)
Yakataga AP, 06-23	1.6 C (2.9 F)
Wiseman, 06-18	1.1 C (2.0 F)

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

Margin Against Age of the Broken Record

131 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.

Margin against age of the broken record in Heat wave in United States, 11 June to 2 July 2025
Margin (C)	Years the old record stood
5.5	66
3.3	56
3.4	74
5.0	46
3.3	88
2.8	79
0.3	78
0.6	99
2.8	67
1.7	88
0.6	88
1.7	75
1.7	72
1.1	76
2.8	48
3.3	67
3.9	58
1.1	72
1.6	66
0.5	79
0.9	72
0.5	75
0.9	68
1.0	67
1.1	66
0.6	68
1.1	66
1.1	58
1.7	48
0.5	66
1.1	60
0.5	66
2.2	56
1.1	42
0.4	58
3.3	20
1.7	44
0.5	43
1.1	39
3.9	4
2.2	20
1.7	34
0.7	40
1.1	15
1.7	31
1.1	36
1.6	4
2.8	20
1.2	36
2.8	28
1.7	6
1.7	26
1.7	26
1.1	31
3.3	20
1.0	34
0.1	39
0.6	27
0.5	18
0.6	34
1.4	20
1.1	0
2.3	20
2.2	20
1.7	20
1.2	20
1.1	20
0.5	28
1.1	20
0.6	28
1.6	20
1.7	22
1.1	20
1.3	23
2.7	12
0.6	2
1.1	10
1.1	20
1.1	20
3.3	8
0.6	26
0.1	26
0.5	23
1.1	3
2.2	12
2.3	10
0.5	20
0.5	20
2.8	8
0.5	20
0.6	20
1.7	12
0.6	20
0.6	20
0.6	20
0.6	7
0.5	23
0.1	20
1.7	0
1.2	12
1.1	12
1.1	12
2.2	8
1.6	8
1.6	8
1.1	12
0.2	19
0.6	12
0.4	12
0.6	12
1.1	4
0.6	12
1.1	8
0.5	10
0.6	12
0.5	12
0.6	10
0.5	10
0.5	12
0.5	12
0.1	12
0.2	12
0.7	8
0.3	12
0.6	4
0.2	8
0.6	4
0.5	4
0.5	4
0.6	4
0.6	4

Compared With Other Events

Station records per event

Station records in Heat wave in United States, 11 June to 2 July 2025 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in United States, 11 June to 2 July 2025 (this event)	131 records

Every Record Set

20 of 131

Every record set or tied during Heat wave in United States, 11 June to 2 July 2025, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2025-06-14	Barter Island WSO AP	Record high maximum temperature	12.8 C (55.0 F)	3.9 C (7.0 F)	58	35 of 100 (Notable)
2025-06-16	Wiseman	Record high maximum temperature	28.9 C (84.0 F)	1.7 C (3.1 F)	88	40 of 100 (Notable)
2025-06-16	Wiseman	Record high minimum temperature	12.8 C (55.0 F)	0.6 C (1.1 F)	88	37 of 100 (Notable)
2025-06-17	Aniak AP	Record high minimum temperature	18.3 C (64.9 F)	3.3 C (5.9 F)	56	47 of 100 (Notable)
2025-06-17	Wiseman	Record high maximum temperature	28.9 C (84.0 F)	3.3 C (5.9 F)	88	44 of 100 (Notable)
2025-06-18	Cordova AP	Record high maximum temperature	26.1 C (79.0 F)	1.7 C (3.1 F)	75	36 of 100 (Notable)
2025-06-18	Wiseman	Record high maximum temperature	28.9 C (84.0 F)	1.1 C (2.0 F)	76	35 of 100 (Notable)
2025-06-19	Yakataga AP	Record high maximum temperature	22.2 C (72.0 F)	5.5 C (9.9 F)	66	52 of 100 (Notable)
2025-06-19	Yakataga AP	Record high minimum temperature	12.0 C (53.6 F)	0.3 C (0.5 F)	78	42 of 100 (Notable)
2025-06-20	Yakataga AP	Record high maximum temperature	22.8 C (73.0 F)	2.8 C (5.0 F)	67	41 of 100 (Notable)
2025-06-20	Unalakleet Fld	Record high maximum temperature	28.3 C (82.9 F)	3.3 C (5.9 F)	67	35 of 100 (Notable)
2025-06-21	Yakataga AP	Record high maximum temperature	20.6 C (69.1 F)	2.8 C (5.0 F)	79	44 of 100 (Notable)
2025-06-22	Yakataga AP	Record high maximum temperature	21.7 C (71.1 F)	3.4 C (6.1 F)	74	45 of 100 (Notable)
2025-06-23	Cordova AP	Record high minimum temperature	11.7 C (53.1 F)	0.6 C (1.1 F)	99	41 of 100 (Notable)
2025-06-23	Yakataga AP	Record high maximum temperature	17.2 C (63.0 F)	1.6 C (2.9 F)	66	34 of 100 (Routine)
2025-06-24	Yakataga AP	Record high maximum temperature	16.1 C (61.0 F)	0.5 C (0.9 F)	79	33 of 100 (Routine)
2025-06-27	Yakataga AP	Record high maximum temperature	18.9 C (66.0 F)	1.7 C (3.1 F)	72	36 of 100 (Notable)
2025-06-29	Yakataga AP	Record high maximum temperature	17.8 C (64.0 F)	1.1 C (2.0 F)	72	34 of 100 (Routine)
2025-07-01	Yakataga AP	Record high maximum temperature	20.6 C (69.1 F)	2.8 C (5.0 F)	48	35 of 100 (Notable)
2025-07-02	Yakataga AP	Record high maximum temperature	21.7 C (71.1 F)	5.0 C (9.0 F)	46	45 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 131 records the event counts. The counts above use the full total.

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.

Margin (C)	Years the old record stood
5.5	66
3.3	56
3.4	74
5.0	46
3.3	88
2.8	79
0.3	78
0.6	99
2.8	67
1.7	88
0.6	88
1.7	75
1.7	72
1.1	76
2.8	48
3.3	67
3.9	58
1.1	72
1.6	66
0.5	79
0.9	72
0.5	75
0.9	68
1.0	67
1.1	66
0.6	68
1.1	66
1.1	58
1.7	48
0.5	66
1.1	60
0.5	66
2.2	56
1.1	42
0.4	58
3.3	20
1.7	44
0.5	43
1.1	39
3.9	4
2.2	20
1.7	34
0.7	40
1.1	15
1.7	31
1.1	36
1.6	4
2.8	20
1.2	36
2.8	28
1.7	6
1.7	26
1.7	26
1.1	31
3.3	20
1.0	34
0.1	39
0.6	27
0.5	18
0.6	34
1.4	20
1.1	0
2.3	20
2.2	20
1.7	20
1.2	20
1.1	20
0.5	28
1.1	20
0.6	28
1.6	20
1.7	22
1.1	20
1.3	23
2.7	12
0.6	2
1.1	10
1.1	20
1.1	20
3.3	8
0.6	26
0.1	26
0.5	23
1.1	3
2.2	12
2.3	10
0.5	20
0.5	20
2.8	8
0.5	20
0.6	20
1.7	12
0.6	20
0.6	20
0.6	20
0.6	7
0.5	23
0.1	20
1.7	0
1.2	12
1.1	12
1.1	12
2.2	8
1.6	8
1.6	8
1.1	12
0.2	19
0.6	12
0.4	12
0.6	12
1.1	4
0.6	12
1.1	8
0.5	10
0.6	12
0.5	12
0.6	10
0.5	10
0.5	12
0.5	12
0.1	12
0.2	12
0.7	8
0.3	12
0.6	4
0.2	8
0.6	4
0.5	4
0.5	4
0.6	4
0.6	4

Margin (C)	Years the old record stood
5.5	66
3.3	56
3.4	74
5.0	46
3.3	88
2.8	79
0.3	78
0.6	99
2.8	67
1.7	88
0.6	88
1.7	75
1.7	72
1.1	76
2.8	48
3.3	67
3.9	58
1.1	72
1.6	66
0.5	79
0.9	72
0.5	75
0.9	68
1.0	67
1.1	66
0.6	68
1.1	66
1.1	58
1.7	48
0.5	66
1.1	60
0.5	66
2.2	56
1.1	42
0.4	58
3.3	20
1.7	44
0.5	43
1.1	39
3.9	4
2.2	20
1.7	34
0.7	40
1.1	15
1.7	31
1.1	36
1.6	4
2.8	20
1.2	36
2.8	28
1.7	6
1.7	26
1.7	26
1.1	31
3.3	20
1.0	34
0.1	39
0.6	27
0.5	18
0.6	34
1.4	20
1.1	0
2.3	20
2.2	20
1.7	20
1.2	20
1.1	20
0.5	28
1.1	20
0.6	28
1.6	20
1.7	22
1.1	20
1.3	23
2.7	12
0.6	2
1.1	10
1.1	20
1.1	20
3.3	8
0.6	26
0.1	26
0.5	23
1.1	3
2.2	12
2.3	10
0.5	20
0.5	20
2.8	8
0.5	20
0.6	20
1.7	12
0.6	20
0.6	20
0.6	20
0.6	7
0.5	23
0.1	20
1.7	0
1.2	12
1.1	12
1.1	12
2.2	8
1.6	8
1.6	8
1.1	12
0.2	19
0.6	12
0.4	12
0.6	12
1.1	4
0.6	12
1.1	8
0.5	10
0.6	12
0.5	12
0.6	10
0.5	10
0.5	12
0.5	12
0.1	12
0.2	12
0.7	8
0.3	12
0.6	4
0.2	8
0.6	4
0.5	4
0.5	4
0.6	4
0.6	4