Built 2026-10-14 (14 October 2026)

Heat wave in United States, 1 to 8 April 2024

Heat wave in United States, 1 to 8 April 2024: 263 records at 225 stations, peak on 3 April 2024. Closed.

Data as of . Last revised (2026-10-12).

Key Facts

  • Heat wave in United States, 1 to 8 April 2024 set or tied 263 station records at 225 stations.
  • It ran from 1 April 2024 to 8 April 2024 (8 days) and its peak day was 3 April 2024.
  • Status: closed.
  • Salmon AP set a daily record high minimum temperature of 5.6 C (42.1 F) on 4 April 2024.
  • The busiest day was 3 April 2024 with 67 records.
  • The oldest broken record in the ranked list had stood for 114 years.

Footprint

1 to 8 April 2024
Footprint of Heat wave in United States, 1 to 8 April 2024 The area covered by Heat wave in United States, 1 to 8 April 2024 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in United States, 1 to 8 April 2024 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in United States, 1 to 8 April 2024: stations that set records in the event
StationTypeValueDate
Salmon APRecord high minimum temperature5.6 C (42.1 F)2024-04-04
LandsburgRecord high minimum temperature11.1 C (52.0 F)2024-04-01
Dillon U of Montana WesternRecord high minimum temperature3.9 C (39.0 F)2024-04-03
Dunkirk 19NNERecord high minimum temperature5.0 C (41.0 F)2024-04-04
Buffalo Bill DamRecord high maximum temperature22.2 C (72.0 F)2024-04-05
Estes ParkRecord high minimum temperature4.4 C (39.9 F)2024-04-03
EkalakaRecord high minimum temperature6.1 C (43.0 F)2024-04-05
Moorcroft 3SRecord high minimum temperature8.9 C (48.0 F)2024-04-05
ProsserRecord high minimum temperature10.0 C (50.0 F)2024-04-03
FairfieldRecord high minimum temperature7.2 C (45.0 F)2024-04-03
LeadRecord high minimum temperature10.0 C (50.0 F)2024-04-05
Eugene-Mahlon Sweet FldRecord high maximum temperature25.6 C (78.1 F)2024-04-02
Cascade LocksRecord high maximum temperature23.9 C (75.0 F)2024-04-03
Falls City 2 SSWRecord high maximum temperature22.2 C (72.0 F)2024-04-03
Livingston APRecord high minimum temperature8.3 C (46.9 F)2024-04-03
LovellRecord high minimum temperature8.3 C (46.9 F)2024-04-06
SeasideRecord high minimum temperature11.1 C (52.0 F)2024-04-02
Saint IgnatiusRecord high minimum temperature10.0 C (50.0 F)2024-04-03
RiddleRecord high maximum temperature27.8 C (82.0 F)2024-04-03
Seeley Lake RsRecord high minimum temperature3.3 C (37.9 F)2024-04-03

Records per Day

Peak day 67
Records per day during Heat wave in United States, 1 to 8 April 2024 Records set or tied each day from 1 April 2024 to 8 April 2024. The most in one day was 67 on 3 April 2024. 0 20 40 60 80 04-0104-0204-0304-0404-0504-0604-0704-08
Records set or tied each day from 1 April 2024 to 8 April 2024. The most in one day was 67 on 3 April 2024.
Records per day during Heat wave in United States, 1 to 8 April 2024
DateRecords
2024-04-015
2024-04-0254
2024-04-0367
2024-04-0467
2024-04-0560
2024-04-067
2024-04-071
2024-04-082

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in United States, 1 to 8 April 2024 ranked by margin
Landsburg, 04-013.3 C (5.9 F)
Moorcroft 3S, 04-053.3 C (5.9 F)
Livingston AP, 04-033.3 C (5.9 F)
Lead, 04-052.8 C (5.0 F)
Salmon AP, 04-042.3 C (4.1 F)
Dunkirk 19NNE, 04-041.7 C (3.1 F)
Lovell, 04-061.6 C (2.9 F)
Seeley Lake Rs, 04-031.6 C (2.9 F)
Buffalo Bill Dam, 04-051.1 C (2.0 F)
Estes Park, 04-031.1 C (2.0 F)
Prosser, 04-031.1 C (2.0 F)
Fairfield, 04-031.1 C (2.0 F)
Saint Ignatius, 04-031.1 C (2.0 F)
Riddle, 04-031.1 C (2.0 F)
Seaside, 04-021.1 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

Margin against age of the broken record in Heat wave in United States, 1 to 8 April 2024 263 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. 0 30 60 90 120 0.02.04.06.08.0 Margin (C) Years the old record stood
263 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, 1 to 8 April 2024
Margin (C)Years the old record stood
2.3100
3.383
0.6102
1.794
1.1114
1.196
0.599
3.370
1.185
1.185
2.870
0.680
0.673
0.573
1.665
3.363
1.163
1.164
1.164
1.663
1.169
3.951
0.564
2.858
1.157
1.764
0.663
2.234
5.632
0.565
3.333
0.565
2.247
0.647
4.433
1.154
0.655
3.920
3.933
2.831
4.532
3.332
6.220
0.552
3.326
1.132
1.736
2.733
4.48
1.732
1.136
2.836
2.237
1.132
0.647
0.547
3.824
3.937
0.540
0.648
1.132
1.134
0.632
5.528
3.919
1.126
5.08
2.233
1.734
4.411
1.633
2.237
1.123
0.632
0.640
1.120
0.632
1.722
0.623
1.119
2.332
0.520
1.132
2.732
3.324
2.832
2.334
0.532
1.724
0.633
1.132
1.633
1.114
1.124
3.412
1.623
1.332
6.33
0.532
2.711
0.531
1.120
2.219
0.532
2.823
1.119
1.132
3.911
2.033
0.437
1.634
0.932
2.88
2.817
1.17
0.536
2.224
1.133
1.233
1.232
1.132
0.534
0.618
1.15
1.73
1.118
0.618
0.619
2.74
0.618
0.632
0.631
1.124
1.622
2.518
0.824
0.134
0.732
0.334
1.032
0.618
2.38
1.123
1.224
2.811
1.624
1.720
0.533
0.332
1.920
0.332
0.132
0.432
0.332
0.229
1.712
0.520
1.711
2.311
1.78
1.63
0.524
0.229
1.98
1.111
1.77
0.526
2.53
0.620
0.520
0.524
0.623
2.012
0.424
0.622
0.618
0.622
1.022
0.722
1.78
0.224
0.68
0.68
0.618
0.518
1.014
0.420
0.418
1.311
0.418
0.65
1.13
0.511
0.418
1.312
2.25
0.418
0.218
0.118
1.08

Compared With Other Events

Station records per event
Station records in Heat wave in United States, 1 to 8 April 2024 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in United States, 1 to 8 April 2024 (this event)263 records

Every Record Set

20 of 263
Every record set or tied during Heat wave in United States, 1 to 8 April 2024, in date order
DateStationRecordValueMarginYears stoodSignificance
2024-04-01LandsburgRecord high minimum temperature11.1 C (52.0 F)3.3 C (5.9 F)8345 of 100 (Notable)
2024-04-02Eugene-Mahlon Sweet FldRecord high maximum temperature25.6 C (78.1 F)0.6 C (1.1 F)8033 of 100 (Routine)
2024-04-02SeasideRecord high minimum temperature11.1 C (52.0 F)1.1 C (2.0 F)6431 of 100 (Routine)
2024-04-03Dillon U of Montana WesternRecord high minimum temperature3.9 C (39.0 F)0.6 C (1.1 F)10241 of 100 (Notable)
2024-04-03Estes ParkRecord high minimum temperature4.4 C (39.9 F)1.1 C (2.0 F)9640 of 100 (Notable)
2024-04-03ProsserRecord high minimum temperature10.0 C (50.0 F)1.1 C (2.0 F)8537 of 100 (Notable)
2024-04-03FairfieldRecord high minimum temperature7.2 C (45.0 F)1.1 C (2.0 F)8536 of 100 (Notable)
2024-04-03Cascade LocksRecord high maximum temperature23.9 C (75.0 F)0.6 C (1.1 F)7332 of 100 (Routine)
2024-04-03Falls City 2 SSWRecord high maximum temperature22.2 C (72.0 F)0.5 C (0.9 F)7332 of 100 (Routine)
2024-04-03Livingston APRecord high minimum temperature8.3 C (46.9 F)3.3 C (5.9 F)6332 of 100 (Routine)
2024-04-03Saint IgnatiusRecord high minimum temperature10.0 C (50.0 F)1.1 C (2.0 F)6331 of 100 (Routine)
2024-04-03RiddleRecord high maximum temperature27.8 C (82.0 F)1.1 C (2.0 F)6431 of 100 (Routine)
2024-04-03Seeley Lake RsRecord high minimum temperature3.3 C (37.9 F)1.6 C (2.9 F)6330 of 100 (Routine)
2024-04-04Salmon APRecord high minimum temperature5.6 C (42.1 F)2.3 C (4.1 F)10046 of 100 (Notable)
2024-04-04Dunkirk 19NNERecord high minimum temperature5.0 C (41.0 F)1.7 C (3.1 F)9441 of 100 (Notable)
2024-04-05Buffalo Bill DamRecord high maximum temperature22.2 C (72.0 F)1.1 C (2.0 F)11441 of 100 (Notable)
2024-04-05EkalakaRecord high minimum temperature6.1 C (43.0 F)0.5 C (0.9 F)9939 of 100 (Notable)
2024-04-05Moorcroft 3SRecord high minimum temperature8.9 C (48.0 F)3.3 C (5.9 F)7038 of 100 (Notable)
2024-04-05LeadRecord high minimum temperature10.0 C (50.0 F)2.8 C (5.0 F)7036 of 100 (Notable)
2024-04-06LovellRecord high minimum temperature8.3 C (46.9 F)1.6 C (2.9 F)6532 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 263 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.