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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in United States and Mexico, 22 January to 15 February 2021

Heat wave in United States and Mexico, 22 January to 15 February 2021: 940 records at 677 stations, peak on 2 February 2021. Closed.

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

Key Facts

  • Heat wave in United States and Mexico, 22 January to 15 February 2021 set or tied 940 station records at 677 stations.
  • It ran from 22 January 2021 to 15 February 2021 (25 days) and its peak day was 2 February 2021.
  • Status: closed.
  • Paradise set a daily record high maximum temperature of 21.7 C (71.1 F) on 4 February 2021.
  • The busiest day was 2 February 2021 with 226 records.
  • The oldest broken record in the ranked list had stood for 121 years.

Footprint

22 January to 15 February 2021
Footprint of Heat wave in United States and Mexico, 22 January to 15 February 2021 The area covered by Heat wave in United States and Mexico, 22 January to 15 February 2021 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in United States and Mexico, 22 January to 15 February 2021 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 and Mexico, 22 January to 15 February 2021: stations that set records in the event
StationTypeValueDate
ParadiseRecord high maximum temperature21.7 C (71.1 F)2021-02-04
Tejon RanchoRecord high maximum temperature23.9 C (75.0 F)2021-02-01
Lemon CoveRecord high maximum temperature25.0 C (77.0 F)2021-02-02
ParkerRecord high minimum temperature12.8 C (55.0 F)2021-02-02
Glasgow #2Record high maximum temperature16.1 C (61.0 F)2021-02-02
BurlingtonRecord high maximum temperature22.8 C (73.0 F)2021-02-04
BalmorheaRecord high minimum temperature13.9 C (57.0 F)2021-02-04
TooeleRecord high minimum temperature5.6 C (42.1 F)2021-01-29
PortalesRecord high minimum temperature3.3 C (37.9 F)2021-01-30
El Paso Intl APRecord high minimum temperature14.4 C (57.9 F)2021-02-04
Santa BarbaraRecord high minimum temperature15.0 C (59.0 F)2021-02-06
LacrosseRecord high minimum temperature7.8 C (46.0 F)2021-02-01
Casa GrandeRecord high maximum temperature28.3 C (82.9 F)2021-02-02
San SimonRecord high maximum temperature25.6 C (78.1 F)2021-02-03
Winslow APRecord high maximum temperature20.6 C (69.1 F)2021-02-03
BluffRecord high minimum temperature4.4 C (39.9 F)2021-02-10
KremmlingRecord high minimum temperature-3.9 C (25.0 F)2021-02-13
CordesRecord high minimum temperature9.4 C (48.9 F)2021-02-02
Mancos 1SWRecord high minimum temperature1.1 C (34.0 F)2021-02-03
WellsRecord high minimum temperature0.6 C (33.1 F)2021-02-09

Records per Day

Peak day 226
Records per day during Heat wave in United States and Mexico, 22 January to 15 February 2021 Records set or tied each day from 22 January 2021 to 15 February 2021. The most in one day was 226 on 2 February 2021. 0 63 125 188 250 01-2201-2501-2801-3102-0302-0602-0902-12
Records set or tied each day from 22 January 2021 to 15 February 2021. The most in one day was 226 on 2 February 2021.
Records per day during Heat wave in United States and Mexico, 22 January to 15 February 2021
DateRecords
2021-01-223
2021-01-238
2021-01-242
2021-01-254
2021-01-261
2021-01-272
2021-01-2830
2021-01-29100
2021-01-3020
2021-01-3115
2021-02-01108
2021-02-02226
2021-02-03155
2021-02-04118
2021-02-0518
2021-02-0635
2021-02-079
2021-02-089
2021-02-0916
2021-02-1011
2021-02-1112
2021-02-1233
2021-02-134
2021-02-151

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in United States and Mexico, 22 January to 15 February 2021 ranked by margin
El Paso Intl AP, 02-046.1 C (11.0 F)
Glasgow #2, 02-023.3 C (5.9 F)
Balmorhea, 02-043.3 C (5.9 F)
Paradise, 02-042.8 C (5.0 F)
Tejon Rancho, 02-012.8 C (5.0 F)
Burlington, 02-042.8 C (5.0 F)
Santa Barbara, 02-062.2 C (4.0 F)
Cordes, 02-022.2 C (4.0 F)
Lemon Cove, 02-021.7 C (3.1 F)
Parker, 02-021.7 C (3.1 F)
Tooele, 01-291.2 C (2.2 F)
Portales, 01-301.1 C (2.0 F)
Kremmling, 02-131.1 C (2.0 F)
Lacrosse, 02-011.1 C (2.0 F)
San Simon, 02-030.6 C (1.1 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 and Mexico, 22 January to 15 February 2021 500 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 38 75 113 150 0.03.06.09.012.0 Margin (C) Years the old record stood
500 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 and Mexico, 22 January to 15 February 2021
Margin (C)Years the old record stood
2.8114
1.7121
2.895
1.7116
2.8117
3.3112
3.394
2.287
1.1106
1.2110
6.173
0.5109
0.6116
1.1111
0.5101
1.197
0.6110
2.286
0.5114
0.6109
1.794
0.5110
0.6112
2.289
0.6110
1.196
1.194
0.599
0.697
1.196
0.596
1.187
0.596
2.386
1.186
1.187
1.186
1.293
1.687
1.185
1.185
0.587
1.781
0.587
0.687
1.287
1.776
1.186
1.776
3.968
2.760
2.270
3.358
0.586
0.686
1.176
5.659
3.067
2.767
2.276
1.670
1.167
1.176
0.575
1.667
1.768
0.678
1.768
3.969
2.864
1.664
1.862
0.668
1.168
0.671
1.168
3.959
1.667
1.768
2.263
1.667
1.168
1.259
0.667
2.859
0.667
2.856
0.567
1.160
0.668
1.168
0.771
1.558
2.258
2.258
2.867
0.560
1.659
1.668
1.768
0.664
1.767
0.568
1.167
0.558
0.558
0.558
1.258
1.158
1.168
3.353
5.633
1.159
1.164
1.163
3.825
10.625
1.758
1.164
1.164
0.862
2.248
1.758
0.558
1.758
1.758
2.258
5.523
0.659
0.659
0.658
1.158
0.667
0.658
3.445
1.159
0.559
0.558
1.164
1.759
3.956
3.459
4.518
2.734
2.350
0.654
1.759
1.158
0.564
1.658
1.153
1.758
1.159
2.845
2.259
0.658
0.558
1.159
0.264
0.656
4.433
1.159
1.158
1.159
0.658
1.259
3.945
1.758
0.659
0.562
0.557
0.161
2.745
2.245
0.558
1.659
1.259
1.833
0.259
0.558
1.252
0.558
0.658
1.156
1.156
1.756
0.560
2.854
1.150
1.159
0.553
1.158
2.345
1.739
2.253
2.850
1.150
0.659
0.654
0.224

Compared With Other Events

Station records per event
Station records in Heat wave in United States and Mexico, 22 January to 15 February 2021 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 and Mexico, 22 January to 15 February 2021 (this event)940 records

Every Record Set

20 of 940
Every record set or tied during Heat wave in United States and Mexico, 22 January to 15 February 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-01-29TooeleRecord high minimum temperature5.6 C (42.1 F)1.2 C (2.2 F)11042 of 100 (Notable)
2021-01-30PortalesRecord high minimum temperature3.3 C (37.9 F)1.1 C (2.0 F)10642 of 100 (Notable)
2021-02-01Tejon RanchoRecord high maximum temperature23.9 C (75.0 F)2.8 C (5.0 F)9544 of 100 (Notable)
2021-02-01LacrosseRecord high minimum temperature7.8 C (46.0 F)1.1 C (2.0 F)9741 of 100 (Notable)
2021-02-02Lemon CoveRecord high maximum temperature25.0 C (77.0 F)1.7 C (3.1 F)12144 of 100 (Notable)
2021-02-02ParkerRecord high minimum temperature12.8 C (55.0 F)1.7 C (3.1 F)11643 of 100 (Notable)
2021-02-02Glasgow #2Record high maximum temperature16.1 C (61.0 F)3.3 C (5.9 F)11243 of 100 (Notable)
2021-02-02Casa GrandeRecord high maximum temperature28.3 C (82.9 F)0.5 C (0.9 F)10941 of 100 (Notable)
2021-02-02CordesRecord high minimum temperature9.4 C (48.9 F)2.2 C (4.0 F)8640 of 100 (Notable)
2021-02-03San SimonRecord high maximum temperature25.6 C (78.1 F)0.6 C (1.1 F)11641 of 100 (Notable)
2021-02-03Winslow APRecord high maximum temperature20.6 C (69.1 F)0.6 C (1.1 F)11041 of 100 (Notable)
2021-02-03Mancos 1SWRecord high minimum temperature1.1 C (34.0 F)0.5 C (0.9 F)11440 of 100 (Notable)
2021-02-04ParadiseRecord high maximum temperature21.7 C (71.1 F)2.8 C (5.0 F)11446 of 100 (Notable)
2021-02-04BurlingtonRecord high maximum temperature22.8 C (73.0 F)2.8 C (5.0 F)11743 of 100 (Notable)
2021-02-04BalmorheaRecord high minimum temperature13.9 C (57.0 F)3.3 C (5.9 F)9443 of 100 (Notable)
2021-02-04El Paso Intl APRecord high minimum temperature14.4 C (57.9 F)6.1 C (11.0 F)7342 of 100 (Notable)
2021-02-06Santa BarbaraRecord high minimum temperature15.0 C (59.0 F)2.2 C (4.0 F)8742 of 100 (Notable)
2021-02-09WellsRecord high minimum temperature0.6 C (33.1 F)0.6 C (1.1 F)10940 of 100 (Notable)
2021-02-10BluffRecord high minimum temperature4.4 C (39.9 F)0.5 C (0.9 F)10141 of 100 (Notable)
2021-02-13KremmlingRecord high minimum temperature-3.9 C (25.0 F)1.1 C (2.0 F)11141 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 940 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.