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| Station | Type | Value | Date |
|---|---|---|---|
| Paradise | Record high maximum temperature | 21.7 C (71.1 F) | 2021-02-04 |
| Tejon Rancho | Record high maximum temperature | 23.9 C (75.0 F) | 2021-02-01 |
| Lemon Cove | Record high maximum temperature | 25.0 C (77.0 F) | 2021-02-02 |
| Parker | Record high minimum temperature | 12.8 C (55.0 F) | 2021-02-02 |
| Glasgow #2 | Record high maximum temperature | 16.1 C (61.0 F) | 2021-02-02 |
| Burlington | Record high maximum temperature | 22.8 C (73.0 F) | 2021-02-04 |
| Balmorhea | Record high minimum temperature | 13.9 C (57.0 F) | 2021-02-04 |
| Tooele | Record high minimum temperature | 5.6 C (42.1 F) | 2021-01-29 |
| Portales | Record high minimum temperature | 3.3 C (37.9 F) | 2021-01-30 |
| El Paso Intl AP | Record high minimum temperature | 14.4 C (57.9 F) | 2021-02-04 |
| Santa Barbara | Record high minimum temperature | 15.0 C (59.0 F) | 2021-02-06 |
| Lacrosse | Record high minimum temperature | 7.8 C (46.0 F) | 2021-02-01 |
| Casa Grande | Record high maximum temperature | 28.3 C (82.9 F) | 2021-02-02 |
| San Simon | Record high maximum temperature | 25.6 C (78.1 F) | 2021-02-03 |
| Winslow AP | Record high maximum temperature | 20.6 C (69.1 F) | 2021-02-03 |
| Bluff | Record high minimum temperature | 4.4 C (39.9 F) | 2021-02-10 |
| Kremmling | Record high minimum temperature | -3.9 C (25.0 F) | 2021-02-13 |
| Cordes | Record high minimum temperature | 9.4 C (48.9 F) | 2021-02-02 |
| Mancos 1SW | Record high minimum temperature | 1.1 C (34.0 F) | 2021-02-03 |
| Wells | Record high minimum temperature | 0.6 C (33.1 F) | 2021-02-09 |
Records per Day
Peak day 226| Date | Records |
|---|---|
| 2021-01-22 | 3 |
| 2021-01-23 | 8 |
| 2021-01-24 | 2 |
| 2021-01-25 | 4 |
| 2021-01-26 | 1 |
| 2021-01-27 | 2 |
| 2021-01-28 | 30 |
| 2021-01-29 | 100 |
| 2021-01-30 | 20 |
| 2021-01-31 | 15 |
| 2021-02-01 | 108 |
| 2021-02-02 | 226 |
| 2021-02-03 | 155 |
| 2021-02-04 | 118 |
| 2021-02-05 | 18 |
| 2021-02-06 | 35 |
| 2021-02-07 | 9 |
| 2021-02-08 | 9 |
| 2021-02-09 | 16 |
| 2021-02-10 | 11 |
| 2021-02-11 | 12 |
| 2021-02-12 | 33 |
| 2021-02-13 | 4 |
| 2021-02-15 | 1 |
Top Records by Margin
Margin over the record replaced| El Paso Intl AP, 02-04 | |
|---|---|
| Glasgow #2, 02-02 | |
| Balmorhea, 02-04 | |
| Paradise, 02-04 | |
| Tejon Rancho, 02-01 | |
| Burlington, 02-04 | |
| Santa Barbara, 02-06 | |
| Cordes, 02-02 | |
| Lemon Cove, 02-02 | |
| Parker, 02-02 | |
| Tooele, 01-29 | |
| Portales, 01-30 | |
| Kremmling, 02-13 | |
| Lacrosse, 02-01 | |
| San Simon, 02-03 |
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 (C) | Years the old record stood |
|---|---|
| 2.8 | 114 |
| 1.7 | 121 |
| 2.8 | 95 |
| 1.7 | 116 |
| 2.8 | 117 |
| 3.3 | 112 |
| 3.3 | 94 |
| 2.2 | 87 |
| 1.1 | 106 |
| 1.2 | 110 |
| 6.1 | 73 |
| 0.5 | 109 |
| 0.6 | 116 |
| 1.1 | 111 |
| 0.5 | 101 |
| 1.1 | 97 |
| 0.6 | 110 |
| 2.2 | 86 |
| 0.5 | 114 |
| 0.6 | 109 |
| 1.7 | 94 |
| 0.5 | 110 |
| 0.6 | 112 |
| 2.2 | 89 |
| 0.6 | 110 |
| 1.1 | 96 |
| 1.1 | 94 |
| 0.5 | 99 |
| 0.6 | 97 |
| 1.1 | 96 |
| 0.5 | 96 |
| 1.1 | 87 |
| 0.5 | 96 |
| 2.3 | 86 |
| 1.1 | 86 |
| 1.1 | 87 |
| 1.1 | 86 |
| 1.2 | 93 |
| 1.6 | 87 |
| 1.1 | 85 |
| 1.1 | 85 |
| 0.5 | 87 |
| 1.7 | 81 |
| 0.5 | 87 |
| 0.6 | 87 |
| 1.2 | 87 |
| 1.7 | 76 |
| 1.1 | 86 |
| 1.7 | 76 |
| 3.9 | 68 |
| 2.7 | 60 |
| 2.2 | 70 |
| 3.3 | 58 |
| 0.5 | 86 |
| 0.6 | 86 |
| 1.1 | 76 |
| 5.6 | 59 |
| 3.0 | 67 |
| 2.7 | 67 |
| 2.2 | 76 |
| 1.6 | 70 |
| 1.1 | 67 |
| 1.1 | 76 |
| 0.5 | 75 |
| 1.6 | 67 |
| 1.7 | 68 |
| 0.6 | 78 |
| 1.7 | 68 |
| 3.9 | 69 |
| 2.8 | 64 |
| 1.6 | 64 |
| 1.8 | 62 |
| 0.6 | 68 |
| 1.1 | 68 |
| 0.6 | 71 |
| 1.1 | 68 |
| 3.9 | 59 |
| 1.6 | 67 |
| 1.7 | 68 |
| 2.2 | 63 |
| 1.6 | 67 |
| 1.1 | 68 |
| 1.2 | 59 |
| 0.6 | 67 |
| 2.8 | 59 |
| 0.6 | 67 |
| 2.8 | 56 |
| 0.5 | 67 |
| 1.1 | 60 |
| 0.6 | 68 |
| 1.1 | 68 |
| 0.7 | 71 |
| 1.5 | 58 |
| 2.2 | 58 |
| 2.2 | 58 |
| 2.8 | 67 |
| 0.5 | 60 |
| 1.6 | 59 |
| 1.6 | 68 |
| 1.7 | 68 |
| 0.6 | 64 |
| 1.7 | 67 |
| 0.5 | 68 |
| 1.1 | 67 |
| 0.5 | 58 |
| 0.5 | 58 |
| 0.5 | 58 |
| 1.2 | 58 |
| 1.1 | 58 |
| 1.1 | 68 |
| 3.3 | 53 |
| 5.6 | 33 |
| 1.1 | 59 |
| 1.1 | 64 |
| 1.1 | 63 |
| 3.8 | 25 |
| 10.6 | 25 |
| 1.7 | 58 |
| 1.1 | 64 |
| 1.1 | 64 |
| 0.8 | 62 |
| 2.2 | 48 |
| 1.7 | 58 |
| 0.5 | 58 |
| 1.7 | 58 |
| 1.7 | 58 |
| 2.2 | 58 |
| 5.5 | 23 |
| 0.6 | 59 |
| 0.6 | 59 |
| 0.6 | 58 |
| 1.1 | 58 |
| 0.6 | 67 |
| 0.6 | 58 |
| 3.4 | 45 |
| 1.1 | 59 |
| 0.5 | 59 |
| 0.5 | 58 |
| 1.1 | 64 |
| 1.7 | 59 |
| 3.9 | 56 |
| 3.4 | 59 |
| 4.5 | 18 |
| 2.7 | 34 |
| 2.3 | 50 |
| 0.6 | 54 |
| 1.7 | 59 |
| 1.1 | 58 |
| 0.5 | 64 |
| 1.6 | 58 |
| 1.1 | 53 |
| 1.7 | 58 |
| 1.1 | 59 |
| 2.8 | 45 |
| 2.2 | 59 |
| 0.6 | 58 |
| 0.5 | 58 |
| 1.1 | 59 |
| 0.2 | 64 |
| 0.6 | 56 |
| 4.4 | 33 |
| 1.1 | 59 |
| 1.1 | 58 |
| 1.1 | 59 |
| 0.6 | 58 |
| 1.2 | 59 |
| 3.9 | 45 |
| 1.7 | 58 |
| 0.6 | 59 |
| 0.5 | 62 |
| 0.5 | 57 |
| 0.1 | 61 |
| 2.7 | 45 |
| 2.2 | 45 |
| 0.5 | 58 |
| 1.6 | 59 |
| 1.2 | 59 |
| 1.8 | 33 |
| 0.2 | 59 |
| 0.5 | 58 |
| 1.2 | 52 |
| 0.5 | 58 |
| 0.6 | 58 |
| 1.1 | 56 |
| 1.1 | 56 |
| 1.7 | 56 |
| 0.5 | 60 |
| 2.8 | 54 |
| 1.1 | 50 |
| 1.1 | 59 |
| 0.5 | 53 |
| 1.1 | 58 |
| 2.3 | 45 |
| 1.7 | 39 |
| 2.2 | 53 |
| 2.8 | 50 |
| 1.1 | 50 |
| 0.6 | 59 |
| 0.6 | 54 |
| 0.2 | 24 |
Compared With Other Events
Station records per event| Heat wave in United States and Mexico, 16 January to 14 February 2024 | |
|---|---|
| Heat wave in United States, 28 January to 24 February 2026 | |
| Heat wave in United States and Mexico, 24 May to 19 June 2020 | |
| Heat wave in United States and Mexico, 26 March to 17 April 2021 | |
| Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022 | |
| Heat wave in United States and Mexico, 22 January to 15 February 2021 (this event) |
Every Record Set
20 of 940| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2021-01-29 | Tooele | Record high minimum temperature | 5.6 C (42.1 F) | 1.2 C (2.2 F) | 110 | 42 of 100 (Notable) |
| 2021-01-30 | Portales | Record high minimum temperature | 3.3 C (37.9 F) | 1.1 C (2.0 F) | 106 | 42 of 100 (Notable) |
| 2021-02-01 | Tejon Rancho | Record high maximum temperature | 23.9 C (75.0 F) | 2.8 C (5.0 F) | 95 | 44 of 100 (Notable) |
| 2021-02-01 | Lacrosse | Record high minimum temperature | 7.8 C (46.0 F) | 1.1 C (2.0 F) | 97 | 41 of 100 (Notable) |
| 2021-02-02 | Lemon Cove | Record high maximum temperature | 25.0 C (77.0 F) | 1.7 C (3.1 F) | 121 | 44 of 100 (Notable) |
| 2021-02-02 | Parker | Record high minimum temperature | 12.8 C (55.0 F) | 1.7 C (3.1 F) | 116 | 43 of 100 (Notable) |
| 2021-02-02 | Glasgow #2 | Record high maximum temperature | 16.1 C (61.0 F) | 3.3 C (5.9 F) | 112 | 43 of 100 (Notable) |
| 2021-02-02 | Casa Grande | Record high maximum temperature | 28.3 C (82.9 F) | 0.5 C (0.9 F) | 109 | 41 of 100 (Notable) |
| 2021-02-02 | Cordes | Record high minimum temperature | 9.4 C (48.9 F) | 2.2 C (4.0 F) | 86 | 40 of 100 (Notable) |
| 2021-02-03 | San Simon | Record high maximum temperature | 25.6 C (78.1 F) | 0.6 C (1.1 F) | 116 | 41 of 100 (Notable) |
| 2021-02-03 | Winslow AP | Record high maximum temperature | 20.6 C (69.1 F) | 0.6 C (1.1 F) | 110 | 41 of 100 (Notable) |
| 2021-02-03 | Mancos 1SW | Record high minimum temperature | 1.1 C (34.0 F) | 0.5 C (0.9 F) | 114 | 40 of 100 (Notable) |
| 2021-02-04 | Paradise | Record high maximum temperature | 21.7 C (71.1 F) | 2.8 C (5.0 F) | 114 | 46 of 100 (Notable) |
| 2021-02-04 | Burlington | Record high maximum temperature | 22.8 C (73.0 F) | 2.8 C (5.0 F) | 117 | 43 of 100 (Notable) |
| 2021-02-04 | Balmorhea | Record high minimum temperature | 13.9 C (57.0 F) | 3.3 C (5.9 F) | 94 | 43 of 100 (Notable) |
| 2021-02-04 | El Paso Intl AP | Record high minimum temperature | 14.4 C (57.9 F) | 6.1 C (11.0 F) | 73 | 42 of 100 (Notable) |
| 2021-02-06 | Santa Barbara | Record high minimum temperature | 15.0 C (59.0 F) | 2.2 C (4.0 F) | 87 | 42 of 100 (Notable) |
| 2021-02-09 | Wells | Record high minimum temperature | 0.6 C (33.1 F) | 0.6 C (1.1 F) | 109 | 40 of 100 (Notable) |
| 2021-02-10 | Bluff | Record high minimum temperature | 4.4 C (39.9 F) | 0.5 C (0.9 F) | 101 | 41 of 100 (Notable) |
| 2021-02-13 | Kremmling | Record high minimum temperature | -3.9 C (25.0 F) | 1.1 C (2.0 F) | 111 | 41 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.