A very hot day occurred on June 26, 2012 across northeastern Wyoming and western South Dakota. A listing of maximum temperatures:
South Dakota |
June 26 High |
Old Record |
| Ardmore 2N | 106 (T) | 106 in 1974 |
| Buffalo | 111 | no records available |
| Custer AP | 96 | no records available |
| Edgemont* | 108 | 102 in 1980 |
| Faith AP | 103 | no records available |
| Fort Meade | 102 | 101 in 1974 |
| Hill City | 99 | 93 in 1990 |
| Hoover | 112 | no records available |
| Hot Springs | 104 (T) | 104 in 1974 |
| Lead | 96 | 94 in 1980 |
| Milesville 5ENE | 105 | 102 in 1974,1961 |
| Mission* | 101 | 99 in 1980 |
| Mission 14S* | 104 | 99 in 1970, 1961 |
| Mount Rushmore | 98 (T) | 98 in 1974 |
| Newell* | 104 | 102 in 1936, 1926 |
| NW Rapid City* | 106 | 99 in 1988 |
| Oelrichs* | 106 (T) | 106 in 1990 |
| Opal* | 103 | 99 in 1990 |
| Pactola* | 99 | 98 in 1970 |
| Philip AP | 108 | no records available |
| Pine Ridge AP | 105 | no records available |
| Rapid City AP | 109 | 105 in 1974 |
| Rapid City NWS | 106 | 101 in 1931 |
| Shadehill | 102 | no records available |
| Spearfish* | 103 | 101 in 1936 |
| Wind Cave | 99 (T) | 99 in 2007 |
| Winner AP | 100 | no records available |
Wyoming |
June 26 High |
Old Record |
| Gillette 4SE | 102 | 101 in 1980 |
| Gillette AP | 102 | no records available |
Monthly Records |
New June
|
Old Record |
| Edgemont | 108 | 104 on 6/30/2002, 6/28/1990, 6/25/1988 |
| Hill City | 99 | 96 on 6/29/2002 |
| Lead | 96 (T) | 96 on 6/29/2002 |
| NW Rapid City | 106 | 105 on 6/26/1974 |
| Pactola | 99 (T) | 99 on 6/30/2002 |
| Rapid City AP | 109 (T) | 109 on 6/29/2002 |
| Rapid City WFO | 106 | 105 on 6/28/1931 |
(T)ied previous record
* Record set on 6/27 due to observation time
Gillette 4SE set a monthly June high of 107 degrees on June 24, 2012 of 107 degrees; the previous record was 104 degrees on June 23, 1954