Mitchell, SD
South Dakota · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 1936
+18° from 85° normal❄ Record Low
August 11, 1902
-25° from 62° normalAll-Time Records — Mitchell
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 103°F | August 11, 1936 |
| 2 | 102°F | August 11, 1969 |
| 3 | 102°F | August 11, 1933 |
| 4 | 100°F | August 11, 1959 |
| 5 | 100°F | August 11, 1896 |
| 6 | 99°F | August 11, 1965 |
| 7 | 99°F | August 11, 1958 |
| 8 | 98°F | August 11, 1976 |
| 9 | 98°F | August 11, 1941 |
| 10 | 97°F | August 11, 1904 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 37°F | August 11, 1902 |
| 2 | 42°F | August 11, 1931 |
| 3 | 45°F | August 11, 1924 |
| 4 | 45°F | August 11, 1903 |
| 5 | 45°F | August 11, 1898 |
Heat Wave Summary — Mitchell
threshold: 96°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date131 of 222 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1894–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Mitchell
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 2, 1936 – Jul 19, 1936 | 18 | 115°F (Jul 4) | 107°F | 72°F |
| 2 | Jul 20, 1941 – Jul 30, 1941 | 11 | 108°F (Jul 23) | 101°F | 70°F |
| 3 | Jul 17, 1974 – Jul 26, 1974 | 10 | 106°F (Jul 21) | 100°F | 67°F |
| 4 | Jul 18, 1932 – Jul 27, 1932 | 10 | 104°F (Jul 19) | 100°F | 68°F |
| 5 | Jul 17, 1940 – Jul 25, 1940 | 9 | 116°F (Jul 24) | 103°F | 72°F |
| 6 | Jul 2, 1937 – Jul 10, 1937 | 9 | 108°F (Jul 6) | 99°F | 67°F |
| 7 | Jul 26, 1987 – Aug 3, 1987 | 9 | 99°F (Jul 30) | 97°F | 71°F |
| 8 | Jul 4, 1930 – Jul 11, 1930 | 8 | 110°F (Jul 11) | 104°F | 70°F |
| 9 | Jul 18, 1934 – Jul 24, 1934 | 7 | 114°F (Jul 21) | 107°F | 74°F |
| 10 | Jul 29, 1955 – Aug 4, 1955 | 7 | 107°F (Jul 31) | 103°F | 74°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
Month in Review — July 2026
Average temperature · July 2026
23rd-warmest month on record
17th-warmest July of 127 on record
+4.0° vs. 74.6° average (1991–2020)Longest 90°F Streak in July
11 consecutive days with highs of at least 90°F (Jul 10–20, 2026, peaking at 101°F)
The longest July streak since 2012 (14 years). The July record is 27 days, set in 1936.
Average July Temperature by Year
1896–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 86.5°F |
| 2 | 1935 | 82.1°F |
| 3 | 2012 | 81.7°F |
| 4 | 1955 | 80.6°F |
| 5 | 2011 | 80.3°F |
| 6 | 1930 | 80.2°F |
| 7 | 1934 | 79.6°F |
| 8 | 1966 | 79.6°F |
| 9 | 1974 | 79.4°F |
| 10 | 1901 | 79.2°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 86.5°F |
| 2 | July 1935 | 82.1°F |
| 3 | July 2012 | 81.7°F |
| 4 | July 1955 | 80.6°F |
| 5 | June 1933 | 80.4°F |
| 6 | July 2011 | 80.3°F |
| 7 | August 1937 | 80.3°F |
| 8 | July 1930 | 80.2°F |
| 9 | August 1955 | 79.7°F |
| 10 | August 1983 | 79.6°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Mitchell, SD | 78.7°F | 17th of 127 |
| Huron, SD | 78.1°F | 14th of 146 |
| Sioux Falls, SD | 77.1°F | 19th of 134 |
| Sioux City, IA | 77.3°F | 33rd of 138 |
| Norfolk, NE | 78.7°F | 18th of 128 |