Mobridge, SD
South Dakota · Records since 1911–2026
Records for August 11
🔥 Record High
August 11, 1959
+19° from 87° normal❄ Record Low
August 11, 1952
-17° from 61° normalAll-Time Records — Mobridge
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 106°F | August 11, 1959 |
| 2 | 106°F | August 11, 1928 |
| 3 | 103°F | August 11, 1988 |
| 4 | 102°F | August 11, 1969 |
| 5 | 101°F | August 11, 2018 |
| 6 | 101°F | August 11, 1919 |
| 7 | 100°F | August 11, 1965 |
| 8 | 100°F | August 11, 1958 |
| 9 | 99°F | August 11, 1963 |
| 10 | 98°F | August 11, 2000 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 44°F | August 11, 1952 |
| 2 | 46°F | August 11, 1977 |
| 3 | 46°F | August 11, 1951 |
| 4 | 46°F | August 11, 1912 |
| 5 | 48°F | August 11, 2004 |
Heat Wave Summary — Mobridge
threshold: 96°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date122 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1911–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Mobridge
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 2, 1936 – Jul 26, 1936 | 25 | 116°F (Jul 16) | 106°F | 72°F |
| 2 | Jul 19, 1941 – Jul 28, 1941 | 10 | 109°F (Jul 22) | 102°F | 67°F |
| 3 | Jul 17, 1934 – Jul 23, 1934 | 7 | 115°F (Jul 20) | 105°F | 70°F |
| 4 | Jul 23, 1914 – Jul 29, 1914 | 7 | 106°F (Jul 24) | 102°F | 65°F |
| 5 | Jul 31, 1930 – Aug 6, 1930 | 7 | 105°F (Aug 2) | 100°F | 63°F |
| 6 | Aug 3, 1934 – Aug 9, 1934 | 7 | 104°F (Aug 4) | 99°F | 66°F |
| 7 | Jul 10, 2026 – Jul 16, 2026 | 7 | 101°F (Jul 12) | 99°F | 70°F |
| 8 | Jul 11, 2006 – Jul 16, 2006 | 6 | 116°F (Jul 15) | 105°F | 68°F |
| 9 | Jul 25, 2006 – Jul 30, 2006 | 6 | 112°F (Jul 30) | 102°F | 67°F |
| 10 | May 27, 1934 – Jun 1, 1934 | 6 | 108°F (May 28) | 103°F | 65°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
5th-warmest month on record
4th-warmest July of 106 on record
+5.9° vs. 73.2° average (1991–2020)Longest 90°F Streak in July
8 consecutive days with highs of at least 90°F (Jul 9–16, 2026, peaking at 101°F)
The longest July streak since 2021 (5 years). The July record is 27 days, set in 1936.
Average July Temperature by Year
1912–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 86.9°F |
| 2 | 1935 | 81.1°F |
| 3 | 2006 | 80.5°F |
| 4 | 2026 | 79.0°F |
| 5 | 1914 | 79.0°F |
| 6 | 1934 | 78.8°F |
| 7 | 2021 | 78.5°F |
| 8 | 1939 | 78.4°F |
| 9 | 2012 | 78.4°F |
| 10 | 1974 | 78.3°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 86.9°F |
| 2 | July 1935 | 81.1°F |
| 3 | July 2006 | 80.5°F |
| 4 | August 1937 | 80.0°F |
| 5 | July 2026 | 79.0°F |
| 6 | July 1914 | 79.0°F |
| 7 | July 1934 | 78.8°F |
| 8 | July 2021 | 78.5°F |
| 9 | July 1939 | 78.4°F |
| 10 | July 2012 | 78.4°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Mobridge, SD | 79.0°F | 4th of 106 |
| Bismarck, ND | 77.3°F | 3rd of 152 |
| Aberdeen, SD | 75.6°F | 20th of 131 |
| Huron, SD | 78.1°F | 14th of 146 |
| Sisseton, SD | 74.5°F | 23rd of 90 |