Sheridan, WY
Wyoming · Records since 1907–2026
Records for August 11
🔥 Record High
August 11, 2018
+16° from 88° normal❄ Record Low
August 11, 1907
-16° from 53° normalAll-Time Records — Sheridan
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 104°F | August 11, 2018 |
| 2 | 104°F | August 11, 1983 |
| 3 | 102°F | August 11, 1982 |
| 4 | 101°F | August 11, 2003 |
| 5 | 101°F | August 11, 1940 |
| 6 | 100°F | August 11, 1996 |
| 7 | 99°F | August 11, 2015 |
| 8 | 99°F | August 11, 1988 |
| 9 | 99°F | August 11, 1942 |
| 10 | 99°F | August 11, 1928 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 37°F | August 11, 1907 |
| 2 | 39°F | August 11, 2004 |
| 3 | 39°F | August 11, 1914 |
| 4 | 40°F | August 11, 1977 |
| 5 | 40°F | August 11, 1924 |
Heat Wave Summary — Sheridan
threshold: 95°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date147 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1907–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Sheridan
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 14, 1936 – Jul 25, 1936 | 12 | 104°F (Jul 18) | 99°F | 62°F |
| 2 | Aug 2, 1983 – Aug 11, 1983 | 10 | 106°F (Aug 7) | 100°F | 64°F |
| 3 | Jun 17, 1988 – Jun 26, 1988 | 10 | 105°F (Jun 26) | 99°F | 63°F |
| 4 | Jul 2, 1936 – Jul 10, 1936 | 9 | 104°F (Jul 5) | 100°F | 61°F |
| 5 | Aug 25, 1983 – Sep 1, 1983 | 8 | 103°F (Sep 1) | 98°F | 58°F |
| 6 | Jul 21, 1931 – Jul 27, 1931 | 7 | 103°F (Jul 23) | 101°F | 60°F |
| 7 | Aug 10, 2003 – Aug 16, 2003 | 7 | 102°F (Aug 13) | 100°F | 60°F |
| 8 | Jul 11, 2002 – Jul 16, 2002 | 6 | 107°F (Jul 14) | 101°F | 59°F |
| 9 | Jul 13, 2022 – Jul 18, 2022 | 6 | 104°F (Jul 17) | 100°F | 57°F |
| 10 | Jul 18, 1960 – Jul 23, 1960 | 6 | 103°F (Jul 19) | 100°F | 64°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
3rd-warmest month on record
2nd-warmest July of 120 on record
+5.2° vs. 70.8° average (1991–2020)Longest 90°F Streak in July
6 consecutive days with highs of at least 90°F (Jul 10–15, 2026, peaking at 109°F)
The longest July streak since 2024 (2 years). The July record is 18 days, set in 1936.
Average July Temperature by Year
1907–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 77.9°F |
| 2 | 2026 | 76.1°F |
| 3 | 2007 | 75.8°F |
| 4 | 2012 | 75.8°F |
| 5 | 2006 | 75.7°F |
| 6 | 2021 | 75.6°F |
| 7 | 1954 | 75.2°F |
| 8 | 1960 | 75.1°F |
| 9 | 2002 | 74.8°F |
| 10 | 1988 | 74.5°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 77.9°F |
| 2 | August 1983 | 77.7°F |
| 3 | July 2026 | 76.1°F |
| 4 | July 2007 | 75.8°F |
| 5 | July 2012 | 75.8°F |
| 6 | July 2006 | 75.7°F |
| 7 | July 2021 | 75.6°F |
| 8 | July 1954 | 75.2°F |
| 9 | July 1960 | 75.1°F |
| 10 | July 2002 | 74.8°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Sheridan, WY | 76.1°F | 2nd of 120 |
| Billings, MT | 78.8°F | 4th of 92 |
| Casper, WY | 75.8°F | 2nd of 87 |
| Lander, WY | 76.5°F | 1st of 135 |
| Rapid City, SD | 79.3°F | 2nd of 84 |