Glasgow, MT
Montana · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 2018
+20° from 87° normal❄ Record Low
August 11, 1916
-21° from 59° normalAll-Time Records — Glasgow
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 107°F | August 11, 2018 |
| 2 | 104°F | August 11, 1897 |
| 3 | 102°F | August 11, 1983 |
| 4 | 100°F | August 11, 2003 |
| 5 | 100°F | August 11, 1984 |
| 6 | 100°F | August 11, 1955 |
| 7 | 100°F | August 11, 1942 |
| 8 | 99°F | August 11, 1998 |
| 9 | 99°F | August 11, 1996 |
| 10 | 99°F | August 11, 1940 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 38°F | August 11, 1916 |
| 2 | 39°F | August 11, 1952 |
| 3 | 40°F | August 11, 1977 |
| 4 | 41°F | August 11, 1924 |
| 5 | 43°F | August 11, 2004 |
Heat Wave Summary — Glasgow
threshold: 96°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date127 of 221 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 — Glasgow
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 14, 1936 – Jul 25, 1936 | 12 | 112°F (Jul 18) | 103°F | 65°F |
| 2 | Jul 2, 1936 – Jul 11, 1936 | 10 | 108°F (Jul 5) | 102°F | 64°F |
| 3 | Jul 18, 2024 – Jul 25, 2024 | 8 | 109°F (Jul 24) | 99°F | 68°F |
| 4 | Jul 24, 1926 – Jul 31, 1926 | 8 | 107°F (Jul 30) | 100°F | 61°F |
| 5 | Jul 15, 1901 – Jul 22, 1901 | 8 | 103°F (Jul 21) | 99°F | 54°F |
| 6 | Jul 23, 1929 – Jul 29, 1929 | 7 | 108°F (Jul 24) | 102°F | 56°F |
| 7 | Jun 22, 1936 – Jun 28, 1936 | 7 | 107°F (Jun 27) | 101°F | 62°F |
| 8 | Jul 21, 1931 – Jul 27, 1931 | 7 | 106°F (Jul 23) | 101°F | 62°F |
| 9 | Jul 26, 1914 – Aug 1, 1914 | 7 | 103°F (Jul 28) | 99°F | 63°F |
| 10 | Jun 20, 1900 – Jun 25, 1900 | 6 | 109°F (Jun 22) | 103°F | 66°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
16th-warmest month on record
11th-warmest July of 129 on record
+4.0° vs. 71.4° average (1991–2020)Longest 90°F Streak in July
7 consecutive days with highs of at least 90°F (Jul 23–29, 2026, peaking at 102°F)
The longest July streak since 2024 (2 years). The July record is 18 days, set in 1936.
Average July Temperature by Year
1894–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1936 | 81.2°F |
| 2 | 2021 | 79.2°F |
| 3 | 2007 | 78.4°F |
| 4 | 2017 | 77.2°F |
| 5 | 2006 | 77.2°F |
| 6 | 2024 | 76.8°F |
| 7 | 1947 | 76.5°F |
| 8 | 2012 | 76.2°F |
| 9 | 2022 | 75.6°F |
| 10 | 1960 | 75.5°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1936 | 81.2°F |
| 2 | July 2021 | 79.2°F |
| 3 | July 2007 | 78.4°F |
| 4 | July 2017 | 77.2°F |
| 5 | July 2006 | 77.2°F |
| 6 | August 1971 | 77.2°F |
| 7 | August 2022 | 77.1°F |
| 8 | July 2024 | 76.8°F |
| 9 | June 1988 | 76.8°F |
| 10 | August 1983 | 76.5°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Glasgow, MT | 75.4°F | 11th of 129 |
| Williston, ND | 74.0°F | 14th of 130 |
| Havre, MT | 73.8°F | 10th of 146 |
| Billings, MT | 78.8°F | 4th of 92 |
| Great Falls, MT | 72.1°F | 21st of 133 |