Glasgow, MT
Montana · Records since 1893–2026
☀️ 91°F
Currently in Glasgow
As of 7:00 PM MDT
Records for July 28
🔥 Record High
109°F
July 28, 1917
+21° from 88° normal❄ Record Low
39°F
July 28, 1894
-21° from 60° normal
🌞 Normal high: 88°F 🌑 Normal low: 60°F 1991–2020 normals
All-Time Records — Glasgow
113°F
Hottest Day Ever
Jul 31, 1900
-59°F
Coldest Day Ever
Feb 15, 1936
3.26"
Wettest Day Ever
Aug 25, 1933
14.1"
Most Snow in One Day
Apr 2, 1940
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 109°F | July 28, 1917 |
| 2 | 108°F | July 28, 1951 |
| 3 | 107°F | July 28, 1947 |
| 4 | 106°F | July 28, 1935 |
| 5 | 103°F | July 28, 1914 |
| 6 | 102°F | July 28, 1975 |
| 7 | 101°F | July 28, 1933 |
| 8 | 100°F | July 28, 1999 |
| 9 | 100°F | July 28, 1939 |
| 10 | 100°F | July 28, 1904 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 39°F | July 28, 1894 |
| 2 | 41°F | July 28, 1929 |
| 3 | 42°F | July 28, 1901 |
| 4 | 42°F | July 28, 1900 |
| 5 | 43°F | July 28, 1930 |
Heat Wave Summary — Glasgow
threshold: 96°F (90th percentile of historical Jun–Aug highs)3.9
Avg heat wave length
days (historical)
103°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
119 of 206 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1894–202616
2026 so far
28
Avg/year 1970–2025
33
Avg/year (last 10 complete)
66
Most in a year (1936)
Average 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
25
2026 so far
above-normal nights
34.5
Avg / summer
1970–2020
60
Most in a summer
1961
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
11.83"
2026 YTD
Normal: 9.04"
+2.79"
3.25"
July so far
July normal: 1.95"
+1.30"
6.32"
Summer so far
Summer normal: 6.05"
+0.27"
2
2026 heavy rain days
Days with ≥ 1.0"
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")