Great Falls, MT
Montana · Records since 1891–2026
☀️ 92°F
Feels like 85°
Currently in Great Falls
As of 6:00 PM MDT
🔥 8° below today's record of 100°F
Records for July 28
🔥 Record High
100°F
July 28, 2007
+13° from 87° normal❄ Record Low
40°F
July 28, 1894
-13° from 53° normal
🌞 Normal high: 87°F 🌑 Normal low: 53°F 1991–2020 normals
All-Time Records — Great Falls
107°F
Hottest Day Ever
Jul 25, 1933
-49°F
Coldest Day Ever
Feb 15, 1936
3.36"
Wettest Day Ever
Jun 23, 1907
16.5"
Most Snow in One Day
Apr 20, 1973
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | July 28, 2007 |
| 2 | 100°F | July 28, 2006 |
| 3 | 100°F | July 28, 1975 |
| 4 | 100°F | July 28, 1939 |
| 5 | 100°F | July 28, 1935 |
| 6 | 99°F | July 28, 1999 |
| 7 | 97°F | July 28, 2012 |
| 8 | 97°F | July 28, 1936 |
| 9 | 97°F | July 28, 1934 |
| 10 | 96°F | July 28, 2001 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 40°F | July 28, 1894 |
| 2 | 41°F | July 28, 1918 |
| 3 | 41°F | July 28, 1892 |
| 4 | 43°F | July 28, 2023 |
| 5 | 43°F | July 28, 1930 |
Heat Wave Summary — Great Falls
threshold: 93°F (90th percentile of historical Jun–Aug highs)4.3
Avg heat wave length
days (historical)
99°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
133 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1892–202612
2026 so far
20
Avg/year 1970–2025
27
Avg/year (last 10 complete)
50
Most in a year (1919)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Great Falls
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 13, 2007 – Jul 23, 2007 | 11 | 104°F (Jul 15) | 98°F | 64°F |
| 2 | Jun 30, 1985 – Jul 10, 1985 | 11 | 101°F (Jul 5) | 98°F | 60°F |
| 3 | Jul 14, 1960 – Jul 23, 1960 | 10 | 102°F (Jul 22) | 96°F | 64°F |
| 4 | Aug 1, 1971 – Aug 9, 1971 | 9 | 101°F (Aug 5) | 98°F | 64°F |
| 5 | Jul 16, 1917 – Jul 24, 1917 | 9 | 100°F (Jul 22) | 96°F | 57°F |
| 6 | Jul 20, 1931 – Jul 27, 1931 | 8 | 103°F (Jul 21) | 100°F | 59°F |
| 7 | Jul 17, 1936 – Jul 24, 1936 | 8 | 102°F (Jul 17) | 98°F | 65°F |
| 8 | Jul 28, 2022 – Aug 4, 2022 | 8 | 101°F (Aug 1) | 96°F | 58°F |
| 9 | Jul 9, 1939 – Jul 16, 1939 | 8 | 100°F (Jul 10) | 96°F | 60°F |
| 10 | Jul 22, 2006 – Jul 29, 2006 | 8 | 100°F (Jul 28) | 97°F | 59°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
33
2026 so far
above-normal nights
50.7
Avg / summer
1970–2020
82
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
12.52"
2026 YTD
Normal: 9.78"
+2.74"
0.27"
July so far
July normal: 1.23"
-0.96"
5.21"
Summer so far
Summer normal: 5.17"
+0.04"
4
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")