Williston, ND
North Dakota · Records since 1894–2026
☀️ 89°F
Currently in Williston
As of 8:00 PM CDT
Records for July 28
🔥 Record High
104°F
July 28, 1975
+18° from 86° normal❄ Record Low
43°F
July 28, 1971
-14° from 57° normal
🌞 Normal high: 86°F 🌑 Normal low: 57°F 1991–2020 normals
All-Time Records — Williston
110°F
Hottest Day Ever
Jul 5, 1936
-50°F
Coldest Day Ever
Dec 23, 1983
4.93"
Wettest Day Ever
Jul 10, 1963
15.0"
Most Snow in One Day
Apr 13, 1986
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 104°F | July 28, 1975 |
| 2 | 103°F | July 28, 1935 |
| 3 | 100°F | July 28, 1947 |
| 4 | 99°F | July 28, 1999 |
| 5 | 99°F | July 28, 1988 |
| 6 | 99°F | July 28, 1933 |
| 7 | 98°F | July 28, 2000 |
| 8 | 98°F | July 28, 1951 |
| 9 | 98°F | July 28, 1897 |
| 10 | 97°F | July 28, 1994 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 43°F | July 28, 1971 |
| 2 | 44°F | July 28, 2009 |
| 3 | 45°F | July 28, 1899 |
| 4 | 46°F | July 28, 2004 |
| 5 | 46°F | July 28, 1925 |
Heat Wave Summary — Williston
threshold: 93°F (90th percentile of historical Jun–Aug highs)3.8
Avg heat wave length
days (historical)
100°
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
105 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1894–202613
2026 so far
20
Avg/year 1970–2025
23
Avg/year (last 10 complete)
47
Most in a year (1983)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Williston
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 11, 2003 – Aug 19, 2003 | 9 | 103°F (Aug 14) | 99°F | 69°F |
| 2 | Aug 1, 1983 – Aug 7, 1983 | 7 | 107°F (Aug 6) | 102°F | 66°F |
| 3 | Jul 21, 1931 – Jul 27, 1931 | 7 | 105°F (Jul 25) | 100°F | 67°F |
| 4 | Aug 8, 1940 – Aug 14, 1940 | 7 | 99°F (Aug 9) | 95°F | 65°F |
| 5 | Aug 7, 2018 – Aug 12, 2018 | 6 | 108°F (Aug 12) | 100°F | 58°F |
| 6 | Jun 3, 1988 – Jun 8, 1988 | 6 | 105°F (Jun 7) | 100°F | 67°F |
| 7 | Jun 23, 1936 – Jun 28, 1936 | 6 | 104°F (Jun 24) | 96°F | 63°F |
| 8 | Aug 27, 1983 – Sep 1, 1983 | 6 | 104°F (Sep 1) | 99°F | 62°F |
| 9 | Jul 24, 1933 – Jul 29, 1933 | 6 | 103°F (Jul 26) | 98°F | 64°F |
| 10 | Aug 20, 1969 – Aug 25, 1969 | 6 | 103°F (Aug 22) | 98°F | 64°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
35
2026 so far
above-normal nights
46.2
Avg / summer
1970–2020
76
Most in a summer
2021
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
7.35"
2026 YTD
Normal: 9.71"
-2.36"
0.95"
July so far
July normal: 2.48"
-1.53"
5.01"
Summer so far
Summer normal: 6.69"
-1.68"
0
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")