American Falls, ID
Idaho · Records since 1892–2025
☁️ 83°F
Feels like 80°
Currently in American Falls
As of 6:00 PM MDT
Records for July 28
🔥 Record High
102°F
July 28, 1925
+10° from 92° normal❄ Record Low
23°F
July 28, 1903
-35° from 58° normal
🌞 Normal high: 92°F 🌑 Normal low: 58°F 1991–2020 normals
All-Time Records — American Falls
106°F
Hottest Day Ever
Jul 14, 1925
-38°F
Coldest Day Ever
Jan 25, 1949
2.16"
Wettest Day Ever
Jun 10, 2024
17.0"
Most Snow in One Day
Jan 26, 1897
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 102°F | July 28, 1925 |
| 2 | 99°F | July 28, 1975 |
| 3 | 99°F | July 28, 1912 |
| 4 | 98°F | July 28, 1987 |
| 5 | 98°F | July 28, 1923 |
| 6 | 98°F | July 28, 1898 |
| 7 | 98°F | July 28, 1897 |
| 8 | 97°F | July 28, 1992 |
| 9 | 97°F | July 28, 1991 |
| 10 | 97°F | July 28, 1895 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 23°F | July 28, 1903 |
| 2 | 34°F | July 28, 1911 |
| 3 | 38°F | July 28, 1894 |
| 4 | 40°F | July 28, 1917 |
| 5 | 43°F | July 28, 2015 |
Heat Wave Summary — American Falls
threshold: 95°F (90th percentile of historical Jun–Aug highs)4.5
Avg heat wave length
days (historical)
99°
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
0 of 0 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1893–20260
2026 so far
31
Avg/year 1970–2025
40
Avg/year (last 10 complete)
69
Most in a year (1919)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — American Falls
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 3, 1915 – Aug 21, 1915 | 19 | 99°F (Aug 5) | 97°F | 50°F |
| 2 | Jul 1, 1917 – Jul 17, 1917 | 17 | 102°F (Jul 8) | 98°F | 46°F |
| 3 | Jul 15, 1901 – Jul 26, 1901 | 12 | 103°F (Jul 22) | 98°F | 54°F |
| 4 | Jun 19, 1919 – Jun 28, 1919 | 10 | 101°F (Jun 25) | 98°F | 44°F |
| 5 | Jul 18, 2013 – Jul 27, 2013 | 10 | 100°F (Jul 19) | 97°F | 59°F |
| 6 | Jul 2, 2017 – Jul 10, 2017 | 9 | 103°F (Jul 6) | 99°F | 59°F |
| 7 | Jul 12, 1925 – Jul 19, 1925 | 8 | 106°F (Jul 14) | 102°F | 61°F |
| 8 | Jun 8, 1918 – Jun 15, 1918 | 8 | 103°F (Jun 13) | 99°F | 57°F |
| 9 | Jun 27, 2013 – Jul 4, 2013 | 8 | 101°F (Jun 29) | 99°F | 62°F |
| 10 | Jun 27, 2015 – Jul 4, 2015 | 8 | 99°F (Jun 27) | 98°F | 63°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
0
2026 so far
above-normal nights
35.9
Avg / summer
1970–2020
70
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
0.00"
2026 YTD
Normal: 7.09"
-7.09"
0.00"
July so far
July normal: 0.53"
-0.53"
0.00"
Summer so far
Summer normal: 2.17"
-2.17"
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")