Dworshak, ID
Idaho · Records since 1903–2026
Records for August 11
🔥 Record High
August 11, 1986
+17° from 91° normal❄ Record Low
August 11, 2004
-13° from 55° normalAll-Time Records — Dworshak
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 108°F | August 11, 1986 |
| 2 | 107°F | August 11, 1906 |
| 3 | 106°F | August 11, 1933 |
| 4 | 106°F | August 11, 1929 |
| 5 | 105°F | August 11, 1996 |
| 6 | 104°F | August 11, 1971 |
| 7 | 103°F | August 11, 1981 |
| 8 | 103°F | August 11, 1963 |
| 9 | 103°F | August 11, 1960 |
| 10 | 103°F | August 11, 1924 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 42°F | August 11, 2004 |
| 2 | 45°F | August 11, 1917 |
| 3 | 46°F | August 11, 1914 |
| 4 | 46°F | August 11, 1910 |
| 5 | 46°F | August 11, 1904 |
Heat Wave Summary — Dworshak
threshold: 100°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date142 of 209 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1903–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Dworshak
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 17, 1931 – Jul 29, 1931 | 13 | 116°F (Jul 20) | 105°F | 57°F |
| 2 | Aug 1, 1905 – Aug 12, 1905 | 12 | 108°F (Aug 6) | 103°F | 52°F |
| 3 | Jul 16, 1959 – Jul 26, 1959 | 11 | 111°F (Jul 23) | 103°F | 58°F |
| 4 | Aug 11, 1967 – Aug 21, 1967 | 11 | 107°F (Aug 18) | 104°F | 60°F |
| 5 | Aug 8, 1933 – Aug 17, 1933 | 10 | 108°F (Aug 16) | 105°F | 54°F |
| 6 | Jul 21, 1928 – Jul 29, 1928 | 9 | 114°F (Jul 26) | 109°F | 58°F |
| 7 | Jul 1, 1906 – Jul 9, 1906 | 9 | 107°F (Jul 6) | 103°F | 48°F |
| 8 | Aug 13, 1977 – Aug 21, 1977 | 9 | 104°F (Aug 19) | 102°F | 60°F |
| 9 | Jul 23, 1934 – Jul 30, 1934 | 8 | 118°F (Jul 28) | 108°F | 58°F |
| 10 | Jul 16, 1936 – Jul 23, 1936 | 8 | 112°F (Jul 21) | 106°F | 59°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
18th-warmest month on record
13th-warmest July of 121 on record
+3.4° vs. 72.5° average (1991–2020)Longest 90°F Streak in July
24 consecutive days with highs of at least 90°F (Jul 8–31, 2026, peaking at 100°F)
The longest July streak since 1985 (41 years). The July record is 31 days, set in 1920.
Average July Temperature by Year
1904–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1985 | 78.4°F |
| 2 | 2024 | 77.4°F |
| 3 | 1920 | 77.3°F |
| 4 | 2007 | 77.2°F |
| 5 | 1938 | 77.0°F |
| 6 | 1960 | 76.7°F |
| 7 | 2025 | 76.7°F |
| 8 | 1937 | 76.6°F |
| 9 | 1998 | 76.3°F |
| 10 | 1925 | 76.3°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1985 | 78.4°F |
| 2 | July 2024 | 77.4°F |
| 3 | August 1971 | 77.4°F |
| 4 | July 1920 | 77.3°F |
| 5 | July 2007 | 77.2°F |
| 6 | August 1967 | 77.2°F |
| 7 | August 1961 | 77.1°F |
| 8 | July 1938 | 77.0°F |
| 9 | August 1986 | 76.8°F |
| 10 | July 1960 | 76.7°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Dworshak, ID | 75.9°F | 13th of 121 |
| Lewiston, ID | 77.3°F | 37th of 133 |
| Pullman, WA | 68.0°F | 50th of 120 |
| Spokane, WA | 73.7°F | 19th of 146 |
| McCall, ID | 68.0°F | 6th of 103 |