Priest River, Idaho · field elev 2,193 ft
Density Altitude at Priest River (1S6)
Priest River sits at 2,193 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 4,303 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 28.0 | 641 ft | 32.2 | 932 ft |
| February | 30.8 | 835 ft | 38.3 | 1,350 ft |
| March | 38.0 | 1,330 ft | 48.1 | 2,008 ft |
| April | 45.3 | 1,822 ft | 57.3 | 2,612 ft |
| May | 54.6 | 2,436 ft | 68.3 | 3,316 ft |
| June | 60.4 | 2,812 ft | 74.2 | 3,687 ft |
| July | 67.3 | 3,253 ft | 84.2 | 4,303 ft |
| August | 66.1 | 3,177 ft | 83.4 | 4,254 ft |
| September | 57.3 | 2,612 ft | 73.2 | 3,624 ft |
| October | 45.1 | 1,808 ft | 56.0 | 2,527 ft |
| November | 34.3 | 1,077 ft | 40.2 | 1,479 ft |
| December | 27.5 | 606 ft | 31.9 | 912 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for 1S6
DENSITY ALTITUDE
Field elevation 2,193 ft — the air behaves like 4,291 ft.
- PRESSURE ALT
- 2,194 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Idaho fields
- KSZT — Sandpoint
Sandpoint · elev 2,131 ft
- 66S — Cavanaugh Bay
Coolin · elev 2,484 ft
- 67S — Priest Lake Usfs
Nordman · elev 2,611 ft
- KCOE — Coeur D'Alene
Coeur D'Alene · elev 2,320 ft
- S77 — Magee
Coeur D'Alene · elev 3,002 ft
- 65S — Boundary County
Bonners Ferry · elev 2,337 ft
- S83 — Shoshone County
Kellogg · elev 2,227 ft
- 1S1 — Eckhart International
Porthill · elev 1,758 ft
Frequently asked questions
How high does density altitude get at 1S6 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Priest River reaches roughly 4,303 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at 1S6 on an average day?
It swings with the seasons: from roughly 606 ft at the coldest month's average temperature to about 3,253 ft at the warmest month's — all from a constant field elevation of 2,193 ft. The month-by-month table above carries the full year.
What is the field elevation of Priest River?
2,193 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1S6 (FAA), in Priest River, Idaho.