Kellogg, Idaho · field elev 2,227 ft
Density Altitude at Shoshone County (S83)
Shoshone County sits at 2,227 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 4,387 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 | 29.3 | 774 ft | 37.0 | 1,304 ft |
| February | 32.0 | 961 ft | 41.5 | 1,609 ft |
| March | 38.4 | 1,399 ft | 49.6 | 2,149 ft |
| April | 45.0 | 1,844 ft | 57.8 | 2,686 ft |
| May | 54.2 | 2,452 ft | 68.6 | 3,377 ft |
| June | 60.4 | 2,854 ft | 74.7 | 3,759 ft |
| July | 67.7 | 3,320 ft | 84.9 | 4,387 ft |
| August | 66.6 | 3,250 ft | 84.3 | 4,351 ft |
| September | 57.2 | 2,647 ft | 73.4 | 3,678 ft |
| October | 45.2 | 1,857 ft | 58.0 | 2,699 ft |
| November | 35.6 | 1,208 ft | 44.1 | 1,783 ft |
| December | 29.0 | 753 ft | 36.3 | 1,256 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 S83
DENSITY ALTITUDE
Field elevation 2,227 ft — the air behaves like 4,393 ft.
- PRESSURE ALT
- 2,228 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
- S77 — Magee
Coeur D'Alene · elev 3,002 ft
- S72 — Jack A Buell
St Maries · elev 2,131 ft
- KCOE — Coeur D'Alene
Coeur D'Alene · elev 2,320 ft
- KSZT — Sandpoint
Sandpoint · elev 2,131 ft
- 1S6 — Priest River
Priest River · elev 2,193 ft
- S68 — Orofino Municipal
Orofino · elev 1,005 ft
- 66S — Cavanaugh Bay
Coolin · elev 2,484 ft
- 67S — Priest Lake Usfs
Nordman · elev 2,611 ft
Frequently asked questions
How high does density altitude get at S83 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Shoshone County reaches roughly 4,387 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 S83 on an average day?
It swings with the seasons: from roughly 753 ft at the coldest month's average temperature to about 3,320 ft at the warmest month's — all from a constant field elevation of 2,227 ft. The month-by-month table above carries the full year.
What is the field elevation of Shoshone County?
2,227 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S83 (FAA), in Kellogg, Idaho.