Ironwood, Michigan · field elev 1,230 ft
Density Altitude at Gogebic/Iron County (KIWD)
Gogebic/Iron County sits at 1,230 ft, and even a typical July afternoon (76 °F) only lifts density altitude to about 2,640 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 | 12.0 | −1,711 ft | 20.1 | −1,124 ft |
| February | 14.5 | −1,528 ft | 24.5 | −810 ft |
| March | 25.1 | −767 ft | 35.7 | −26 ft |
| April | 38.0 | 132 ft | 48.4 | 836 ft |
| May | 51.9 | 1,069 ft | 62.8 | 1,782 ft |
| June | 61.8 | 1,718 ft | 72.3 | 2,389 ft |
| July | 66.1 | 1,995 ft | 76.3 | 2,640 ft |
| August | 64.2 | 1,873 ft | 74.6 | 2,534 ft |
| September | 56.5 | 1,372 ft | 66.7 | 2,033 ft |
| October | 43.7 | 520 ft | 52.6 | 1,115 ft |
| November | 30.1 | −415 ft | 37.2 | 77 ft |
| December | 18.3 | −1,253 ft | 25.4 | −746 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 KIWD
DENSITY ALTITUDE
Field elevation 1,230 ft — the air behaves like 2,622 ft.
- PRESSURE ALT
- 1,231 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 Michigan fields
- KOGM — Ontonagon County/Schuster Field
Ontonagon · elev 665 ft
- 6Y9 — Prickett-Grooms Field
Sidnaw · elev 1,377 ft
- Y73 — Stambaugh
Iron River · elev 1,618 ft
- KCMX — Houghton County Meml
Hancock · elev 1,095 ft
- 50D — Iron County
Crystal Falls · elev 1,340 ft
- KIMT — Ford
Iron Mountain Kingsford · elev 1,182 ft
- M61 — Edward F Johnson
Ishpeming · elev 1,446 ft
- KSAW — Marquette/Sawyer Regional
Marquette · elev 1,205 ft
Frequently asked questions
How high does density altitude get at KIWD in summer?
On a typical July afternoon — around 76 °F at the nearest NOAA normals station — density altitude at Gogebic/Iron County reaches roughly 2,640 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 KIWD on an average day?
It swings with the seasons: from roughly −1,711 ft at the coldest month's average temperature to about 1,995 ft at the warmest month's — all from a constant field elevation of 1,230 ft. The month-by-month table above carries the full year.
What is the field elevation of Gogebic/Iron County?
1,230 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIWD (ICAO) / IWD (FAA), in Ironwood, Michigan.