Muscle Shoals, Alabama · field elev 551 ft
Density Altitude at Northwest Alabama Regional (KMSL)
Northwest Alabama Regional sits at 551 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,756 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 | 42.9 | −378 ft | 52.4 | 262 ft |
| February | 46.7 | −120 ft | 56.7 | 547 ft |
| March | 54.4 | 395 ft | 65.2 | 1,102 ft |
| April | 62.9 | 953 ft | 74.4 | 1,690 ft |
| May | 71.3 | 1,493 ft | 82.1 | 2,172 ft |
| June | 78.4 | 1,941 ft | 88.9 | 2,591 ft |
| July | 81.5 | 2,135 ft | 91.6 | 2,756 ft |
| August | 80.5 | 2,073 ft | 91.2 | 2,732 ft |
| September | 74.7 | 1,709 ft | 86.1 | 2,420 ft |
| October | 63.6 | 998 ft | 75.7 | 1,772 ft |
| November | 52.5 | 269 ft | 63.8 | 1,011 ft |
| December | 45.6 | −194 ft | 55.0 | 435 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 KMSL
DENSITY ALTITUDE
Field elevation 551 ft — the air behaves like 2,780 ft.
- PRESSURE ALT
- 552 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 Alabama fields
- 9A4 — Courtland
Courtland · elev 588 ft
- M22 — Bill Pugh Field
Russellville · elev 718 ft
- 1M4 — Posey Field
Haleyville · elev 930 ft
- KDCU — Pryor Field Regional
Decatur · elev 592 ft
- 2A8 — Addison
Addison · elev 786 ft
- 5M0 — Hartselle/Morgan County Regional
Hartselle · elev 629 ft
- KHSV — Huntsville International-Carl T Jones Field
Huntsville · elev 629 ft
- KHAB — Marion County-Rankin Fite
Hamilton · elev 436 ft
Frequently asked questions
How high does density altitude get at KMSL in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Northwest Alabama Regional reaches roughly 2,756 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 KMSL on an average day?
It swings with the seasons: from roughly −378 ft at the coldest month's average temperature to about 2,135 ft at the warmest month's — all from a constant field elevation of 551 ft. The month-by-month table above carries the full year.
What is the field elevation of Northwest Alabama Regional?
551 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMSL (ICAO) / MSL (FAA), in Muscle Shoals, Alabama.