La Crosse, Wisconsin · field elev 655 ft
Density Altitude at La Crosse Regional (KLSE)
La Crosse Regional sits at 655 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,503 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 | 18.9 | −1,932 ft | 27.4 | −1,324 ft |
| February | 23.3 | −1,616 ft | 32.5 | −966 ft |
| March | 35.8 | −736 ft | 45.6 | −65 ft |
| April | 49.0 | 164 ft | 59.6 | 866 ft |
| May | 61.0 | 957 ft | 72.0 | 1,665 ft |
| June | 71.0 | 1,602 ft | 81.7 | 2,274 ft |
| July | 75.0 | 1,855 ft | 85.4 | 2,503 ft |
| August | 72.8 | 1,716 ft | 83.2 | 2,367 ft |
| September | 64.8 | 1,204 ft | 75.5 | 1,887 ft |
| October | 51.7 | 344 ft | 61.6 | 996 ft |
| November | 37.6 | −612 ft | 45.8 | −52 ft |
| December | 25.1 | −1,488 ft | 32.6 | −959 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 KLSE
DENSITY ALTITUDE
Field elevation 655 ft — the air behaves like 2,479 ft.
- PRESSURE ALT
- 656 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 Wisconsin fields
- KCMY — Sparta/Fort Mc Coy
Sparta · elev 839 ft
- Y51 — Viroqua Municipal
Viroqua · elev 1,292 ft
- KBCK — Black River Falls Area
Black River Falls · elev 836 ft
- Y72 — Bloyer Field
Tomah · elev 966 ft
- 60C — Elroy
Elroy · elev 944 ft
- 82C — Mauston/New Lisbon Union
New Lisbon · elev 908 ft
- KOVS — Boscobel
Boscobel · elev 673 ft
- KDAF — Necedah
Necedah · elev 919 ft
Frequently asked questions
How high does density altitude get at KLSE in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at La Crosse Regional reaches roughly 2,503 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 KLSE on an average day?
It swings with the seasons: from roughly −1,932 ft at the coldest month's average temperature to about 1,855 ft at the warmest month's — all from a constant field elevation of 655 ft. The month-by-month table above carries the full year.
What is the field elevation of La Crosse Regional?
655 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLSE (ICAO) / LSE (FAA), in La Crosse, Wisconsin.