Kewanee, Illinois · field elev 858 ft
Density Altitude at Kewanee Municipal (KEZI)
Kewanee Municipal sits at 858 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,671 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 | 21.5 | −1,490 ft | 30.0 | −887 ft |
| February | 26.0 | −1,169 ft | 35.1 | −531 ft |
| March | 37.7 | −352 ft | 48.2 | 362 ft |
| April | 49.6 | 456 ft | 61.4 | 1,234 ft |
| May | 61.4 | 1,234 ft | 72.6 | 1,952 ft |
| June | 70.6 | 1,825 ft | 81.5 | 2,510 ft |
| July | 73.5 | 2,009 ft | 84.1 | 2,671 ft |
| August | 71.2 | 1,863 ft | 82.3 | 2,559 ft |
| September | 64.0 | 1,402 ft | 76.5 | 2,198 ft |
| October | 52.1 | 622 ft | 63.8 | 1,389 ft |
| November | 38.6 | −290 ft | 48.3 | 369 ft |
| December | 27.3 | −1,077 ft | 35.7 | −490 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 KEZI
DENSITY ALTITUDE
Field elevation 858 ft — the air behaves like 2,665 ft.
- PRESSURE ALT
- 859 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
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Frequently asked questions
How high does density altitude get at KEZI in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Kewanee Municipal reaches roughly 2,671 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 KEZI on an average day?
It swings with the seasons: from roughly −1,490 ft at the coldest month's average temperature to about 2,009 ft at the warmest month's — all from a constant field elevation of 858 ft. The month-by-month table above carries the full year.
What is the field elevation of Kewanee Municipal?
858 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEZI (ICAO) / EZI (FAA), in Kewanee, Illinois.