Williston, North Dakota · field elev 2,356 ft
Density Altitude at Williston Basin International (KXWA)
Williston Basin International sits at 2,356 ft, and even a typical August afternoon (85 °F) only lifts density altitude to about 4,544 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 | 13.8 | −163 ft | 23.6 | 536 ft |
| February | 18.3 | 160 ft | 28.7 | 893 ft |
| March | 30.7 | 1,032 ft | 42.3 | 1,823 ft |
| April | 44.1 | 1,943 ft | 57.5 | 2,825 ft |
| May | 55.5 | 2,696 ft | 69.1 | 3,566 ft |
| June | 64.3 | 3,262 ft | 77.3 | 4,078 ft |
| July | 70.8 | 3,673 ft | 84.7 | 4,532 ft |
| August | 70.1 | 3,629 ft | 84.9 | 4,544 ft |
| September | 60.1 | 2,993 ft | 74.6 | 3,911 ft |
| October | 45.5 | 2,037 ft | 57.9 | 2,851 ft |
| November | 29.8 | 969 ft | 39.7 | 1,647 ft |
| December | 17.9 | 132 ft | 27.1 | 782 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 KXWA
DENSITY ALTITUDE
Field elevation 2,356 ft — the air behaves like 4,550 ft.
- PRESSURE ALT
- 2,357 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 North Dakota fields
- S25 — Watford City Municipal
Watford City · elev 2,135 ft
- D60 — Tioga Municipal
Tioga · elev 2,271 ft
- D50 — Crosby Municipal
Crosby · elev 1,953 ft
- 08D — Stanley Municipal
Stanley · elev 2,250 ft
- 05D — New Town Municipal
New Town · elev 1,924 ft
- D49 — Columbus Municipal
Columbus · elev 1,931 ft
- 9Y1 — Dunn County Weydahl Field
Killdeer · elev 2,249 ft
- Y74 — Parshall-Hankins
Parshall · elev 2,032 ft
Frequently asked questions
How high does density altitude get at KXWA in summer?
On a typical August afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Williston Basin International reaches roughly 4,544 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 KXWA on an average day?
It swings with the seasons: from roughly −163 ft at the coldest month's average temperature to about 3,673 ft at the warmest month's — all from a constant field elevation of 2,356 ft. The month-by-month table above carries the full year.
What is the field elevation of Williston Basin International?
2,356 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KXWA (ICAO) / XWA (FAA), in Williston, North Dakota.