Meadow Creek, Montana · field elev 3,993 ft
Density Altitude at Meadow Creek Usfs (0S1)
From a field elevation of 3,993 ft, a typical July afternoon at Meadow Creek Usfs (78 °F) raises density altitude to about 6,128 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 23.5 | 2,574 ft | 30.6 | 3,063 ft |
| February | 25.3 | 2,699 ft | 34.0 | 3,294 ft |
| March | 32.8 | 3,213 ft | 42.2 | 3,843 ft |
| April | 39.7 | 3,677 ft | 49.9 | 4,348 ft |
| May | 49.2 | 4,303 ft | 60.4 | 5,023 ft ▲ |
| June | 56.1 | 4,748 ft | 67.6 | 5,475 ft ▲ |
| July | 64.3 | 5,269 ft | 78.2 | 6,128 ft ▲ |
| August | 63.3 | 5,206 ft | 77.9 | 6,110 ft ▲ |
| September | 54.3 | 4,633 ft | 67.3 | 5,457 ft ▲ |
| October | 41.9 | 3,823 ft | 51.5 | 4,452 ft |
| November | 30.6 | 3,063 ft | 37.5 | 3,529 ft |
| December | 22.7 | 2,519 ft | 29.0 | 2,954 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 0S1
DENSITY ALTITUDE caution
Field elevation 3,993 ft — the air behaves like 6,116 ft.
- PRESSURE ALT
- 3,995 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 Montana fields
- 8U4 — Spotted Bear /Usfs/
Spotted Bear · elev 3,672 ft
- 8U2 — Schafer /Usfs/
Schafer · elev 4,856 ft
- S04 — Condon Usfs
Condon · elev 3,686 ft
- 53U — Ferndale Airfield
Bigfork · elev 3,072 ft
- 3U7 — Benchmark
Augusta · elev 5,434 ft
- 8S1 — Polson
Polson · elev 2,941 ft
- 7S0 — Ronan
Ronan · elev 3,086 ft
- 23S — Seeley Lake
Seeley Lake · elev 4,256 ft
Frequently asked questions
How high does density altitude get at 0S1 in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Meadow Creek Usfs reaches roughly 6,128 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 0S1 on an average day?
It swings with the seasons: from roughly 2,519 ft at the coldest month's average temperature to about 5,269 ft at the warmest month's — all from a constant field elevation of 3,993 ft. The month-by-month table above carries the full year.
What is the field elevation of Meadow Creek Usfs?
3,993 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0S1 (FAA), in Meadow Creek, Montana.