1
Runway
1
Frequency
0
Procedures
0
NOTAMs
Quick Facts
ICAO
KS85
FAA
S85
Elevation
1,954 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
48.153, -104.504
Airport Information
Facility Type
AIRPORT
Elevation
1,954 ft MSL
Control Tower
No
Fuel Types
None listed
Coordinates
48.1533, -104.5040
Current Weather
METAR KSDY 201956Z AUTO 12011G18KT 10SM FEW090 24/07 A2988 RMK AO2 SLP120 T02440072 PNO $
Flight Category
VFR
Wind
120° at 11 kt G18
Visibility
10+ SM
Temperature
24.4°C
Dewpoint
7.2°C
Altimeter
1011.90 inHg
Cloud Cover
FEW
Nearest weather from KSDY (33 NM away)
Observed 2026-06-20 19:56Z
Nearby Weather Cameras
No camera at KS85. Showing nearest cameras.
Sidney Airport
West · Camera 4 · 4 cameras total
33 NM away
Wolf Point/Clayton Airport
South · Camera 3 · 4 cameras total
64 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 08/26 | 3,800 ft | 60 ft | ASP | - |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| CTAF | 122.8 | CTAF |
Active NOTAMs
No active NOTAMs for KS85.
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KS85 Operational Overview
Location & Facility
Big Sky Field (KS85) is a airport located in Culbertson, Montana, United States. The field sits at an elevation of 1,954 feet above mean sea level (MSL) at coordinates 48.1533°N, 104.5040°W.
Runways
Big Sky Field has 1 runway. The longest runway (08/26) measures 3,800 feet by 60 feet with a asp surface.
Communications & Operations
Big Sky Field is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near Big Sky Field, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at Big Sky Field is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is KS85?
KS85 is the ICAO identifier for Big Sky Field, a public-use airport located in Culbertson, Montana, United States.
How many runways does Big Sky Field have?
Big Sky Field (KS85) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KS85?
The field elevation of Big Sky Field is 1,954 feet above mean sea level (MSL).
Is fuel available at KS85?
No fuel types are currently listed for Big Sky Field. Contact the FBO directly for availability.
What are the current weather conditions at KS85?
The current flight category at Big Sky Field is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KS85?
There are currently no active NOTAMs for Big Sky Field.
How do I access complete data for KS85?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for Big Sky Field.
Where is Big Sky Field located?
Big Sky Field (KS85) is located in Culbertson, Montana, United States, at an elevation of 1,954 ft MSL.
Does KS85 have weather cameras?
KS85 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.