Big Sky Field (KS85) Area Aviation Weather & Runway Winds
As of 6:50 AM MDT, Oct 28, based on the nearest station (KPO1), KS85 is currently VFR with winds from 220° at 12 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Big Sky Field in Culbertson, MT, decoded from the nearest reporting station (KPO1): conditions and runway crosswinds.
Big Sky Field (KS85) is a general aviation airport serving pilots in and around Culbertson, MT at a field elevation of 1,953 ft. KS85 has no weather station of its own. Conditions here are decoded from KPO1, about 27 nm away, the nearest reporting station, and local conditions can differ. It has one runway (08/26), the longest 3,800 ft. CTAF is 122.8.
No weather station at this airport: showing the nearest station KPO1, 26.5 nm away.
Wind from the southwest (220°) at 12 kt, visibility 10+ statute miles, a few clouds at 1,400 ft, temperature -1°C (30°F), altimeter 29.83 inHg. Conditions are Visual Flight Rules (VFR).
METAR KPO1 281250Z AUTO 22012KT 10SM FEW014 M01/M01 A2983 RMK AO2 TSNO
What changed at KPO1 (nearest station)?
Since the 1235Z (6:35 AM MDT) report, compared automatically against the latest METAR.
No significant changes since the 1235Z (6:35 AM MDT) report, conditions are holding steady.
Current pilot readout for KS85
Based on the nearest station (KPO1), KS85 is currently VFR with winds from 220° at 12 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors west-facing runway ends (26). Density altitude is approximately 600 ft (field elevation 1,953 ft). KS85 does not publish a TAF. The nearest TAF station is KSDY, about 30 nm away.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 26FAV | 3,800 ft | ASP | 8 kt head | 9 kt left |
| 08 | 3,800 ft | ASP | 8 kt tail | 9 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
KS85 runways
1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 08/263,800 × 60 ft · ASPCurrent useno stated-runway source at KS85Wind
- 08
- 8 kt tailwind · 9 kt crosswind from right
- 26
- 8 kt headwind · 9 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 13→12 kt, ceiling 1,000 ft → unlimited.
KS85 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Recent aviation weather trends at KS85
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KPO1 reported mostly VFR across 69 observations, with 11 flight-category changes. The strongest gust reached 19 kt, the lowest ceiling was 200 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 08
- 54%
- 26
- 46%
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Live crosswind meter
KS85's AWOS-3 isn't in the national weather feed, so the wind comes from KPO1, 27 nm away.
Wind is 50° off runway 26, the end with the most headwind right now.
KS85's AWOS isn't online yet. Help us share it with pilots: we'll show your field's live wind and crosswind on this page, free. Share your AWOS →Asphalt · 3,800 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 08/26 drawn from FAA threshold coordinates.
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Fuel
- 100LL
- Attended
- Unattended
- Transient parking
- Tie-downs
- Landing fee
- No
- Other services
- Crop dusting · Air ambulance · Annual surveying
- Control tower
- None
- Wind indicator
- Lighted
Airport
- Type
- General aviation airport
- FAA LID
- S85
- City
- Culbertson
- State
- Montana
- Country
- United States
- Elevation
- 1,953 ft
- Coordinates
- 48.1533, -104.5040
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 3,800 ft
- Weather reporting
- On-field AWOS-3, not in the national feed (using KPO1)
- TAF
- Nearest KSDY
- CTAF
- 122.8 MHz
- Time zone
- America/Denver
- Next sunset
- 10h 31m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
4 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
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S85's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Big Sky Field (KS85)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Big Sky Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KS85 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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