Circle Town County Airport (K4U6) Area Aviation Weather & Runway Winds
As of 10:56 AM MDT, Oct 28, based on the nearest station (KGDV), K4U6 is currently VFR with winds from 280° at 13 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Circle Town County Airport in Circle, MT, decoded from the nearest reporting station (KGDV): conditions and runway crosswinds.
Circle Town County Airport (K4U6) is a general aviation airport serving pilots in and around Circle, MT at a field elevation of 2,441 ft. K4U6 has no weather station of its own. Conditions here are decoded from KGDV, about 35 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (03/21, 12/30), the longest 4,100 ft. CTAF is 122.8.
No weather station at this airport: showing the nearest station KGDV, 35.1 nm away.
Wind from the west (280°) at 13 kt, visibility 10+ statute miles, no cloud data, temperature 9°C (48°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR).
METAR KGDV 281656Z AUTO 28013KT 10SM CLR 09/02 A2995 RMK AO2 SLP157 T00890022 TSNO $
Current pilot readout for K4U6
Based on the nearest station (KGDV), K4U6 is currently VFR with winds from 280° at 13 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors northwest-facing runway ends (30). Density altitude is approximately 2,250 ft (field elevation 2,441 ft). Review the latest TAF below for forecast changes before departure.
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 |
|---|---|---|---|---|
| 30FAV | 4,100 ft | ASPH-G | 10 kt head | 8 kt left |
| 21 | 2,280 ft | GRS | 8 kt head | 10 kt right |
| 03 | 2,280 ft | GRS | 8 kt tail | 10 kt left |
| 12 | 4,100 ft | ASPH-G | 10 kt tail | 8 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
K4U6 runways
2 physical runways · 4 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 03/212,280 × 195 ft · GRSCurrent useno stated-runway source at K4U6Wind
- 03
- 8 kt tailwind · 10 kt crosswind from left
- 21
- 8 kt headwind · 10 kt crosswind from right
no active equipment NOTAM receivedView Runway Intelligence → - Status not monitoredRunway 12/304,100 × 75 ft · ASPH-GCurrent useno stated-runway source at K4U6Wind
- 12
- 10 kt tailwind · 8 kt crosswind from right
- 30
- 10 kt headwind · 8 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.
K4U6 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.
Pilot reports (PIREPs) within 100 NM of K4U6
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
BIS UA /OV ISN150030/TM 1617/FL350/TP A21N/TB OCNL LGT CHOP
BIS UAHeader: reporting station and UA: a routine pilot report.OV ISN150030Location: fix or navaid, optionally with a radial and distance in NM.TM 1617Reported at 16:17 UTC.FL350Altitude: 35,000 ft MSL.TP A21NAircraft type reporting.TB OCNL LGT CHOPTurbulence: occasional light chop.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at K4U6
From ATIS Alerts' hourly weather history.
History is still being collected. Check back in a few days.
Most recent change: LIFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 30
- 33%
- 21
- 24%
- 03
- 22%
- 12
- 21%
TAF | Terminal Aerodrome Forecast
Issued 1720Z (11:20 AM MDT)
TAF KGDV 281720Z 2818/2918 28015G22KT P6SM SKC FM290000 VRB06KT P6SM SKC FM291600 07010KT P6SM FEW130
New to TAFs? How to read one →
Get K4U6 weather alerts in Telegram
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Live crosswind meter
K4U6's AWOS-2 isn't in the national weather feed, so the wind comes from KGDV, 35 nm away.
Wind is 40° off runway 30, the end with the most headwind right now.
K4U6'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 · 4,100 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 03/21, 12/30 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
- Mon-Fri 0800-1700 local
- Repairs
- Airframe & engine, major
- Transient parking
- Tie-downs · Hangars
- Landing fee
- No
- Other services
- Crop dusting
- Control tower
- None
- Wind indicator
- Lighted
Airport
- Type
- General aviation airport
- FAA LID
- 4U6
- City
- Circle
- State
- Montana
- Country
- United States
- Elevation
- 2,441 ft
- Coordinates
- 47.4186, -105.5620
- Runways
- 2 physical runways · 4 runway ends
- Longest runway
- 4,100 ft
- Weather reporting
- On-field AWOS-2, not in the national feed (using KGDV)
- TAF
- Nearest KGDV
- CTAF
- 122.8 MHz
- Time zone
- America/Denver
- Sunset in
- 6h 20m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
1 airport25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
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4U6's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Circle Town County Airport (K4U6)
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 Circle Town County Airport, 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 K4U6 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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