Circle Town County Airport (K4U6) Area Aviation Weather & Runway Winds
Aviation weather near Circle Town County Airport in Circle, MT, decoded from the nearest reporting station (KGDV) — conditions, runway crosswinds, and free Telegram airport alerts.
Circle Town County Airport (K4U6) is a general aviation airport serving pilots in and around Circle, MT at 2,426 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. Its 4 runways (03, 12, 21, 30) — longest 4,100 ft — are checked against the current wind in the crosswind table below. CTAF is 122.8. Track it in the ATIS Alerts Telegram bot to get alerts read from KGDV, the station this page is based on.
No weather station at this airport — showing the nearest station KGDV, 35.1 nm away.
Wind from the south (170°) at 8 kt, visibility 10+ statute miles, no cloud data, temperature 31°C (87°F), altimeter 29.87 inHg. Conditions are Visual Flight Rules (VFR).
METAR KGDV 290256Z AUTO 17008KT 10SM CLR 31/09 A2987 RMK AO2 SLP090 T03060089 53003 TSNO $
What changed at KGDV (nearest station)?
Since the 0156Z (7:56 PM MDT) report — compared automatically against the latest METAR.
- Wind shifted from 110° to 170° (60°).
- Pressure rising: altimeter 29.85 → 29.87 inHg.
- Temperature down 3°C.
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Current pilot readout for K4U6
Based on the nearest station (KGDV), K4U6 is currently VFR with winds from 170° at 8 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 03, about 7 knots. Density altitude is approximately 4,950 ft (field elevation 2,426 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track K4U6 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at K4U6. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 12FAV | 4,100 ft | ASPH-G | 7 kt head | 4 kt right |
| 21 | 2,280 ft | GRS | 4 kt head | 7 kt left |
| 03 | 2,280 ft | GRS | 4 kt tail | 7 kt right |
| 30 | 4,100 ft | ASPH-G | 7 kt tail | 4 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 9→8 kt, ceiling unlimited → unlimited.
K4U6 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Circle Town County Airport in Circle, MT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around K4U6 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Recent aviation weather trends at K4U6
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KGDV reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 10,000 ft. Wind most often came from the N.
- 03
- 45%
- 12
- 22%
- 30
- 21%
- 21
- 12%
TAF — Terminal Aerodrome Forecast
Issued 2320Z (5:20 PM MDT)
TAF KGDV 282320Z 2900/2924 17008KT P6SM FEW110 FM291500 VRB06KT P6SM SKC FM292000 20009KT P6SM SCT100 PROB30 2920/2923 6SM -TSRA BKN100CB BKN110 FM292300 12009KT P6SM SCT100 PROB30 2923/2924 6SM -TSRA BKN100CB
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We'll message you on Telegram when a new report moves the picture near K4U6 (Circle Town County Airport) — alerts read from KGDV, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 4U6
- City
- Circle
- State
- Montana
- Country
- United States
- Elevation
- 2,426 ft
- Coordinates
- 47.4186, -105.5620
- Runways
- 4
- Longest runway
- 4,100 ft
- Weather reporting
- Nearest station KGDV
- TAF
- Nearest KGDV
- CTAF
- 122.8 MHz
- Time zone
- America/Denver
- Next sunset
- 22h 56m
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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
K4U6 weather — frequently asked
What runways are available at K4U6?+
K4U6 has 4 runways — 03, 12, 21, 30; the longest is 4,100 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K4U6 come from?+
Circle Town County Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KGDV, about 35 nm away — close enough for situational awareness, but local conditions at K4U6 can differ.
Does K4U6 have a TAF?+
Yes — the KGDV TAF is shown on this page below the current conditions.
Does K4U6 broadcast D-ATIS?+
No — K4U6 does not broadcast D-ATIS. Alerts for K4U6 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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