Tercio Ranch Airstrip (3CO4) Area Aviation Weather & Runway Winds
Aviation weather near Tercio Ranch Airstrip in Stonewall, CO, decoded from the nearest reporting station (KRTN) — conditions, runway crosswinds, and free Telegram airport alerts.
Tercio Ranch Airstrip (3CO4) is a general aviation airport serving pilots in and around Stonewall, CO at 7,957 ft. 3CO4 has no weather station of its own — conditions here are decoded from KRTN, about 32 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (13, 31) — longest 3,700 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KALS. Track it in the ATIS Alerts Telegram bot to get alerts read from KRTN, the station this page is based on.
No weather station at this airport — showing the nearest station KRTN, 31.7 nm away.
Wind from the north-northeast (020°) at 6 kt, visibility 10+ statute miles, broken clouds at 10,000 ft, temperature 19°C (67°F), altimeter 30.27 inHg. Conditions are Visual Flight Rules (VFR), ceiling 10,000 ft.
METAR KRTN 290553Z AUTO 02006KT 10SM BKN100 19/14 A3027 RMK AO2 LTG DSNT N SLP140 60000 T01940139 10322 20194 53014
What changed at KRTN (nearest station)?
Since the 0453Z (10:53 PM MDT) report — compared automatically against the latest METAR.
- Wind direction moved from 070° to 020°.
- Wind speed down from 12 to 6 kt.
- A ceiling formed at 10,000 ft.
- Pressure rising: altimeter 30.24 → 30.27 inHg.
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Current pilot readout for 3CO4
Based on the nearest station (KRTN), 3CO4 is currently VFR with winds from 020° at 6 knots, visibility 10+ statute miles, and a 10,000 ft ceiling. The strongest crosswind component is currently on runway 31, about 3 knots. Density altitude is approximately 9,950 ft (field elevation 7,957 ft). 3CO4 does not publish a TAF — the nearest TAF station is KALS, about 46 nm away.
⚠️ 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 3CO4 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 3CO4. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 13FAV | 3,700 ft | TURF-G | 6 kt head | 2 kt right |
| 31 | 3,700 ft | TURF-G | 5 kt head | 3 kt right |
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 19→6 kt, ceiling 9,500 ft → 10,000 ft.
3CO4 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Tercio Ranch Airstrip in Stonewall, CO: 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 3CO4 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.
Pilot reports (PIREPs) within 100 NM of 3CO4
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
PUB UA /OV KPUB/TM 0226/FL051/TP J328/WX -RA/TB NEG
PUB UAHeader — reporting station and UA: a routine pilot report.OV KPUBLocation — fix or navaid, optionally with a radial and distance in NM.TM 0226Reported at 02:26 UTC.FL051Altitude: 5,100 ft MSL.TP J328Aircraft type reporting.WX -RAWeather and flight visibility observed.TB NEGTurbulence: none reported.Show raw report
RTN UA /OV CIM090020/TM 0200/FL310/TP FA50/TB OCNL LT MOD CHOP/RM ZAB FDCS
RTN UAHeader — reporting station and UA: a routine pilot report.OV CIM090020Location — fix or navaid, optionally with a radial and distance in NM.TM 0200Reported at 02:00 UTC.FL310Altitude: 31,000 ft MSL.TP FA50Aircraft type reporting.TB OCNL LT MOD CHOPTurbulence: occasional lt moderate chop.RM ZAB FDCSRemarks.Show raw report
DEN UA /OV PUB040005/TM 0122/FL080/TP BE99/TB NEG
DEN UAHeader — reporting station and UA: a routine pilot report.OV PUB040005Location — fix or navaid, optionally with a radial and distance in NM.TM 0122Reported at 01:22 UTC.FL080Altitude: 8,000 ft MSL.TP BE99Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
PUB UA /OV PUB258009/TM 0108/FL075/TP J328/TB LGT 075
PUB UAHeader — reporting station and UA: a routine pilot report.OV PUB258009Location — fix or navaid, optionally with a radial and distance in NM.TM 0108Reported at 01:08 UTC.FL075Altitude: 7,500 ft MSL.TP J328Aircraft type reporting.TB LGT 075Turbulence: light 075.Show raw report
LAA UA /OV LAA250042/TM 0103/FL450/TP GLF4/TB CONS MOD/RM CONS MOD FL450-430 RIDE IMPROVED LAA EASTBOUND ZDVWC-28
LAA UAHeader — reporting station and UA: a routine pilot report.OV LAA250042Location — fix or navaid, optionally with a radial and distance in NM.TM 0103Reported at 01:03 UTC.FL450Altitude: 45,000 ft MSL.TP GLF4Aircraft type reporting.TB CONS MODTurbulence: continuous moderate.RM CONS MOD FL450-430 RIDE I…Remarks.Show raw report
PUB UA /OV PUB110030/TM 0049/FL450/TP GLF4/TB MOD/RM ZDVWC
PUB UAHeader — reporting station and UA: a routine pilot report.OV PUB110030Location — fix or navaid, optionally with a radial and distance in NM.TM 0049Reported at 00:49 UTC.FL450Altitude: 45,000 ft MSL.TP GLF4Aircraft type reporting.TB MODTurbulence: moderate.RM ZDVWCRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at 3CO4
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KRTN reported mostly VFR across 31 observations, with 0 flight-category changes. The strongest gust reached 28 kt, the lowest ceiling was 9,000 ft. Wind most often came from the NE.
- 13/31
- 100%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 3CO4
- City
- Stonewall
- State
- Colorado
- Country
- United States
- Elevation
- 7,957 ft
- Coordinates
- 37.0709, -105.0190
- Runways
- 2
- Longest runway
- 3,700 ft
- Weather reporting
- Nearest station KRTN
- TAF
- Nearest KALS
- Time zone
- America/Denver
- Next sunset
- 19h 28m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
2 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
3CO4 weather — frequently asked
What runways are available at 3CO4?+
3CO4 has 2 runways — 13, 31; the longest is 3,700 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 3CO4 come from?+
Tercio Ranch Airstrip does not have its own weather station. Conditions shown here come from the nearest reporting station, KRTN, about 32 nm away — close enough for situational awareness, but local conditions at 3CO4 can differ.
Does 3CO4 have a TAF?+
No — 3CO4 does not publish its own TAF. The nearest TAF station is KALS, about 46 nm away.
Does 3CO4 broadcast D-ATIS?+
No — 3CO4 does not broadcast D-ATIS. Alerts for 3CO4 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Tercio Ranch Airstrip (3CO4)
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 Tercio Ranch Airstrip, 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 3CO4 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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