Chester County G O Carlson Airport (KMQS) Aviation Weather: METAR
As of 12:15 PM ET, Oct 28, KMQS is currently VFR with winds from 130° at 5 knots, visibility 10+ statute miles, and no ceiling reported.
Live aviation weather for Chester County G O Carlson Airport in Coatesville, PA, including METAR, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.
Chester County G O Carlson Airport (KMQS) is a general aviation airport serving pilots in and around Coatesville, PA at a field elevation of 660 ft. KMQS reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has one runway (11/29), the longest 5,400 ft. Automated weather is broadcast on 126.25.
Wind from the southeast (130°) at 5 kt, visibility 10+ statute miles, no cloud data, temperature 16°C (61°F), altimeter 30.43 inHg. Conditions are Visual Flight Rules (VFR).
METAR KMQS 281615Z AUTO 13005KT 10SM 16/07 A3043 RMK AO2 T01610068 $
What changed at KMQS?
Since the 1555Z (11:55 AM EDT) report, compared automatically against the latest METAR.
No significant changes since the 1555Z (11:55 AM EDT) report, conditions are holding steady.
Current pilot readout for KMQS
KMQS is currently VFR with winds from 130° at 5 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors east-facing runway ends (11). Density altitude is approximately 300 ft (field elevation 660 ft). KMQS does not publish a TAF. The nearest TAF station is KLNS, about 22 nm away.
KMQS by the numbers
What the long-run records say about flying here, computed for this airport alone.
KMQS reported VFR in 77% of daylight observations over 20 years, about 261 flyable days a year. November is the most reliable month and December the least, with IFR or worse 19% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 12% of hours) and low visibility (under 3 miles 8%).
Over 20 years of hourly winds, runway 29 had the best headwind 70% of the time, runway 11 30%, and winds were calm 33% of hours. Winds most often blow from the west-northwest. Crosswind on the best available runway topped 15 kt in under 1% of hours.
Snow fell on about 28 days a year. From December to February KMQS was IFR or worse 16% of the time, against 11% from June to August.
Fog was reported on about 55 days a year, and fog or mist on 158. May and December are the foggiest months, with fog in 13% of hours, against 7% in November.
Gusts showed up in 18% of hours, typically 7 kt above the steady wind, and the strongest credible gust on record was 49 kt. March is the windiest month (mean 7 kt) and July the calmest.
Sources: hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.
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 |
|---|---|---|---|---|
| 11FAV | 5,400 ft | ASP | 4 kt head | 2 kt right |
| 29 | 5,400 ft | ASP | 4 kt tail | 2 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
KMQS 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.
- Restricted (NOTAM)Runway 11/295,400 × 100 ft · ASPCurrent useno stated-runway source at KMQSWind
- 11
- 4 kt headwind · 2 kt crosswind from right
- 29
- 4 kt tailwind · 2 kt crosswind from left
1 active equipment NOTAMView 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 24 h: wind 3→5 kt, ceiling unlimited → unlimited.
KMQS 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 KMQS
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
IPT UA /OV 3E/TM 1538/FL016/TP SR22/RM CLOUD BASES 016 MSL
IPT UAHeader: reporting station and UA: a routine pilot report.OV 3ELocation: fix or navaid, optionally with a radial and distance in NM.TM 1538Reported at 15:38 UTC.FL016Altitude: 1,600 ft MSL.TP SR22Aircraft type reporting.RM CLOUD BASES 016 MSLRemarks.Show raw report
MDT UA /OV SEG/TM 1431/FL032/TP C56X/SK BASES017 TOPS023/TA TA 16
MDT UAHeader: reporting station and UA: a routine pilot report.OV SEGLocation: fix or navaid, optionally with a radial and distance in NM.TM 1431Reported at 14:31 UTC.FL032Altitude: 3,200 ft MSL.TP C56XAircraft type reporting.SK BASES017 TOPS023Sky condition: cloud bases and tops in hundreds of feet MSL.TA TA 16Outside air temperature, °C.Show raw report
CXY UA /OV N94 /TM 1340 /FL010 /TP P28A /SK OVC010 /RM FV 02-03SM PATCHY BR
CXY UAHeader: reporting station and UA: a routine pilot report.OV N94Location: fix or navaid, optionally with a radial and distance in NM.TM 1340Reported at 13:40 UTC.FL010Altitude: 1,000 ft MSL.TP P28AAircraft type reporting.SK OVC010Sky condition: cloud bases and tops in hundreds of feet MSL.RM FV 02-03SM PATCHY BRRemarks.Show raw report
MDT UA /OV HAR/TM 1304/FL030/TP B737/SK TOPS030
MDT UAHeader: reporting station and UA: a routine pilot report.OV HARLocation: fix or navaid, optionally with a radial and distance in NM.TM 1304Reported at 13:04 UTC.FL030Altitude: 3,000 ft MSL.TP B737Aircraft type reporting.SK TOPS030Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
SBY UA /OV KSBY/TM 1144/FLUNKN/TP E145
SBY UAHeader: reporting station and UA: a routine pilot report.OV KSBYLocation: fix or navaid, optionally with a radial and distance in NM.TM 1144Reported at 11:44 UTC.FLUNKNAltitude unknown.TP E145Aircraft type reporting.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KMQS
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KMQS reported mostly VFR across 70 observations, with 6 flight-category changes. Wind most often came from the NE.
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.
- 29
- 63%
- 11
- 37%
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Live crosswind meter
Measured by KMQS's own weather station.
Wind is 28° off runway 11, the end with the most headwind right now.
Asphalt · 5,400 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 11/29 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 · Jet A
- Attended
- Daily 0600-2200 local
- Repairs
- Airframe & engine, major
- Oxygen
- Bottled, high & low pressure · Bulk, high & low pressure
- Transient parking
- Tie-downs · Hangars
- Landing fee
- No
- Other services
- Avionics · Flight instruction · Aircraft rental · Aircraft sales
- Control tower
- None
- Wind indicator
- Lighted
Airport
- Type
- General aviation airport
- ICAO
- KMQS
- IATA
- CTH
- FAA LID
- MQS
- City
- Coatesville
- State
- Pennsylvania
- Country
- United States
- Elevation
- 660 ft
- Coordinates
- 39.9790, -75.8655
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 5,400 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KLNS
- AWOS/ASOS
- 126.25 MHz
- Time zone
- America/New_York
- Sunset in
- 5h 46m
Run a flight school, FBO, or club here? Embed KMQS's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Chester County Radio Control Club - Sisk Field , Coatesville, PA · 2 mi
- Chester County Radio Control Club - Strasburg Field , Coatesville, PA · 6 mi
- Chester County Radio Control Club - Creek Rd. , Glenmoore, PA · 9 mi
Historical Flying Weather at KMQS
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KMQS reported VFR conditions during about 77.5% of valid daylight observations, with an estimated 261 VFR flying days a year. November had the most VFR weather; December had the most instrument conditions. Surface winds averaged 5.3 kt, calm 25.2% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 77.1 | 9.0 | 3.7 | 10.3 |
| Feb | 76.5 | 7.4 | 4.1 | 11.9 |
| Mar | 76.9 | 8.5 | 4.6 | 10.0 |
| Apr | 77.9 | 9.7 | 4.9 | 7.5 |
| May | 71.3 | 10.7 | 6.8 | 11.2 |
| Jun | 79.4 | 9.4 | 4.6 | 6.6 |
| Jul | 80.2 | 9.8 | 4.7 | 5.3 |
| Aug | 79.7 | 9.1 | 4.8 | 6.4 |
| Sep | 75.8 | 9.5 | 5.8 | 9.0 |
| Oct | 73.5 | 11.5 | 5.9 | 9.1 |
| Nov | 81.9 | 8.0 | 3.3 | 6.8 |
| Dec | 70.8 | 10.2 | 4.8 | 14.2 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 6.7 kt |
| Feb | 6.7 kt |
| Mar | 7.1 kt |
| Apr | 6.7 kt |
| May | 5.1 kt |
| Jun | 4.3 kt |
| Jul | 3.5 kt |
| Aug | 3.5 kt |
| Sep | 4.0 kt |
| Oct | 4.9 kt |
| Nov | 5.9 kt |
| Dec | 6.0 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
Customize your MQS shirt or mug
MQS's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Chester County G O Carlson Airport (KMQS)
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 Chester County G O Carlson 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 KMQS 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.
No D-ATIS at this airport, showing METAR.
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