Louis Armstrong New Orleans International Airport (KMSY) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Louis Armstrong New Orleans International Airport in New Orleans, LA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Louis Armstrong New Orleans International Airport (KMSY) is one of the primary air-carrier airports serving New Orleans, LA at 4 ft. KMSY reports its own METAR and publishes a TAF, and broadcasts digital ATIS (D-ATIS), decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 6 runways (02, 06, 11, 20), longest 10,104 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KMSY in the ATIS Alerts Telegram bot to get a message the moment the ATIS letter changes or the weather drops below your selected minimums.
Wind from the south (190°) at 8 kt, visibility 10+ statute miles, a few clouds at 3,000 ft, a few clouds at 8,000 ft, broken clouds at 23,000 ft, temperature 27°C (80°F), altimeter 29.97 inHg. Conditions are Visual Flight Rules (VFR), ceiling 23,000 ft.
METAR KMSY 122153Z 19008KT 10SM FEW030 FEW080 BKN230 27/24 A2997 RMK AO2 SLP151 T02670239 $
What changed at KMSY?
Since the 2053Z (3:53 PM CDT) report, compared automatically against the latest METAR.
No significant changes since the 2053Z report, conditions are holding steady.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KMSY's ATIS or weather changes, free →
Current pilot readout for KMSY
KMSY is currently VFR with winds from 190° at 8 knots, visibility 10+ statute miles, and a 23,000 ft ceiling. The strongest crosswind component is currently on runway 11, about 8 knots. Density altitude is approximately 1,350 ft (field elevation 4 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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D-ATIS
Digital Automatic Terminal Information Service, the live broadcast.
MSY ATIS INFO F 2153Z. 19008KT 10SM FEW030 FEW080 BKN230 27/24 A2997 (TWO NINER NINER SEVEN). RNAV RY 29 IN USE. DEPG RY 29. NOTICE TO AIRMEN. TWY, E CLSD BTWN TWY, G8 AND TWY S, TWY, S CLSD BTWN TWY, G AND RWY 11, TWY, S CLSD BTWN TWY, E AND RWY 2, TWY, S CLSD BTWN TWY, H AND RWY 20, TAXIWAY HOTEL CLOSED TO AIRCRAFT WITH WINGSPAN OF MORE THAN ONE HUNDRED AND SEVENTY ONE FEET. RWY 2 AND 20 CLSD. RY 29 ALS OTS, RY 11 SFL OTS, RWY 29 PAPI OUT OF SERVICE, ILS RWY 11 OUT OF SERVICE. RWY 29 LOC DME OUT OF SERVICE. RWY 29 GS OUT OF SERVICE. TRSSH AND MNSTR ARR EXPECT DESCEND VIA RY TRANSITIONS.WARNING RUNWAY 11/29 HAS BEEN SHORTENED AT RUNWAY 29 APPROACH END, EIGHT THOUSAND THREE HUNDRED FEET AVAILABLE.RUNWAY 29 RNAV GPS Y LNAV MDA MINIMUMS ONLY.RUNWAY 29 RNAV RNP Z APPROACH NOT AVAILABLE. BIRD ACTIVITY VICINITY ARPT. HAZD WX INFO FOR MSY AREA AVBL ON FSS FREQUENCIES. ...ADVS YOU HAVE INFO F.
Runway 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 KMSY. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 20FAV | 7,002 ft | ASP | 8 kt head | 1 kt left |
| 11 | 10,104 ft | PEM | 1 kt head | 8 kt right |
| 29 | 10,104 ft | PEM | 1 kt tail | 8 kt left |
| 02 | 7,002 ft | ASP | 8 kt tail | 1 kt right |
Open the crosswind calculator to 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 4→8 kt, ceiling 25,000 ft → 23,000 ft.
KMSY weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Louis Armstrong New Orleans International Airport in New Orleans, LA: 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 KMSY is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
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 KMSY
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
MCB UA /OV MCB183023/TM 2215/FL370/TP A319/TB NEG/RM SMOOTH ZHU
MCB UAHeader: reporting station and UA: a routine pilot report.OV MCB183023Location: fix or navaid, optionally with a radial and distance in NM.TM 2215Reported at 22:15 UTC.FL370Altitude: 37,000 ft MSL.TP A319Aircraft type reporting.TB NEGTurbulence: none reported.RM SMOOTH ZHURemarks.Show raw report
BTR UA /OV LSU150015/TM 2156/FL320/TP A21N/TB INTMT LGT CHOP/RM ZHU
BTR UAHeader: reporting station and UA: a routine pilot report.OV LSU150015Location: fix or navaid, optionally with a radial and distance in NM.TM 2156Reported at 21:56 UTC.FL320Altitude: 32,000 ft MSL.TP A21NAircraft type reporting.TB INTMT LGT CHOPTurbulence: intermittent light chop.RM ZHURemarks.Show raw report
MSY UA /OV LEV095055/TM 2138/FL370/TP A20N/SK TOP 380/TB LGT CHOP/RM ZHU
MSY UAHeader: reporting station and UA: a routine pilot report.OV LEV095055Location: fix or navaid, optionally with a radial and distance in NM.TM 2138Reported at 21:38 UTC.FL370Altitude: 37,000 ft MSL.TP A20NAircraft type reporting.SK TOP 380Sky condition: cloud bases and tops in hundreds of feet MSL.TB LGT CHOPTurbulence: light chop.RM ZHURemarks.Show raw report
HUM UA /OV TBD225025/TM 2134/FL360/TP B38M/TB INTMT LGT CHOP/RM ZHU
HUM UAHeader: reporting station and UA: a routine pilot report.OV TBD225025Location: fix or navaid, optionally with a radial and distance in NM.TM 2134Reported at 21:34 UTC.FL360Altitude: 36,000 ft MSL.TP B38MAircraft type reporting.TB INTMT LGT CHOPTurbulence: intermittent light chop.RM ZHURemarks.Show raw report
LFT UA /OV LLA115040/TM 2129/FL340/TP CR72/TB OCNL LGT/RM ZHU
LFT UAHeader: reporting station and UA: a routine pilot report.OV LLA115040Location: fix or navaid, optionally with a radial and distance in NM.TM 2129Reported at 21:29 UTC.FL340Altitude: 34,000 ft MSL.TP CR72Aircraft type reporting.TB OCNL LGTTurbulence: occasional light.RM ZHURemarks.Show raw report
MSY UA /OV LEV135015/TM 2113/FL340/TP C68A/TB LGT CHOP/RM ZHU
MSY UAHeader: reporting station and UA: a routine pilot report.OV LEV135015Location: fix or navaid, optionally with a radial and distance in NM.TM 2113Reported at 21:13 UTC.FL340Altitude: 34,000 ft MSL.TP C68AAircraft type reporting.TB LGT CHOPTurbulence: light chop.RM ZHURemarks.Show raw report
MSY UA /OV LEV085050/TM 2113/FL450/TP CL35/TB LGT CHOP/RM ZHU
MSY UAHeader: reporting station and UA: a routine pilot report.OV LEV085050Location: fix or navaid, optionally with a radial and distance in NM.TM 2113Reported at 21:13 UTC.FL450Altitude: 45,000 ft MSL.TP CL35Aircraft type reporting.TB LGT CHOPTurbulence: light chop.RM ZHURemarks.Show raw report
LFT UA /OV LFT/TM 2107/FLDURD/TP CRJ9/SK BKN042
LFT UAHeader: reporting station and UA: a routine pilot report.OV LFTLocation: fix or navaid, optionally with a radial and distance in NM.TM 2107Reported at 21:07 UTC.FLDURDReported during descent.TP CRJ9Aircraft type reporting.SK BKN042Sky condition: cloud bases and tops in hundreds of feet MSL.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KMSY
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KMSY reported mostly VFR across 30 observations, with 2 flight-category changes. The strongest gust reached 18 kt, the lowest ceiling was 2,000 ft. Wind most often came from the NW.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 20
- 32%
- 02
- 24%
- 29
- 22%
- 11
- 22%
TAF | Terminal Aerodrome Forecast
Issued 2135Z (4:35 PM CDT)
TAF KMSY 122135Z 1222/1324 18006KT P6SM FEW025 SCT050 BKN250 FM122300 VRB03KT P6SM SKC FM131500 25008KT P6SM FEW025
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Large airport
- ICAO
- KMSY
- IATA
- MSY
- FAA LID
- MSY
- City
- New Orleans
- State
- Louisiana
- Country
- United States
- Elevation
- 4 ft
- Coordinates
- 29.9934, -90.2647
- Runways
- 6
- Longest runway
- 10,104 ft
- Weather reporting
- METAR · D-ATIS
- TAF
- Published
- ATIS
- 127.55 MHz
- Time zone
- America/Chicago
- Sunset in
- 1h 38m
Run a flight school, FBO, or club here? Embed KMSY'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
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 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.
- Churchill Air Field - Kelly Field , Westwego, LA · 8 mi
- Spillway RC Club Inc 1 , Norco, LA · 10 mi
- CCRCC - Crescent City RC Club, Inc - Hwy 18 , Edgard, LA · 20 mi
Historical Flying Weather at KMSY
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KMSY reported VFR conditions during about 85.3% of valid daylight observations, with an estimated 283 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 6.7 kt, calm 12.4% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 74.0 | 14.5 | 6.3 | 5.2 |
| Feb | 69.2 | 17.5 | 7.9 | 5.3 |
| Mar | 77.6 | 15.6 | 4.1 | 2.7 |
| Apr | 80.9 | 15.3 | 3.3 | 0.6 |
| May | 89.9 | 9.2 | 0.8 | 0.1 |
| Jun | 94.3 | 5.0 | 0.6 | 0.1 |
| Jul | 95.8 | 3.5 | 0.6 | 0.1 |
| Aug | 95.3 | 4.0 | 0.7 | 0.1 |
| Sep | 92.8 | 6.1 | 1.1 | 0.1 |
| Oct | 88.8 | 8.7 | 1.9 | 0.6 |
| Nov | 82.6 | 11.0 | 4.5 | 2.0 |
| Dec | 68.6 | 16.1 | 7.8 | 7.5 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 7.8 kt |
| Feb | 8.0 kt |
| Mar | 7.9 kt |
| Apr | 8.1 kt |
| May | 6.9 kt |
| Jun | 5.8 kt |
| Jul | 5.0 kt |
| Aug | 5.2 kt |
| Sep | 5.6 kt |
| Oct | 6.6 kt |
| Nov | 6.9 kt |
| Dec | 7.2 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KMSY airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Louis Armstrong New Orleans International Airport in New Orleans, LA shows the runway and taxiway layout across 6 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KMSY weather: frequently asked
What runways are available at KMSY?+
KMSY has 6 runways: 02, 06, 11, 20, 24, 29; the longest is 10,104 ft. This page computes the live crosswind for each runway end from the current wind.
Does KMSY report its own weather?+
Yes. Louis Armstrong New Orleans International Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KMSY have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KMSY broadcast D-ATIS?+
Yes. KMSY publishes digital ATIS, and the live broadcast text with its current information letter is shown on this page. The ATIS Alerts bot (@atisalerts_bot) can message you the moment the letter changes.
Where can I find the KMSY airport diagram?+
The official FAA airport diagram for Louis Armstrong New Orleans International Airport (KMSY) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Louis Armstrong New Orleans International Airport (KMSY)
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 Louis Armstrong New Orleans International 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 KMSY 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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