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St Charles Airport (LS40) Area Aviation Weather & Runway Winds

As of 6:53 AM CDT, Oct 28, based on the nearest station (KMSY), LS40 is currently VFR with winds from 040° at 3 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near St Charles Airport in Ama, LA, decoded from the nearest reporting station (KMSY): conditions and runway crosswinds.

St Charles Airport (LS40) is a general aviation airport serving pilots in and around Ama, LA at a field elevation of 13 ft. LS40 has no weather station of its own. Conditions here are decoded from KMSY, about 3 nm away, the nearest reporting station, and local conditions can differ. It has one runway (17/35), the longest 3,900 ft. The nearest TAF is issued for KMSY.

Ask ATIS AIAsk anything about LS40's weather, runways or delays, or search another airport.
VFR
Observed 1153Z (6:53 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KMSY, 2.7 nm away.

Wind
040° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.18"
Temp / Dew
63°F / 17°C
dew 63°F / 17°C

Wind from the northeast (040°) at 3 kt, visibility 10+ statute miles, a few clouds at 1,200 ft, a few clouds at 25,000 ft, temperature 17°C (63°F), altimeter 30.18 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KMSY 281153Z 04003KT 10SM FEW012 FEW250 17/17 A3018 RMK AO2 SLP223 T01720172 10172 20156 53006

What changed at KMSY (nearest station)?

Since the 1053Z (5:53 AM CDT) report, compared automatically against the latest METAR.

No significant changes since the 1053Z (5:53 AM CDT) report, conditions are holding steady.

Current pilot readout for LS40

Based on the nearest station (KMSY), LS40 is currently VFR with winds from 040° at 3 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors north-facing runway ends (35). Density altitude is approximately -50 ft (field elevation 13 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.

RunwayHead / TailCrosswind
35FAV2 kt head2 kt right
172 kt tail2 kt left

Open the crosswind calculator to try your own wind and runway numbers →

LS40 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.

  • Runway 17/35
    3,900 × 125 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at LS40
    Wind
    17
    2 kt tailwind · 2 kt crosswind from left
    35
    2 kt headwind · 2 kt crosswind from right
    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.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061212Z00Z11Z

Over the last 23 h: wind 5→3 kt, ceiling unlimited → unlimited.

LS40 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

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.

Recent aviation weather trends at LS40

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KMSY reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 25,000 ft. Wind most often came from the NE.

Last 24 hours
VFR 100%
Wind avg/max: 3/8 kt
Max gust: -
Lowest ceiling: 25,000 ft
Lowest vis: -
Prevailing wind: NE
Category changes: 0
Last 7 days
VFR 100%
Wind avg/max: 4/11 kt
Max gust: 18 kt
Lowest ceiling: 6,000 ft
Lowest vis: 8 sm
Prevailing wind: NE
Category changes: 0
Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

35
74%
17
26%

TAF | Terminal Aerodrome Forecast

Issued 1120Z (6:20 AM CDT)

TAF KMSY 281120Z 2812/2918 00000KT P6SM FEW250 FM281600 06007KT P6SM FEW250

New to TAFs? How to read one →

Get LS40 weather alerts in Telegram

Stop refreshing aviation weather manually. Track LS40 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

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No live weather from LS40

Live crosswind meter

LS40 has no weather feed online, so the wind comes from KMSY, 2.7 nm away.

N35173 kt
Headwind
2 kt
Crosswind (from the right)
2 kt

Wind is 40° off runway 35, the end with the most headwind right now.

Have a weather station at LS40? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Turf · 3,900 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of St Charles Airport (LS40)
N ↑

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Nearby TFRs

Active FAA TFRs near LS40

FAA TFR data shows an active temporary flight restriction near LS40.

Hazard TFR
BAYOU GAUCHE, LA
Active 11.5 NM from LS40
Effective: Monday, October 26, 2026 through Friday, October 30, 2026 UTC
NOTAM: 6/2479

View all active US TFRs → · Official FAA TFR ↗

Verify with official FAA TFR sources before flight.

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Mogas (auto fuel)
Attended
Unattended
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
LS40
City
Ama
State
Louisiana
Country
United States
Elevation
13 ft
Coordinates
29.9519, -90.2861
Runways
1 physical runway · 2 runway ends
Longest runway
3,900 ft
Weather reporting
Nearest station KMSY
TAF
Nearest KMSY
Time zone
America/Chicago
Sunset in
11h 4m

Run a flight school, FBO, or club here? Embed LS40's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Louisiana airports →

Pilot PIREPs for St Charles Airport (LS40)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for St Charles 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 LS40 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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