St Charles Airport (LS40) Area Aviation Weather & Runway Winds
Aviation weather near St Charles Airport in Ama, LA, decoded from the nearest reporting station (KMSY) — conditions, runway crosswinds, and free Telegram airport alerts.
St Charles Airport (LS40) is a general aviation airport serving pilots in and around Ama, LA at 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. Its 2 runways (17, 35) — longest 3,900 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KMSY. Track it in the ATIS Alerts Telegram bot to get alerts read from KMSY, the station this page is based on.
No weather station at this airport — showing the nearest station KMSY, 2.7 nm away.
Wind from the southwest (230°) at 5 kt, visibility 10+ statute miles, broken clouds at 25,000 ft, temperature 29°C (84°F), altimeter 29.87 inHg. Conditions are Visual Flight Rules (VFR), ceiling 25,000 ft.
METAR KMSY 290253Z 23005KT 10SM BKN250 29/24 A2987 RMK AO2 SLP116 T02890239 53008 $
What changed at KMSY (nearest station)?
Since the 0153Z (8:53 PM CDT) report — compared automatically against the latest METAR.
- Pressure rising: altimeter 29.85 → 29.87 inHg.
This is exactly what ATIS Alerts watches for you — get a Telegram message when LS40's weather changes, free →
Current pilot readout for LS40
Based on the nearest station (KMSY), LS40 is currently VFR with winds from 230° at 5 knots, visibility 10+ statute miles, and a 25,000 ft ceiling. The strongest crosswind component is currently on runway 17, about 4 knots. Density altitude is approximately 1,750 ft (field elevation 13 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 LS40 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 LS40. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 17FAV | 3,900 ft | TURF | 3 kt tail | 4 kt left |
| 35 | 3,900 ft | TURF | 3 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 8→5 kt, ceiling unlimited → 25,000 ft.
LS40 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around St Charles Airport in Ama, 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 LS40 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 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 5,500 ft. Wind most often came from the W.
Most recent change: MVFR → VFR
- 17/35
- 100%
TAF — Terminal Aerodrome Forecast
Issued 2320Z (6:20 PM CDT)
TAF KMSY 282320Z 2900/3006 27008KT P6SM FEW050 FEW250
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- LS40
- City
- Ama
- State
- Louisiana
- Country
- United States
- Elevation
- 13 ft
- Coordinates
- 29.9519, -90.2861
- Runways
- 2
- Longest runway
- 3,900 ft
- Weather reporting
- Nearest station KMSY
- TAF
- Nearest KMSY
- Time zone
- America/Chicago
- Next sunset
- 21h 10m
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.
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.
- Churchill Air Field - Kelly Field — Westwego, LA · 6 mi
- Spillway RC Club Inc 1 — Norco, LA · 10 mi
- CCRCC - Crescent City RC Club, Inc - Hwy 18 — Edgard, LA · 19 mi
LS40 weather — frequently asked
What runways are available at LS40?+
LS40 has 2 runways — 17, 35; the longest is 3,900 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for LS40 come from?+
St Charles Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KMSY, about 3 nm away — close enough for situational awareness, but local conditions at LS40 can differ.
Does LS40 have a TAF?+
Yes — the KMSY TAF is shown on this page below the current conditions.
Does LS40 broadcast D-ATIS?+
No — LS40 does not broadcast D-ATIS. Alerts for LS40 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for St Charles Airport (LS40)
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 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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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