Henry Post Army Air Field (KFSI) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Henry Post Army Air Field in Fort Sill, OK, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Henry Post Army Air Field (KFSI) is a regional airport serving Fort Sill, OK at 1,189 ft. KFSI reports its own METAR — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (18, 36) — longest 5,002 ft — are checked against the current wind in the crosswind table below. ATIS is broadcast on 135.425. Track KFSI in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the southeast (140°) at 5 kt, visibility 10+ statute miles, no cloud data, temperature 33°C (92°F), altimeter 29.77 inHg. Conditions are Visual Flight Rules (VFR).
METAR KFSI 290255Z AUTO 14005KT 10SM CLR 33/17 A2977 RMK AO2 SLP067 T03330170 53013 $
What changed at KFSI?
Since the 0155Z (8:55 PM CDT) report — compared automatically against the latest METAR.
- Pressure rising: altimeter 29.74 → 29.77 inHg.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KFSI's weather changes, free →
Current pilot readout for KFSI
KFSI is currently VFR with winds from 140° at 5 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 18, about 3 knots. Density altitude is approximately 3,850 ft (field elevation 1,189 ft). KFSI does not publish a TAF — the nearest TAF station is KLAW, about 5 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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Stop refreshing aviation weather manually. Track KFSI in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.
Track KFSI 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 KFSI. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 18FAV | 5,002 ft | CON | 4 kt head | 3 kt left |
| 36 | 5,002 ft | CON | 4 kt tail | 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 22 h: wind 7→5 kt, ceiling unlimited → unlimited.
KFSI weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Henry Post Army Air Field in Fort Sill, OK: 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 KFSI 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 KFSI
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KFSI reported mostly VFR across 23 observations, with 0 flight-category changes. The strongest gust reached 16 kt. Wind most often came from the S.
Most recent change: MVFR → VFR
- 18
- 90%
- 36
- 10%
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We'll message you on Telegram the moment a new METAR changes the picture at KFSI (Henry Post Army Air Field) — flight category, wind, or ceiling past your minimums.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KFSI
- IATA
- FSI
- FAA LID
- FSI
- City
- Fort Sill
- State
- Oklahoma
- Country
- United States
- Elevation
- 1,189 ft
- Coordinates
- 34.6498, -98.4022
- Runways
- 2
- Longest runway
- 5,002 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KLAW
- ATIS
- 135.425 MHz
- Time zone
- America/Chicago
- Next sunset
- 21h 44m
Run a flight school, FBO, or club here? Embed KFSI'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.
- LAFFS Field Cache Rd — Lawton, OK · 8 mi
KFSI weather — frequently asked
What runways are available at KFSI?+
KFSI has 2 runways — 18, 36; the longest is 5,002 ft. This page computes the live crosswind for each runway end from the current wind.
Does KFSI report its own weather?+
Yes — Henry Post Army Air Field has its own weather station and publishes METAR observations, which this page decodes live.
Does KFSI have a TAF?+
No — KFSI does not publish its own TAF. The nearest TAF station is KLAW, about 5 nm away.
Does KFSI broadcast D-ATIS?+
No — KFSI does not broadcast D-ATIS. Alerts for KFSI from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Pilot PIREPs for Henry Post Army Air Field (KFSI)
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 Henry Post Army Air Field, 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 KFSI 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.
Why pilots use ATIS Alerts
Free aviation weather and ATIS change alerts for GA pilots, delivered on Telegram — so a change catches your eye before it catches you off guard.
- Get pinged the moment KFSI drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays — one link, always current.
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⚠️ 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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