WxDecoder

KFSI/FSI METAR & TAF Henry Post Army Air Field

Fort Sill, OklahomaElevation 1,189 ftMedium airport
CURRENT STATUS
VFRMore than 1 hour old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
2,684 ft
+1,495 ft vs field
CURRENT METAR

Decoded observation

Observed 2255Z (5:55 PM local) · More than 1 hour old

KFSI is currently VFR. Wind information is unavailable. Visibility is 10 statute miles. No cloud information was reported. The main issue is metar is 1735 minutes old.

VISIBILITY
10 statute miles
16.1 km, good.
TEMP / DEWPOINT
27°C / 10°C
81°F / 50°F. 17°C spread.
ALTIMETER
30.13 inHg
1020.3 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP193
sea-level pressure 1019.3 hPa
T02650098
precise temperature 26.5°C, dew point 9.8°C
CHINO
ceiling-height sensor not operating
RWY18
unrecognized remark group
$
station needs maintenance
FAA: no delays reported at FSI.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›METAR is stale (1735 minutes old).
›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, visibility 10 SM, ceiling none. This report is older than usual, so treat it with caution. Forecast suggests tonight mostly cloudy, low near 57F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Tuesday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 57 SE 7 kt – 1%
Monday Mostly Sunny 80/59 SSE 9 kt 17 kt 21%
Tuesday Chance Showers And Thunderstorms 79/60 S 11 kt 19 kt 45% Thunderstorms in the forecast
Wednesday Mostly Sunny 82/62 S 12 kt – 3%
Thursday Mostly Sunny then Chance Showers And Thunderstorms 82/61 S 11 kt – 54%
Friday Rain Showers Likely 73/58 SSE 11 kt – 70%
Saturday Rain Showers Likely 78/60 S 11 kt – 60%
Sunday Mostly Sunny 79 SSW 8 kt – 7%

Source: National Weather Service (office OUN). Forecast issued 0349Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
1 runway · crosswind ranking
NESW1836CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

1 runway · longest 5,002 ft

18/36
Dimensions
5,002 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 18
REILYes
VGSIPAPI (P4L)
RWY 36
Approach lightsSALS
VGSIPAPI (P4L)

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
2,684 ft
Pressure altitude
979 ft
Field elevation
1,189 ft MSL
Temperature
27°C (81°F)
Dewpoint
10°C (50°F)
Altimeter
30.13 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2347Z 6:47 PM
Sunrise
1248Z 7:48 AM
Loggable night
0013Z (7:13 PM local) → 1222Z (7:22 AM local)
end of evening to start of morning civil twilight
Position lights required
2347Z (6:47 PM local) → 1248Z (7:48 AM local)
sunset to sunrise (91.209)
Night passenger currency
0047Z (7:47 PM local) → 1148Z (6:48 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Henry Post Army Air Field is in Fort Sill, Oklahoma. Field elevation 1,189 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipArmy owned
UsePrivate use
TypeMedium airport
Manager phone580-442-4643
CHARTS & AIRSPACE
ICAO / IATAKFSI / FSI
SectionalDALLAS-FT WORTH
Center (ARTCC)FORT WORTH
Flight service (AFSS)MC ALESTER
RegionOklahoma
CountryUnited States
Coordinates34.6498, -98.4022
Distance from city1 NM SE
SERVICES & LIGHTING
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · Split white-green (military)
CTAF124.950
FREQUENCIES

Communications

118.6
FORT SILL APP/DEP
A/D
135.425
ATIS
ATIS
121.7
CLNC DEL
CLD
121.7
POST GND
GND
118.6
DUNCAN SCTR
MISC
37.52
PMSV METRO
PMSV
123.05
PTD
PTD
124.95
POST TWR
TWR
124.950
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KLAW Lawton Fort Sill Regional Airport
5 NM S
VFR
KDUC Halliburton Field
24 NM SE
VFR
KFDR Frederick Regional Airport
34 NM SW
VFR
KCHK Chickasha Municipal Airport
34 NM NE
VFR
KHBR Hobart Regional Airport
38 NM NW
VFR
KSPS Wichita Falls Municipal Airport / Sheppard Air Force Base
40 NM S
VFR
AIRPORT REMARKS

Operational remarks

›UNSVCBL.
›AFLD COND UNMTO WHEN AFLD MGMT CLSD.
›580-442-6014.
›TRAN ALERT: NO TRAN MAINT, LTD SVC. TRAN AIRCREW MUST REMAIN WITH ACFT TO PROVIDE TECHNICAL DRCT/ASSIST IN SVCG.
›RDO REQ
›AFLD MGMT OPR 1230-2100Z ++ MON-FRI EXC HOL. OTHER SVCS AVAILABLE AS PUBLISHED/NOTAM. DSN 639-4643/2023, C580-442-4643/2023, WX DSN 639-4000/4887, C580-442-4000/4887.
›MISC: WX FCST AVBL 1200-0400Z++ MON-FRI, EXC HOL. REMOTE BRIEFING SVC AVBL 26 OWS BARKSDALE AFB DSN 331-2651, C318-529-2651, HTTPS://26OWS.US.AF.MIL/.
›MISC: WX OBSN AUTOMATED 24/7. WX OBSN AUGMENTED (AS RQR) DUR HRS WX FCST AVBL. WX OBSN VIS LTD TO 0.25 SM N AND NE WHEN SFC WX OBSN VIS SENSOR AUGMENTED.
›SERVICE - LGT: ACTVT PAPI RWY 18 ON 125.95 APCH, PAPI RWY 36 & RWY LGT OPR O/R TO APP.
›AIRFIELD LIGHTING CONTROLLED BY FORT SILL ARAC.
›TOWER OPRS HRS BY NOTAM ONLY.
›FORT SILL ARAC OPRS 24/7/365.
›HENRY POST AIRFIELD IS LOCATED WI RESTRICTED SPECIAL USE AIRSPACE R5601. CTC FORT SILL APPROACH FOR ACCESS.
›TWY A AND TWY C PCN GWT RSTD, C-130 AND LRGR MUST USE TWY B FOR RWY ENTRY & EXIT.
›24 HR PPR ALL TRANS ACFT.
›POTENTIAL FOR BIRD ACT NEAR POND NW OF AER RWY 18.
›RWY 18-36 NSTD SAFETY ARE BYD EACH END DUE TO TERRAIN GRADE, NO PAVED OVERRUNS.
›MISC: WIND CONES LCTED 353 FT FM RWY EDGE. RWY EDGE LTS LCTED 26 FT FROM RWY EDGE LINE.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗KFSI on OurAirports
FREQUENTLY ASKED
Does KFSI have a METAR?
Yes. KFSI has a current METAR observation, decoded into plain English on this page.
Does KFSI have a TAF?
When KFSI issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KFSI?
KFSI sits at 1,189 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KFSI?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.