4F1 Weather Westport Airport / Keystone Airpark

Westport, OklahomaElevation 900 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRVS · 21 NM SE · 27 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRVS
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 130° at 6 kt, visibility 10 SM, temperature 20C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 54F, 0% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Friday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 54 0 kt – 0%
Monday Mostly Sunny 77/57 S 4 kt – 14%
Tuesday Slight Chance Rain Showers 75/60 S 4 kt – 19%
Wednesday Sunny 79/63 S 9 kt 22 kt 4%
Thursday Mostly Sunny 80/62 S 9 kt – 15%
Friday Chance Showers And Thunderstorms 73/59 S 4 kt – 50% Thunderstorms in the forecast
Saturday Rain Showers Likely 73/61 S 9 kt 17 kt 64%
Sunday Mostly Sunny 76 SW 4 kt – 9%

Source: National Weather Service (office TSA). Forecast issued 0419Z.

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
NESW0321
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,900 ft

03/21
Dimensions
2,900 x 42 ft
Surface
Asphalt (fair)
Edge lights
MED
RWY 0332°T
RWY 21212°T

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

FIELD CONDITIONS

Field elevation

Field elevation
900 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2337Z 6:37 PM
Sunrise
1242Z 7:42 AM
Loggable night
0003Z (7:03 PM local) → 1216Z (7:16 AM local)
end of evening to start of morning civil twilight
Position lights required
2337Z (6:37 PM local) → 1242Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
0037Z (7:37 PM local) → 1142Z (6:42 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

Westport Airport / Keystone Airpark is in Westport, Oklahoma. Field elevation 900 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerROSS SAUTER
Manager phone918-358-6031
AttendedIREG
CHARTS & AIRSPACE
ICAO / IATA4F1
SectionalKANSAS CITY
Center (ARTCC)KANSAS CITY
Flight service (AFSS)MC ALESTER
RegionOklahoma
CountryUnited States
Coordinates36.2223, -96.3461
Distance from city2 NM E
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
Traffic pattern alt600 ft MSL
CTAF122.900
FREQUENCIES

Communications

122.900
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

4F1 has no on-field report. Nearest reporting station: KRVS (21 NM SE, VFR).

AIRPORT REMARKS

Operational remarks

›ACTVT RWY LGTS FOR ALL OPS DAY & NIGHT. USE HIGHEST INTST FOR DAYTIME OPS.
›ACTVT MIRL RY 03/21 - CTAF.
›LIMITED BY ARPT OPERATOR TO 6000 LBS SINGLE WHEEL GEAR.
›VFR ONLY.
›RY 21 STEEP UPHILL SLOPE UP TO +60 FT HILL AT RY END & 50 FT R OF CENTERLINE.
›7-10 FT TREES 150 FT FM RY END, 58 FT LEFT OF RWY CNTRLN.
›BOARD CHAIRMAN.
›FOR CD CTC TULSA APCH AT 918-831-6714/6720.
FREQUENTLY ASKED
Does 4F1 have a METAR?
No on-field METAR is issued for 4F1. This page uses the nearest reporting station as a reference.
Does 4F1 have a TAF?
No TAF is issued directly for 4F1. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4F1?
4F1 sits at 900 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4F1?
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.