WxDecoder

K3O9/NRI Weather Grand Lake Regional Airport

Afton, OklahomaElevation 792 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KMIO · 20 NM N · 13 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 · KMIO
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 80° at 3 kt. Treat this as supplemental, not an aviation observation. Forecast suggests monday mostly sunny, high near 77F, low near 56F, 3% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Saturday: Rain Showers Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Monday Mostly Sunny 77/56 S 4 kt – 3%
Tuesday Partly Sunny 76/60 S 4 kt – 3%
Wednesday Sunny 79/62 S 9 kt 17 kt 2%
Thursday Mostly Sunny 80/62 S 9 kt – 5%
Friday Partly Sunny then Slight Chance Rain Showers 75/61 S 4 kt – 43%
Saturday Rain Showers Likely 72/62 S 9 kt – 66% Thunderstorms in the forecast
Sunday Mostly Sunny 76 SW 4 kt – 11%

Source: National Weather Service (office TSA). Forecast issued 0607Z.

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
NESW1735
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 3,925 ft

17/35
Dimensions
3,925 x 60 ft
Surface
Concrete (fair)
RWY 17171°T
Displaced threshold230 ft
Traffic patternLeft
RWY 35351°T
Displaced threshold230 ft
Traffic patternLeft

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
792 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2330Z 6:30 PM
Sunrise
1236Z 7:36 AM
Loggable night
2357Z (6:57 PM local) → 1210Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
2330Z (6:30 PM local) → 1236Z (7:36 AM local)
sunset to sunrise (91.209)
Night passenger currency
0030Z (7:30 PM local) → 1136Z (6:36 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

Grand Lake Regional Airport is in Afton, Oklahoma. Field elevation 792 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerTODD LARAMORE
Manager phone573-569-4448
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATANRI
SectionalKANSAS CITY
Center (ARTCC)KANSAS CITY
Flight service (AFSS)MC ALESTER
RegionOklahoma
CountryUnited States
Coordinates36.5776, -94.8619
Distance from city10 NM SE
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.700
UNICOM122.700
FREQUENCIES

Communications

122.7
CTAF/UNICOM
UNIC
122.700
CTAF
CTAF
122.700
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

K3O9 traffic patterns

2026-07-25 to 2026-10-23, 19 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.6
AVG OPS/DAY
1.7
Activity trend over 7 days: rising, from 1 to 3 operations per dayOperations trend (7 days)

Busiest day: Sat · Busiest month: Sep

FLEET MIX
Piston single 74%Turboprop 12%Helicopter 9%Unknown 6%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›BE36 (Piston single) · ~2 landings/mo
›HUSK (Piston single) · ~2 landings/mo
›WACF (Piston single) · ~2 landings/mo
›B407 (Helicopter) · ~2 landings/mo
›C172 (Piston single) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›WACF (Piston single)
›HUSK (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

K3O9 has no on-field report. Nearest reporting station: KMIO (20 NM N, VFR).

KMIO Miami Municipal Airport
20 NM N
VFR
KSLG Smith Field
29 NM SE
UNKNOWN
KXNA Northwest Arkansas National Airport
32 NM SE
VFR
KVBT Bentonville Municipal-Louise M Thaden Field
34 NM SE
VFR
KROG Rogers Municipal Airport-Carter Field
38 NM E
VFR
KJLN Joplin Regional Airport
39 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›40 FT TREES 97 FT RIGHT AT THLD; 7 FT ROAD 40 FT FM RY END & 0B.
›230 FT SAFETY ZONE ON EITHER ENDS OF RWY MKD AS DSPLCD THLD.
›10 FT MARINA BUILDING 60 FT FM RY END & 190 FT RIGHT.
›130 FT TOWER 1200 FT EAST OF RY 17.
›FOR CD CTC KANSAS CITY ARTCC AT 913-254-8508.
›THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
›RY 17 END IS 30 FT HIGHER THAN RY 35 END.
›25:1 OBS CLNC SLOPE TO DTHR.
›MRKGS SVRLY FADED
›MRKGS SVRLY FADED
›BIRDS ON & INVOF ARPT.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗K3O9 on OurAirports
FREQUENTLY ASKED
Does K3O9 have a METAR?
No on-field METAR is issued for K3O9. This page uses the nearest reporting station as a reference.
Does K3O9 have a TAF?
No TAF is issued directly for K3O9. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K3O9?
K3O9 sits at 792 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K3O9?
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.