WxDecoder

K9D1 Weather Gregory Municipal Airport - Flynn Field

Gregory, South DakotaElevation 2,168 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KANW · 46 NM SW · 24 min old
Ceiling 400 ft, visibility 5 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KANW
WIND
050@8
steady
VISIBILITY
5 SM
8 km
CEILING
400 ft
lowest BKN/OVC
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 50° at 8 kt, visibility 10 SM, temperature 3C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight rain showers likely, low near 32F, 73% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Monday: winds up to 26 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Rain Showers Likely 32 NE 13 kt 22 kt 73%
Monday Rain Showers 43/31 NE 13 kt 26 kt 99% Strong winds in the forecast
Tuesday Partly Sunny 59/39 SW 17 kt 30 kt 1%
Wednesday Mostly Sunny 62/38 WNW 9 kt – 3%
Thursday Mostly Sunny 63/42 ESE 9 kt – 1%
Friday Partly Sunny then Slight Chance Rain Showers 64/45 SE 9 kt – 51%
Saturday Chance Rain Showers 59/41 SSW 13 kt – 51%
Sunday Partly Sunny 59 W 9 kt – 8%

Source: National Weather Service (office FSD). Forecast issued 0458Z.

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
NESW1331
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 3,799 ft

13/31
Dimensions
3,799 x 60 ft
Surface
Asphalt (excellent)
Edge lights
MED
RWY 13135°T
VGSIPAPI (P2L)
Traffic patternLeft
RWY 31315°T
VGSIPAPI (P2L)
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
2,168 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2339Z 6:39 PM
Sunrise
1304Z 8:04 AM
Loggable night
0008Z (7:08 PM local) → 1235Z (7:35 AM local)
end of evening to start of morning civil twilight
Position lights required
2339Z (6:39 PM local) → 1304Z (8:04 AM local)
sunset to sunrise (91.209)
Night passenger currency
0039Z (7:39 PM local) → 1204Z (7:04 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

Gregory Municipal Airport - Flynn Field is in Gregory, South Dakota. Field elevation 2,168 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerGUHNER KEPLER
Manager phone605-682-1086
AttendedDaily, DAWN–DUSK
CHARTS & AIRSPACE
ICAO / IATAK9D1
SectionalOMAHA
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)HURON
RegionSouth Dakota
CountryUnited States
Coordinates43.2217, -99.4033
Distance from city1 NM SE
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.1
HURON RDO
FSS
122.8
CTAF/UNICOM
UNIC
122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

K9D1 traffic patterns

2026-08-12 to 2026-08-12, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Wed · Busiest month: Aug

FLEET MIX

Mostly turboprop aircraft.

TOP AIRCRAFT TYPES
›PC12 (Turboprop) · ~0 landings/mo
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

K9D1 has no on-field report. Nearest reporting station: KANW (46 NM SW, LIFR).

KANW Ainsworth Regional Airport
46 NM SW
LIFR
KVTN Miller Field
55 NM SW
IFR
KONL O'Neill Municipal Airport–John L Baker Field
55 NM SE
LIFR
KMHE Mitchell Municipal Airport
68 NM NE
VFR
KPIR Pierre Regional Airport
80 NM NW
MVFR
KHON Huron Regional Airport
86 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›GCO AVBL ON FREQ 121.725 (4 CLICKS TO MINNEAPOLIS CENTER)
›TELEPHONE AVBL.
›FOR CD IF UNA VIA GCO CTC MINNEAPOLIS ARTCC AT 651-463-5588.
›CONC PLANT LOCATED APROPLY 1282 FT OFF END OF RWY 31.
›ACTVT MIRL RY 13/31 & PAPI RYS 13 & 31 - CTAF.
›AUTOMATED UNICOM.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗K9D1 on OurAirports
FREQUENTLY ASKED
Does K9D1 have a METAR?
No on-field METAR is issued for K9D1. This page uses the nearest reporting station as a reference.
Does K9D1 have a TAF?
No TAF is issued directly for K9D1. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K9D1?
K9D1 sits at 2,168 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K9D1?
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.