WxDecoder

3SD3 Weather Brown Field

Scenic, South DakotaElevation 2,780 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRAP · 20 NM NW · 30 min old
Ceiling 700 ft, visibility 2 1/2 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRAP
WIND
100@7
steady
VISIBILITY
2 1/2 SM
4 km
CEILING
700 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 90° at 6 kt, visibility 2.5 SM, temperature 2C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight light rain, low near 34F, 89% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 34 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Light Rain 34 NE 10 kt 16 kt 89%
Monday Rain 41/30 NE 9 kt 16 kt 91%
Tuesday Sunny 68/33 SW 21 kt 34 kt 9% Strong winds in the forecast
Wednesday Mostly Sunny 63/34 SE 8 kt 15 kt 4%
Thursday Mostly Sunny 66/39 SE 9 kt – 1%
Friday Partly Sunny 61/39 SE 11 kt – 37%
Saturday Chance Light Rain 58/38 N 9 kt – 32%
Sunday Partly Sunny then Chance Light Rain 61 SE 9 kt – 39%

Source: National Weather Service (office UNR). Forecast issued 0421Z.

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
Crosswind calculator
No runway layout is available for 3SD3. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,600 ft

18/36
Dimensions
1,600 x 45 ft
Surface
Turf
RWY 18
RWY 36

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
2,780 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2351Z 5:51 PM
Sunrise
1318Z 7:18 AM
Loggable night
0021Z (6:21 PM local) → 1249Z (6:49 AM local)
end of evening to start of morning civil twilight
Position lights required
2351Z (5:51 PM local) → 1318Z (7:18 AM local)
sunset to sunrise (91.209)
Night passenger currency
0051Z (6:51 PM local) → 1218Z (6:18 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

Brown Field is in Scenic, South Dakota. Field elevation 2,780 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerPAT BROWN
Manager phone605-343-8289
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA3SD3
SectionalCHEYENNE
Center (ARTCC)DENVER
Flight service (AFSS)HURON
RegionSouth Dakota
CountryUnited States
Coordinates43.8118, -102.7200
Distance from city7 NM WNW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

3SD3 traffic patterns

2026-07-11 to 2026-07-11, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Operations trend (1 days)

Busiest day: Sat · Busiest month: Jul

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›EC30 (Helicopter) · ~1 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

3SD3 has no on-field report. Nearest reporting station: KRAP (20 NM NW, IFR).

KRAP Rapid City Regional Airport
20 NM NW
IFR
KRCA Ellsworth Air Force Base
26 NM NW
LIFR
KIEN Pine Ridge Airport
48 NM S
IFR
KPHP Philip Airport
50 NM E
IFR
KCDR Chadron Municipal Airport
61 NM S
IFR
KSPF Black Hills Airport-Clyde Ice Field
61 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›25 FT POWERLINE 250 FT W, 50 FT GRAIN BIN 300 FT W. AND 25 FT BLDGS 200 FT NW OF RY.
›OWNER DESIRES ARPT NOT BE CHARTED.
›FOR CD CTC ELLSWORTH APCH AT 605-385-6198, WHEN APCH CLSD CTC DENVER ARTCC AT 303-651-4257.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗3SD3 on OurAirports
FREQUENTLY ASKED
Does 3SD3 have a METAR?
No on-field METAR is issued for 3SD3. This page uses the nearest reporting station as a reference.
Does 3SD3 have a TAF?
No TAF is issued directly for 3SD3. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 3SD3?
3SD3 sits at 2,780 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 3SD3?
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.