SD18 Weather Keystone Adventures Heliport

Rapid City, South DakotaElevation 4,969 ftHeliport

OFF-FIELD REFERENCE

Nearest report: KRAP · 18 NM NE · 5 min old

Ceiling 300 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

080@7

steady

VISIBILITY

2 1/2 SM

4 km

CEILING

300 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 30° at 4 kt, visibility 2.5 SM, temperature -2C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight areas of fog then widespread fog, low near 29F, 75% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES

Strong winds in the forecastWeather.gov

Tuesday: winds up to 36 kt. Re-check crosswind components closer to departure.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Areas Of Fog then Widespread Fog	29	E 2 kt	–	75%
Monday	Widespread Fog	37/30	E 4 kt	–	69%
Tuesday	Sunny	58/35	W 15 kt	36 kt	5%	Strong winds in the forecast
Wednesday	Sunny	58/35	S 4 kt	15 kt	7%
Thursday	Sunny	61/41	SW 5 kt	–	1%
Friday	Partly Sunny	58/39	S 4 kt	–	33%
Saturday	Chance Light Rain	53/38	NW 3 kt	–	30%
Sunday	Partly Sunny then Chance Light Rain	55	SW 5 kt	–	49%

Source: National Weather Service (office UNR). Forecast issued 0456Z.

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 SD18. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail & declared distances

1 runway · longest 120 ft

Dimensions

40 x 120 ft

Surface

Concrete (fair)

RWY H1

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

FIELD CONDITIONS

Field elevation

4,969 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2354Z 5:54 PM

Sunrise

1322Z 7:22 AM

Loggable night

0023Z (6:23 PM local) → 1252Z (6:52 AM local)

end of evening to start of morning civil twilight

Position lights required

2354Z (5:54 PM local) → 1322Z (7:22 AM local)

sunset to sunrise (91.209)

Night passenger currency

0054Z (6:54 PM local) → 1222Z (6:22 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

Keystone Adventures Heliport is in Rapid City, South Dakota. Field elevation 4,969 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeHeliport

ManagerANDY BUSSE

Manager phone605-431-3286

CHARTS & AIRSPACE

ICAO / IATASD18

SectionalCHEYENNE

Center (ARTCC)DENVER

Flight service (AFSS)HURON

RegionSouth Dakota

CountryUnited States

Coordinates43.9163, -103.4417

Distance from city13 NM SW

SERVICES & LIGHTING

Control towerNon-towered

AIRCRAFT ACTIVITY

SD18 traffic patterns

2026-06-12 to 2026-10-21, 63 days observed · data 2026-10-23

Medium confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

2.8

AVG OPS/DAY

4.2

Operations trend (12 days)

Busiest day: Sat · Busiest month: Jul

FLEET MIX

Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES

›UNKN (Helicopter) · ~33 landings/mo

›R66 (Helicopter) · ~25 landings/mo

›R44 (Helicopter) · ~17 landings/mo

›B407 (Helicopter) · ~1 landings/mo

›B06 (Helicopter) · ~0 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›R66 (Helicopter)

›R44 (Helicopter)

›UNKN (Helicopter)

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

SD18 has no on-field report. Nearest reporting station: KRAP (18 NM NE, LIFR).

KRAP Rapid City Regional Airport

18 NM NE

LIFR

KRCA Ellsworth Air Force Base

20 NM NE

LIFR

KSPF Black Hills Airport-Clyde Ice Field

KCDR Chadron Municipal Airport

67 NM S

IFR

KIEN Pine Ridge Airport

67 NM SE

IFR

AIRPORT REMARKS

Operational remarks

›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)

↗SD18 on OurAirports

FREQUENTLY ASKED

Does SD18 have a METAR?

No on-field METAR is issued for SD18. This page uses the nearest reporting station as a reference.

Does SD18 have a TAF?

No TAF is issued directly for SD18. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at SD18?

SD18 sits at 4,969 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for SD18?

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.