SD21 Weather Hayes Emergency Airstrip

Hayes, South DakotaElevation 1,986 ftSmall airport

OFF-FIELD REFERENCE

Nearest report: KPIR · 31 NM E · 29 min old

Ceiling 400 ft, visibility 10 SM.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KPIR

WIND

070@6

steady

VISIBILITY

10 SM

16.1 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 80° at 7 kt, visibility 10 SM, temperature 2C. Treat this as supplemental, not an aviation observation. Forecast suggests tuesday slight chance drizzle then partly sunny, high near 63F, low near 36F, 10% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES

Strong winds in the forecastWeather.gov

Tuesday: winds up to 26 kt. Re-check crosswind components closer to departure.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tuesday	Slight Chance Drizzle then Partly Sunny	63/36	S 18 kt	26 kt	10%	Strong winds in the forecast
Wednesday	Patchy Fog then Partly Sunny	61/33	W 13 kt	21 kt	8%
Thursday	Sunny	63/38	SE 15 kt	23 kt	0%
Friday	Mostly Cloudy	58/44	E 14 kt	22 kt	32%
Saturday	Chance Light Rain	64/43	SE 11 kt	–	32%
Sunday	Mostly Cloudy then Slight Chance Light Rain	62/41	SW 14 kt	–	61%
Monday	Rain Likely	55	NNW 28 kt	–	68%

Source: National Weather Service (office ABR). Forecast issued 0555Z.

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 SD21. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail & declared distances

1 runway · longest 2,100 ft

14/32

Dimensions

2,100 x 100 ft

Surface

Asphalt

RWY 14

Traffic patternLeft

RWY 32

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

1,986 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2342Z 5:42 PM

Sunrise

1314Z 7:14 AM

Loggable night

0012Z (6:12 PM local) → 1244Z (6:44 AM local)

end of evening to start of morning civil twilight

Position lights required

2342Z (5:42 PM local) → 1314Z (7:14 AM local)

sunset to sunrise (91.209)

Night passenger currency

0042Z (6:42 PM local) → 1214Z (6:14 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

Hayes Emergency Airstrip is in Hayes, South Dakota. Field elevation 1,986 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeSmall airport

ManagerROBERT SHERER

Manager phone605-567-3640

AttendedUNATNDD

CHARTS & AIRSPACE

ICAO / IATASD21

SectionalCHEYENNE

Center (ARTCC)MINNEAPOLIS

Flight service (AFSS)HURON

RegionSouth Dakota

CountryUnited States

Coordinates44.3749, -101.0143

Distance from city1 NM NE

SERVICES & LIGHTING

Control towerNon-towered

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

SD21 has no on-field report. Nearest reporting station: KPIR (31 NM E, LIFR).

KPIR Pierre Regional Airport

KMBG Mobridge Municipal Airport

75 NM N

MVFR

KRAP Rapid City Regional Airport

90 NM W

LIFR

KRCA Ellsworth Air Force Base

AIRPORT REMARKS

Operational remarks

›EMERGENCY USE ONLY

›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

›APCH RATIO INCLUDES VEHICLE CLEARANCE OVER HWY LOCATED 450' FROM SE THR.

›CELL 605-222-0559

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗SD21 on OurAirports

FREQUENTLY ASKED

Does SD21 have a METAR?

No on-field METAR is issued for SD21. This page uses the nearest reporting station as a reference.

Does SD21 have a TAF?

No TAF is issued directly for SD21. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at SD21?

SD21 sits at 1,986 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for SD21?

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.