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Hayes Emergency Airstrip (SD21) Area Aviation Weather & Runway Winds

As of 8:53 PM MDT, Oct 26, based on the nearest station (KPIR), SD21 is currently LIFR with winds from 050° at 8 knots, visibility 7 statute miles, and a 400 ft ceiling.

Aviation weather near Hayes Emergency Airstrip in Hayes, SD, decoded from the nearest reporting station (KPIR): conditions and runway crosswinds.

Hayes Emergency Airstrip (SD21) is a general aviation airport serving pilots in and around Hayes, SD at a field elevation of 1,986 ft. SD21 has no weather station of its own. Conditions here are decoded from KPIR, about 31 nm away, the nearest reporting station, and local conditions can differ. It has one runway (14/32), the longest 2,100 ft. The nearest TAF is issued for KPIR.

Ask ATIS AIAsk anything about SD21's weather, runways or delays, or search another airport.
LIFR
Observed 0253Z (8:53 PM MDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KPIR, 31.3 nm away.

Wind
050° 8 kt
Visibility
7 sm
Ceiling
400 ft
Altimeter
30.20"
Temp / Dew
34°F / 1°C
feels like 27°F

Wind from the northeast (050°) at 8 kt, visibility 7 statute miles, overcast at 400 ft, temperature 1°C (34°F), altimeter 30.20 inHg. Conditions are Low IFR (LIFR), ceiling 400 ft.

Raw METAR
METAR KPIR 270253Z AUTO 05008KT 7SM OVC004 01/00 A3020 RMK AO2 RAB0155E07 SLP240 P0000 60002 I1000 I3000 T00110000 58010

What changed at KPIR (nearest station)?

Since the 1426Z (8:26 AM MDT) report, compared automatically against the latest METAR.

No significant changes since the 1426Z (8:26 AM MDT) report, conditions are holding steady.

Current pilot readout for SD21

Based on the nearest station (KPIR), SD21 is currently LIFR with winds from 050° at 8 knots, visibility 7 statute miles, and a 400 ft ceiling. the wind favors northwest-facing runway ends (32). Density altitude is approximately 450 ft (field elevation 1,986 ft). Review the latest TAF below for forecast changes before departure.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
32FAV1 kt head8 kt right
141 kt tail8 kt left

Open the crosswind calculator to try your own wind and runway numbers →

SD21 runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 14/32
    2,100 × 100 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at SD21
    Wind
    14
    1 kt tailwind · 8 kt crosswind from left
    32
    1 kt headwind · 8 kt crosswind from right
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0112215Z03Z14Z

Over the last 23 h: wind 12→15 kt, ceiling 1,800 ft → 600 ft.

SD21 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of SD21

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP1443Z (8:43 AM MDT) · 75 NM N of SD21 · 36,000 ft MSL · B39M
Show raw report
MBG UA /OV MBG/TM 1443/FL360/TP B39M/TB NEG/IC NEG
MBG UAHeader: reporting station and UA: a routine pilot report.
OV MBGLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1443Reported at 14:43 UTC.
FL360Altitude: 36,000 ft MSL.
TP B39MAircraft type reporting.
TB NEGTurbulence: none reported.
IC NEGIcing: none reported.
PIREP1102Z (5:02 AM MDT) · 99 NM E of SD21 · 34,000 ft MSL · B77L
light chop turbulence
Show raw report
HON UA /OV HON310035/TM 1102/FL340/TP B77L/TB LGT CHOP
HON UAHeader: reporting station and UA: a routine pilot report.
OV HON310035Location: fix or navaid, optionally with a radial and distance in NM.
TM 1102Reported at 11:02 UTC.
FL340Altitude: 34,000 ft MSL.
TP B77LAircraft type reporting.
TB LGT CHOPTurbulence: light chop.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at SD21

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KPIR reported a mix of conditions, most often IFR across 47 observations, with 14 flight-category changes. The strongest gust reached 19 kt, the lowest ceiling was 200 ft. Wind most often came from the NE.

Last 24 hours
MVFR 28%IFR 38%LIFR 34%
Wind avg/max: 7/15 kt
Max gust: 19 kt
Lowest ceiling: 200 ft
Lowest vis: -
Prevailing wind: NE
Category changes: 14

Most recent change: MVFR → IFR

Last 7 days
VFR 76%MVFR 9%IFR 8%LIFR 6%
Wind avg/max: 9/26 kt
Max gust: 36 kt
Lowest ceiling: 200 ft
Lowest vis: 3 sm
Prevailing wind: E
Category changes: 19

Most recent change: MVFR → IFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

14
58%
32
42%

TAF | Terminal Aerodrome Forecast

Issued 1452Z (8:52 AM MDT)

TAF KPIR 271452Z 2715/2812 15012KT 4SM BR OVC009 FM271600 15015G23KT P6SM BKN004 FM272100 16009KT P6SM SCT030 FM280000 09005KT P6SM FEW240

New to TAFs? How to read one →

Get SD21 weather alerts in Telegram

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No live weather from SD21

Live crosswind meter

SD21 has no weather feed online, so the wind comes from KPIR, 31 nm away.

N32148 kt
Headwind
1 kt
Crosswind (from the right)
8 kt

Wind is 81° off runway 32, the end with the most headwind right now.

Have a weather station at SD21? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Turf · 2,100 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Hayes Emergency Airstrip (SD21)
N ↑

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Attended
Unattended
Transient parking
Hangars
Landing fee
No
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
SD21
City
Hayes
State
South Dakota
Country
United States
Elevation
1,986 ft
Coordinates
44.3749, -101.0143
Runways
1 physical runway · 2 runway ends
Longest runway
2,100 ft
Weather reporting
Nearest station KPIR
TAF
Nearest KPIR
Time zone
America/Denver
Sunset in
8h 22m

Run a flight school, FBO, or club here? Embed SD21's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

See all South Dakota airports →

Pilot PIREPs for Hayes Emergency Airstrip (SD21)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Hayes Emergency Airstrip, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for SD21 yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

Spotted incorrect airport info? ✏️ Suggest an edit

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