WxDecoder

US-4890 Weather Air Evac 21 Heliport

Elk City, OklahomaElevation 1,969 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KELK · 0 NM N · 18 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KELK
WIND
130@8
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 140° at 9 kt, visibility 10 SM, temperature 18C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 56F, 4% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Tuesday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 56 SSE 10 kt 17 kt 4%
Monday Partly Sunny then Slight Chance Rain Showers 74/56 S 13 kt 21 kt 65%
Tuesday Showers And Thunderstorms Likely 75/58 S 15 kt 23 kt 65% Thunderstorms in the forecast
Wednesday Sunny 79/60 S 17 kt – 1%
Thursday Mostly Sunny 80/58 S 13 kt – 51%
Friday Showers And Thunderstorms 69/56 S 13 kt – 80%
Saturday Chance Rain Showers 75/56 S 13 kt – 53%
Sunday Partly Sunny 75 WSW 9 kt – 4%

Source: National Weather Service (office OUN). Forecast issued 0353Z.

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 US-4890. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
1,969 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2350Z 6:50 PM
Sunrise
1253Z 7:53 AM
Loggable night
0016Z (7:16 PM local) → 1227Z (7:27 AM local)
end of evening to start of morning civil twilight
Position lights required
2350Z (6:50 PM local) → 1253Z (7:53 AM local)
sunset to sunrise (91.209)
Night passenger currency
0050Z (7:50 PM local) → 1153Z (6:53 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

Air Evac 21 Heliport is in Elk City, Oklahoma. Field elevation 1,969 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-4890
RegionOklahoma
CountryUnited States
Coordinates35.4231, -99.3969
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4890 traffic patterns

2026-10-17 to 2026-10-23, 4 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1.8
Activity trend over 4 days: falling, from 3 to 1 operations per dayOperations trend (4 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX
Helicopter 50%Jet 25%Turboprop 25%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B06 (Helicopter) · ~1 landings/mo
›C501 (Jet) · ~1 landings/mo
›EC30 (Helicopter) · ~1 landings/mo
›UNKN (Turboprop) · ~1 landings/mo
›BE9L (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

US-4890 has no on-field report. Nearest reporting station: KELK (0 NM N, VFR).

KELK Elk City Regional Business Airport
0 NM N
VFR
KCSM Clinton Sherman Airport
11 NM SE
VFR
KCLK Clinton Regional Airport
24 NM E
VFR
KHBR Hobart Regional Airport
31 NM SE
VFR
KAXS Altus Quartz Mountain Regional Airport
44 NM S
VFR
KLTS Altus Air Force Base
46 NM S
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4890 on OurAirports
FREQUENTLY ASKED
Does US-4890 have a METAR?
No on-field METAR is issued for US-4890. This page uses the nearest reporting station as a reference.
Does US-4890 have a TAF?
No TAF is issued directly for US-4890. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4890?
US-4890 sits at 1,969 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4890?
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.