18MD Weather MedStar Montgomery Medical Center Heliport

Olney, MarylandElevation 472 ftHeliport

OFF-FIELD REFERENCE

Nearest report: KGAI · 5 NM W · 15 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 · KGAI

WIND

290@5

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely

26 0500Z to 26 1300Z

Carroll; Northern Baltimore; Cecil; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Stafford; Spotsylvania; Northern Fauquier; Southern Fauquier; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central and northern Maryland, and central and northern Virginia. * WHEN...From 1 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The lowest temperatures and subsequent frost potential are exp…

Take steps now to protect tender plants from the cold.

Test MessageUnknown · Unknown · Unknown

25 1904Z to 25 1914Z

Montgomery

Monitoring message only. Please disregard.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

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 290° at 6 kt, visibility 10 SM, temperature 18C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon sunny, high near 64F, low near 35F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
This Afternoon	Sunny	64/35	SW 3 kt	–	0%
Monday	Areas Of Frost then Sunny	68/47	NW 5 kt	–	0%
Tuesday	Sunny	68/46	N 5 kt	–	0%
Wednesday	Partly Sunny	65/48	E 5 kt	–	0%
Thursday	Mostly Sunny	70/49	S 4 kt	–	0%
Friday	Sunny	75/52	W 3 kt	–	0%
Saturday	Mostly Sunny	71/54	E 4 kt	–	4%

Source: National Weather Service (office LWX). Forecast issued 1911Z.

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 18MD. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail & declared distances

1 runway · longest 46 ft

Dimensions

40 x 40 ft

Surface

Concrete

Edge lights

PERI

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

472 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2216Z 6:16 PM

Sunrise

1129Z 7:29 AM

Loggable night

2243Z (6:43 PM local) → 1101Z (7:01 AM local)

end of evening to start of morning civil twilight

Position lights required

2216Z (6:16 PM local) → 1129Z (7:29 AM local)

sunset to sunrise (91.209)

Night passenger currency

2316Z (7:16 PM local) → 1029Z (6:29 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

MedStar Montgomery Medical Center Heliport is in Olney, Maryland. Field elevation 472 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeHeliport

ManagerTHOMAS BREAKEY

Manager phone301-774-8882

AttendedUNATNDD

CHARTS & AIRSPACE

ICAO / IATA18MD

SectionalWASHINGTON

Center (ARTCC)WASHINGTON

Flight service (AFSS)LEESBURG

RegionMaryland

CountryUnited States

Coordinates39.1547, -77.0550

Distance from city2 NM W

SERVICES & LIGHTING

Control towerNon-towered

Field lightingSunset to sunrise

AIRCRAFT ACTIVITY

18MD traffic patterns

2026-08-08 to 2026-10-21, 9 days observed · data 2026-10-23

Medium confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

0.8

AVG OPS/DAY

Operations trend (5 days)

Busiest day: Sat · Busiest month: Aug

FLEET MIX

Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES

›EC35 (Helicopter) · ~2 landings/mo

›EC45 (Helicopter) · ~1 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

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

›EC35 (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

18MD has no on-field report. Nearest reporting station: KGAI (5 NM W, VFR).

KGAI Montgomery County Airpark

5 NM W

VFR

KCGS College Park Airport

12 NM SE

VFR

KFME Fort Meade Executive Airport

14 NM E

VFR

KBWI Baltimore/Washington International Thurgood Marshall Airport

18 NM E

VFR

KDCA Ronald Reagan Washington National Airport

18 NM S

VFR

KFDK Frederick Municipal Airport

22 NM NW

VFR

AIRPORT REMARKS

Operational remarks

›FOR CD CTC POTOMAC APCH AT 866-429-5882.

›PRVDD VFR OPNS AND PVT USE ONLY; TKOF/LNDG AREA MKD; NON-OBSTG WIND IINDICATOR MAINTAINED.

›50 FT BUILDING 200 FT S OF PAD; 40 FT TREES 100 FT N OF PAD.

›EXT: 8684.

›EMAIL: KMELL@MEDSTARMONTGOMERY.ORG

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗18MD on OurAirports

FREQUENTLY ASKED

Does 18MD have a METAR?

No on-field METAR is issued for 18MD. This page uses the nearest reporting station as a reference.

Does 18MD have a TAF?

No TAF is issued directly for 18MD. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at 18MD?

18MD sits at 472 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for 18MD?

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.