WxDecoder

WS03 Weather St Mary's Hospital of Milwaukee Heliport

Milwaukee, WisconsinElevation 670 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KMKE · 7 NM S · More than 1 hour old
Ceiling 18,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMKE
WIND
040@10
steady
VISIBILITY
10 SM
16.1 km
CEILING
18,000 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 40° at 8 kt, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 48F, 4% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 48 E 13 kt – 4%
Tuesday Mostly Cloudy 58/52 SE 13 kt – 5%
Wednesday Mostly Sunny 66/55 S 9 kt – 23%
Thursday Chance Showers And Thunderstorms 66/50 W 9 kt – 38% Thunderstorms in the forecast
Friday Mostly Sunny then Slight Chance Rain Showers 61/52 E 4 kt – 54%
Saturday Chance Rain Showers 62/54 SE 9 kt – 54%
Sunday Chance Rain Showers 63/53 S 4 kt – 31%
Monday Chance Rain Showers 61 S 13 kt – 45%

Source: National Weather Service (office MKX). Forecast issued 0307Z.

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 WS03. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 20 ft

H1
Dimensions
20 x 20 ft
Surface
Concrete
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

Field elevation
670 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2252Z 5:52 PM
Sunrise
1219Z 7:19 AM
Loggable night
2321Z (6:21 PM local) → 1150Z (6:50 AM local)
end of evening to start of morning civil twilight
Position lights required
2252Z (5:52 PM local) → 1219Z (7:19 AM local)
sunset to sunrise (91.209)
Night passenger currency
2352Z (6:52 PM local) → 1119Z (6:19 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

St Mary's Hospital of Milwaukee Heliport is in Milwaukee, Wisconsin. Field elevation 670 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerCINDY MANGAN
Manager phone414-291-1865
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAWS03
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates43.0617, -87.8792
Distance from city0 NM SW
SERVICES & LIGHTING
Control towerNon-towered
BeaconSee remarks · White-green-yellow (heliport)
AIRCRAFT ACTIVITY

WS03 traffic patterns

2026-07-17 to 2026-08-07, 7 days observed · data 2026-10-25

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.6
AVG OPS/DAY
3
Activity trend over 7 days: rising, from 1 to 2 operations per dayOperations trend (7 days)

Busiest day: Sat · Busiest month: Jul

FLEET MIX
Piston single 40%Helicopter 40%Turboprop 10%Jet 10%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›E300 (Piston single) · ~2 landings/mo
›EC45 (Helicopter) · ~2 landings/mo
›AS65 (Helicopter) · ~1 landings/mo
›BE18 (Turboprop) · ~1 landings/mo
›EAGL (Piston single) · ~1 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

WS03 has no on-field report. Nearest reporting station: KMKE (7 NM S, VFR).

KMKE General Mitchell International Airport
7 NM S
VFR
KMWC Lawrence J Timmerman Airport
7 NM NW
VFR
KUES Waukesha County Airport
16 NM W
VFR
KRAC John H Batten Airport
18 NM S
VFR
KETB West Bend Municipal Airport
24 NM NW
VFR
KENW Kenosha Regional Airport
28 NM S
VFR
AIRPORT REMARKS

Operational remarks

›MEDICAL USE
›(A40) FLOOD LIGHTS.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›TROY KARLL 2323 N LAKE DR MILWAUKEE, WI 53211 414-291-1722
›FILED FOR RECORD PURPOSES ONLY
›PHONE REQ
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗WS03 on OurAirports
FREQUENTLY ASKED
Does WS03 have a METAR?
No on-field METAR is issued for WS03. This page uses the nearest reporting station as a reference.
Does WS03 have a TAF?
No TAF is issued directly for WS03. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at WS03?
WS03 sits at 670 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for WS03?
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.