WxDecoder

WS50 Weather Mercy Medical Center Heliport

Oshkosh, WisconsinElevation 775 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KOSH · 3 NM SW · 38 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 · KOSH
WIND
020@11
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 visibility 10 SM, temperature 14C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 50F, 11% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 50 NNE 8 kt – 11%
Monday Mostly Cloudy 54/47 NE 10 kt – 10%
Tuesday Partly Sunny 64/54 ESE 11 kt 18 kt 10%
Wednesday Mostly Sunny 68/57 SSW 10 kt – 62%
Thursday Showers And Thunderstorms Likely 65/51 WSW 10 kt – 62% Thunderstorms in the forecast
Friday Chance Rain Showers 64/54 ESE 6 kt – 46%
Saturday Chance Rain Showers 64/54 SE 8 kt – 48%
Sunday Chance Rain Showers 61 WSW 7 kt – 38%

Source: National Weather Service (office GRB). Forecast issued 0231Z.

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 WS50. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 40 ft

H1
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

Field elevation
775 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2254Z 5:54 PM
Sunrise
1222Z 7:22 AM
Loggable night
2324Z (6:24 PM local) → 1152Z (6:52 AM local)
end of evening to start of morning civil twilight
Position lights required
2254Z (5:54 PM local) → 1222Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
2354Z (6:54 PM local) → 1122Z (6:22 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

Mercy Medical Center Heliport is in Oshkosh, Wisconsin. Field elevation 775 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerPHIL ANHALP
Manager phone920-223-2000
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAWS50
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates44.0237, -88.5228
Distance from city0 NM N
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
AIRCRAFT ACTIVITY

WS50 traffic patterns

2026-07-17 to 2026-10-19, 9 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.8
AVG OPS/DAY
1.8
Activity trend over 4 days: flat, from 2 to 2 operations per dayOperations trend (4 days)

Busiest day: Thu · Busiest month: Sep

FLEET MIX
Unknown 38%Turboprop 38%Piston single 25%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›DHC2 (Unknown) · ~3 landings/mo
›C208 (Turboprop) · ~1 landings/mo
›DC3 (Turboprop) · ~1 landings/mo
›DHC1 (Piston single) · ~1 landings/mo
›S22T (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

WS50 has no on-field report. Nearest reporting station: KOSH (3 NM SW, VFR).

KOSH Wittman Regional Airport
3 NM SW
VFR
KATW Appleton International Airport
14 NM N
MVFR
KFLD Fond du Lac County Airport
15 NM S
VFR
KGRB Austin Straubel International Airport
32 NM NE
VFR
KSBM Sheboygan County Memorial Airport
33 NM SE
VFR
KCLI Clintonville Municipal Airport
37 NM N
MVFR
AIRPORT REMARKS

Operational remarks

›FOR PERIMETER & FLOOD LGTS CALL 414-236-2000.
›FLOOD LGTS.
›PRVDD APCH/DEP EITHER 090 OR 270 DEPENDING ON REMOVAL OF TWO LGT POLES, AREA IS MKD & WIND INDICATOR IS MAINTAINED.
›POWER LINES 250 FT N OF HOSPITAL.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›MEDICAL USE.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗WS50 on OurAirports
FREQUENTLY ASKED
Does WS50 have a METAR?
No on-field METAR is issued for WS50. This page uses the nearest reporting station as a reference.
Does WS50 have a TAF?
No TAF is issued directly for WS50. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at WS50?
WS50 sits at 775 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for WS50?
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.