WxDecoder

21WI Weather Hudson Hospital & Clinic Heliport

Hudson, WisconsinElevation 858 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KRNH · 14 NM NE · 12 min old
Ceiling 5,500 ft, visibility 10 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRNH
WIND
350@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
5,500 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 visibility 10 SM. Treat this as supplemental, not an aviation observation. Forecast suggests tonight chance light rain, low near 43F, 30% chance of precipitation. Key risks: strong winds in the forecast; thunderstorms in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 26 kt. Re-check crosswind components closer to departure.
Thunderstorms in the forecastWeather.gov
Friday: Chance Rain Showers. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Chance Light Rain 43 NNE 4 kt – 30%
Monday Light Rain 48/44 NE 9 kt – 92%
Tuesday Light Rain Likely 63/51 SSE 17 kt 26 kt 64% Strong winds in the forecast
Wednesday Chance Rain Showers 68/48 SSW 9 kt – 58%
Thursday Slight Chance Rain Showers then Mostly Sunny 62/45 NNW 4 kt – 19%
Friday Chance Rain Showers 64/50 ESE 4 kt – 66% Thunderstorms in the forecast
Saturday Showers And Thunderstorms Likely 64/48 SE 9 kt – 66%
Sunday Slight Chance Rain Showers then Mostly Cloudy 60 WSW 9 kt – 16%

Source: National Weather Service (office MPX). Forecast issued 0147Z.

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 21WI. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 86 ft

H1
Dimensions
86 x 56 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
858 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2309Z 6:09 PM
Sunrise
1240Z 7:40 AM
Loggable night
2339Z (6:39 PM local) → 1210Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
2309Z (6:09 PM local) → 1240Z (7:40 AM local)
sunset to sunrise (91.209)
Night passenger currency
0009Z (7:09 PM local) → 1140Z (6:40 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

Hudson Hospital & Clinic Heliport is in Hudson, Wisconsin. Field elevation 858 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerJEFF PERSELLS
Manager phone715-531-6472
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA21WI
SectionalTWIN CITIES
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates44.9624, -92.7178
Distance from city1 NM NW
SERVICES & LIGHTING
Control towerNon-towered
BeaconSunset to sunrise · White-green-yellow (heliport)
AIRCRAFT ACTIVITY

21WI traffic patterns

2026-07-13 to 2026-10-23, 5 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1.3
Activity trend over 3 days: rising, from 1 to 2 operations per dayOperations trend (3 days)

Busiest day: Mon · Busiest month: Jul

FLEET MIX
Piston single 60%Helicopter 40%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›A119 (Helicopter) · ~1 landings/mo
›C152 (Piston single) · ~1 landings/mo
›C182 (Piston single) · ~1 landings/mo
›H500 (Helicopter) · ~1 landings/mo
›P28R (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

21WI has no on-field report. Nearest reporting station: KRNH (14 NM NE, VFR).

KRNH New Richmond Regional Airport
14 NM NE
VFR
KSTP Saint Paul Downtown Holman Field
15 NM W
VFR
KOEO L O Simenstad Municipal Airport
21 NM N
VFR
KMSP Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field
22 NM W
VFR
KMIC Crystal Airport
28 NM W
VFR
KSYN Stanton Airfield
32 NM SW
VFR
AIRPORT REMARKS

Operational remarks

›PRVDD APCH/DEP FM 180-060, AREA IS MKD & LIGHTED FOR NIGHT OPNS.
›FOR CD CTC MINNEAPOLIS APCH AT 612-713-4016.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗21WI on OurAirports
FREQUENTLY ASKED
Does 21WI have a METAR?
No on-field METAR is issued for 21WI. This page uses the nearest reporting station as a reference.
Does 21WI have a TAF?
No TAF is issued directly for 21WI. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 21WI?
21WI sits at 858 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 21WI?
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.