WxDecoder

5Y3 Weather Gutzmer's Twin Oaks Airport

Whitewater, WisconsinElevation 821 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KJVL · 19 NM SW · 22 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 · KJVL
WIND
Calm
no steady wind
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 calm, visibility 10 SM. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 48F, 1% 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 N 4 kt – 1%
Monday Mostly Cloudy 59/45 NE 9 kt – 10%
Tuesday Mostly Cloudy 67/53 SE 9 kt – 7%
Wednesday Mostly Sunny 72/56 S 9 kt – 35%
Thursday Chance Showers And Thunderstorms 72/51 SW 9 kt – 35% Thunderstorms in the forecast
Friday Chance Rain Showers 71/54 SE 4 kt – 38%
Saturday Chance Rain Showers 69/53 S 9 kt – 56%
Sunday Chance Rain Showers 67 SW 9 kt – 37%

Source: National Weather Service (office MKX). Forecast issued 0232Z.

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
1 runway
NESW1836
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,524 ft

18/36
Dimensions
2,524 x 140 ft
Surface
Turf (good)
Edge lights
NSTD
RWY 18180°T
Traffic patternLeft
RWY 36360°T
Displaced threshold300 ft
Traffic patternLeft

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
821 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2257Z 5:57 PM
Sunrise
1221Z 7:21 AM
Loggable night
2326Z (6:26 PM local) → 1152Z (6:52 AM local)
end of evening to start of morning civil twilight
Position lights required
2257Z (5:57 PM local) → 1221Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
2357Z (6:57 PM local) → 1121Z (6:21 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

Gutzmer's Twin Oaks Airport is in Whitewater, Wisconsin. Field elevation 821 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerMARCUS TINCHER
Manager phone(920) 723-1556
AttendedAPR-NOV ALL, 0800–SS
CHARTS & AIRSPACE
ICAO / IATA5Y3
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates42.8536, -88.7598
Distance from city1 NM NW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
Traffic pattern alt800 ft MSL
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

5Y3 traffic patterns

2026-07-30 to 2026-10-20, 5 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.7
AVG OPS/DAY
3.7
Activity trend over 3 days: falling, from 4 to 1 operations per dayOperations trend (3 days)

Busiest day: Sun · Busiest month: Oct

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›RS20 (Piston single) · ~2 landings/mo
›C172 (Piston single) · ~2 landings/mo
›PA20 (Piston single) · ~0 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›RS20 (Piston single)
›C172 (Piston single)

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

5Y3 has no on-field report. Nearest reporting station: KJVL (19 NM SW, VFR).

KJVL Southern Wisconsin Regional Airport
19 NM SW
VFR
KUES Waukesha County Airport
26 NM NE
VFR
KMSN Dane County Regional Truax Field
31 NM NW
VFR
KUNU Dodge County Airport
34 NM N
VFR
KMWC Lawrence J Timmerman Airport
35 NM NE
VFR
KMKE General Mitchell International Airport
38 NM E
VFR
AIRPORT REMARKS

Operational remarks

›EXTENSIVE ULTRALIGHT & HANG GLDR OPNS ON & INVOF.
›EMAIL ADDRESS: MARCUSTINCHER@TINCHERREALTY.COM (ALL LOWER CASE)
›NSTD LIRL; LGTS FLUSH MOUNTED
›APCH RATIO 20:1 TO DTHR.
›MKD WITH YELLOW CONES.
›RY 18/36 NOT PLOWED WINTERS. CLSD TO WHEELED ACFT WHEN RY SNOW COVERED.
›DTHR MKD WITH YELLOW CONES.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗5Y3 on OurAirports
FREQUENTLY ASKED
Does 5Y3 have a METAR?
No on-field METAR is issued for 5Y3. This page uses the nearest reporting station as a reference.
Does 5Y3 have a TAF?
No TAF is issued directly for 5Y3. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 5Y3?
5Y3 sits at 821 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 5Y3?
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.