WxDecoder

K3Y3 Weather Winterset Madison County Airport

Winterset, IowaElevation 1,110 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KDSM · 19 NM NE · 9 min old
Ceiling 30,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KDSM
WIND
040@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
30,000 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 7 kt, visibility 10 SM, temperature 16C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 52F, 2% 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 52 NNE 5 kt – 2%
Monday Partly Sunny 73/56 ENE 7 kt – 5%
Tuesday Mostly Cloudy then Slight Chance Rain Showers 71/57 SSW 9 kt – 24%
Wednesday Slight Chance Rain Showers 75/59 SSW 12 kt – 59%
Thursday Showers And Thunderstorms Likely 74/59 SSW 6 kt – 59% Thunderstorms in the forecast
Friday Chance Showers And Thunderstorms 74/58 S 10 kt – 53%
Saturday Rain Showers Likely 69/55 S 8 kt – 63%
Sunday Mostly Cloudy 67 WNW 5 kt – 13%

Source: National Weather Service (office DMX). Forecast issued 0402Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
1 runway
NESW1432
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 3,002 ft

14/32
Dimensions
3,002 x 50 ft
Surface
Asphalt (good)
Edge lights
NSTD
RWY 14143°T
Displaced threshold175 ft
VGSIPAPI (P2L)
Traffic patternLeft
RWY 32323°T
VGSIPAPI (P2L)
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
1,110 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2320Z 6:20 PM
Sunrise
1240Z 7:40 AM
Loggable night
2348Z (6:48 PM local) → 1211Z (7:11 AM local)
end of evening to start of morning civil twilight
Position lights required
2320Z (6:20 PM local) → 1240Z (7:40 AM local)
sunset to sunrise (91.209)
Night passenger currency
0020Z (7:20 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

Winterset Madison County Airport is in Winterset, Iowa. Field elevation 1,110 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerRANDY BENGE
Manager phone515-979-7250
AttendedALL SAT-SUN, ON CALL
CHARTS & AIRSPACE
ICAO / IATAK3Y3
SectionalOMAHA
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)FORT DODGE
RegionIowa
CountryUnited States
Coordinates41.3628, -94.0211
Distance from city2 NM N
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
Traffic pattern alt800 ft MSL
CTAF122.700
UNICOM122.700
FREQUENCIES

Communications

135.2
DES MOINES APP/DEP
A/D
122.7
CTAF/UNICOM
UNIC
122.700
CTAF
CTAF
122.700
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

K3Y3 traffic patterns

2026-06-12 to 2026-10-23, 58 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
6
AVG OPS/DAY
9.9
Activity trend over 13 days: rising, from 2 to 11 operations per dayOperations trend (13 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Piston single 78%Unknown 14%Twin 5%Turboprop 3%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~19 landings/mo
›C150 (Piston single) · ~7 landings/mo
›C77R (Unknown) · ~5 landings/mo
›C182 (Piston single) · ~4 landings/mo
›P28A (Piston single) · ~4 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›C172 (Piston single)
›C182 (Piston single)
›C150 (Piston single)
›C77R (Unknown)
›UNKN (Unknown)

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

K3Y3 has no on-field report. Nearest reporting station: KDSM (19 NM NE, VFR).

KDSM Des Moines International Airport
19 NM NE
VFR
KCSQ Creston Municipal Airport
26 NM SW
VFR
KPRO Perry Municipal Airport
29 NM N
VFR
KAMW Ames Municipal Airport
42 NM NE
VFR
KBNW Boone Municipal Airport
42 NM N
VFR
KAIO Atlantic Municipal Airport
46 NM W
VFR
AIRPORT REMARKS

Operational remarks

›RWY 32 IS CALM WIND RWY.
›MIRL - RWY 14/32 ENDS HAVE SIX THLD LGTS AND ALL WHITE LENSES ALONG RWY LEN.
›WINTERSET.APMANAGER@GMAIL.COM
›FOR CD CTC DES MOINES ATCT AT 515-974-8016.
›ULTRALIGHT ACT ON & INVOF ARPT.
›RWY 32 END SAFETY AREA EXTDS 240 FT; SHARP DROP AT THAT POINT.
›INADQT CLNC FOR HLDG ON THE TARND AT THE THR OF RWY 32.
›PRVDD NW END RWY IS DSPLCD SUF DSTC TO PRVD 15 FT CLNC OVR E/W RD FOR A 20:1 APCH RATIO.
›15 FT ROAD 140 FT FM RY END
›ACTVT MIRL RY 14/32 & PAPI RYS 14 & 32 - CTAF.
›WINTERSET AIRPORT AUTHORITY
›APCH SLOPE 6:1 FM DSPLCD THLD.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗K3Y3 on OurAirports
FREQUENTLY ASKED
Does K3Y3 have a METAR?
No on-field METAR is issued for K3Y3. This page uses the nearest reporting station as a reference.
Does K3Y3 have a TAF?
No TAF is issued directly for K3Y3. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K3Y3?
K3Y3 sits at 1,110 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K3Y3?
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.