K87Y Weather Blackhawk Airfield

Madison, WisconsinElevation 920 ftSmall airport

OFF-FIELD REFERENCE

Nearest report: KMSN · 7 NM W · 46 min old

Ceiling 23,000 ft, visibility 10 SM.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KMSN

WIND

330@4

steady

VISIBILITY

10 SM

16.1 km

CEILING

23,000 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 360° at 5 kt, visibility 10 SM, temperature 14C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 48F, 2% 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.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Mostly Cloudy	48	N 4 kt	–	2%
Monday	Mostly Cloudy	58/44	NE 9 kt	–	10%
Tuesday	Partly Sunny	67/53	SE 9 kt	–	11%
Wednesday	Mostly Sunny	73/55	S 9 kt	–	47%
Thursday	Chance Showers And Thunderstorms	72/50	SW 9 kt	–	47%	Thunderstorms in the forecast
Friday	Chance Rain Showers	70/54	SE 9 kt	–	42%
Saturday	Chance Rain Showers	69/53	S 9 kt	–	56%
Sunday	Chance Rain Showers	66	W 9 kt	–	33%

Source: National Weather Service (office MKX). Forecast issued 0238Z.

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

2 runways

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

2 runways · longest 2,814 ft

04/22

Dimensions

2,814 x 57 ft

Surface

Asphalt (poor)

RWY 0440°T

Traffic patternRight

RWY 22220°T

Displaced threshold260 ft

09/27

Dimensions

2,150 x 56 ft

Surface

Asphalt (fair)

Edge lights

NSTD

RWY 0989°T

RWY 27270°T

Displaced threshold180 ft

Traffic patternRight

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

920 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2258Z 5:58 PM

Sunrise

1223Z 7:23 AM

Loggable night

2327Z (6:27 PM local) → 1154Z (6:54 AM local)

end of evening to start of morning civil twilight

Position lights required

2258Z (5:58 PM local) → 1223Z (7:23 AM local)

sunset to sunrise (91.209)

Night passenger currency

2358Z (6:58 PM local) → 1123Z (6:23 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

Blackhawk Airfield is in Madison, Wisconsin. Field elevation 920 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UseOpen to the public

TypeSmall airport

ManagerCHERYL STRASSMAN

Manager phone(608) 334-4932

AttendedUNATTND

CHARTS & AIRSPACE

ICAO / IATAK87Y

SectionalCHICAGO

Center (ARTCC)CHICAGO

Flight service (AFSS)GREEN BAY

RegionWisconsin

CountryUnited States

Coordinates43.1049, -89.1855

Distance from city10 NM E

SERVICES & LIGHTING

Control towerNon-towered

Field lightingSunset to sunrise

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF122.700

UNICOM122.700

FREQUENCIES

Communications

120.1

MADISON APP/DEP

A/D

122.7

CTAF/UNICOM

UNIC

122.700

CTAF

122.700

UNICOM

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

AIRCRAFT ACTIVITY

K87Y traffic patterns

2026-06-12 to 2026-10-23, 41 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

2.6

AVG OPS/DAY

3.9

Operations trend (16 days)

Busiest day: Mon · Busiest month: Aug

FLEET MIX

Piston single 85%Helicopter 9%Turboprop 6%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~7 landings/mo

›P28A (Piston single) · ~6 landings/mo

›BE35 (Piston single) · ~4 landings/mo

›C175 (Piston single) · ~4 landings/mo

›H60 (Helicopter) · ~3 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

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

›C172 (Piston single)

›BE35 (Piston single)

›P28A (Piston single)

›AT8T (Turboprop)

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

K87Y has no on-field report. Nearest reporting station: KMSN (7 NM W, VFR).

KMSN Dane County Regional Truax Field

7 NM W

VFR

KUNU Dodge County Airport

29 NM NE

VFR

KJVL Southern Wisconsin Regional Airport

30 NM S

VFR

KUES Waukesha County Airport

42 NM E

VFR

KLNR Tri-County Regional Airport

44 NM W

VFR

KETB West Bend Municipal Airport

50 NM NE

VFR

AIRPORT REMARKS

Operational remarks

›MARKINGS FADED.

›CRACKS WITH VEGETATION.

›COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -23C.

›MARKINGS FADED.

›NSTD LIRL; RWY LGTS 2 FT TO 3 FT ABOVE RWY & NSTD SPACING. RWY 09/27 LGTD 1970 FT.

›RWY 09 AVOID OVERFLIGHT OF FARM 3/4 MI EAST.

›DEER & TURKEYS ON & INVOF ARPT.

›RWY ENDS OBSTD VISUALLY FM OTRS.

›FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

›EMAIL ADDRESS: STRASS32@AMERITECH.NET (ALL LOWER CASE)

›APCH RATIO 20:1 TO DTHR.

›35 FT TREE 45 FT FM THR, 50 FT R.

›40 FT TREES 180 FT FM THR, 100 FT L.

›45 FT TREES 160 FT FM THR, 25L.

›APCH RATIO 10:1 TO DTHR. 48 FT TREES 470 FT FM DTHR, 25 FT L.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗K87Y on OurAirports

FREQUENTLY ASKED

Does K87Y have a METAR?

No on-field METAR is issued for K87Y. This page uses the nearest reporting station as a reference.

Does K87Y have a TAF?

No TAF is issued directly for K87Y. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at K87Y?

K87Y sits at 920 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for K87Y?

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.