KCMY/CMY METAR Sparta Fort McCoy Airport

Sparta, WisconsinElevation 837 ftSmall airport

CURRENT STATUS

VFR55 min old

Ceiling 7,500 ft, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

Calm

no steady wind

VISIBILITY

10 SM

16.1 km

CEILING

7,500 ft

lowest BKN/OVC

DENSITY ALT

227 ft

-610 ft vs field

CURRENT METAR

Decoded observation

Observed 0255Z (9:55 PM local) · 55 min old

KCMY is currently VFR. Winds are calm. Visibility is 10 statute miles. The ceiling is 7,500 feet AGL.

WIND

Calm

No steady wind.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

Ceiling 7,500 ft

Lowest broken or overcast layer.

TEMP / DEWPOINT

12°C / 4°C

54°F / 39°F. 8°C spread.

ALTIMETER

30.37 inHg

1028.4 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO OVC RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

SLP289

sea-level pressure 1028.9 hPa

T01210036

precise temperature 12.1°C, dew point 3.6°C

50007

3-hour pressure tendency: rising then falling (0.7 hPa change)

FAA: no delays reported at CMY.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling 7,500 ft. Forecast suggests tonight mostly cloudy, low near 45F, 4% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Thursday: Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Mostly Cloudy	45	E 2 kt	–	4%
Monday	Mostly Cloudy	57/39	NE 6 kt	–	13%
Tuesday	Partly Sunny	69/52	SE 8 kt	20 kt	12%
Wednesday	Slight Chance Rain Showers	73/54	S 7 kt	–	81%
Thursday	Showers And Thunderstorms	70/43	W 3 kt	–	81%	Thunderstorms in the forecast
Friday	Chance Rain Showers	68/48	SE 3 kt	–	46%
Saturday	Chance Rain Showers	67/49	SE 5 kt	–	51%
Sunday	Chance Rain Showers	68	SW 2 kt	–	32%

Source: National Weather Service (office ARX). Forecast issued 0349Z.

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 · crosswind ranking

WIND USED

Wind calm or variable

Crosswind ranking is unavailable until the wind has a steady direction.

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

2 runways · longest 4,697 ft

11/29

Dimensions

4,697 x 100 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 11112°T

REILYes

VGSIPAPI (P4L)

RWY 29292°T

Displaced threshold431 ft

REILYes

VGSIPAPI (P4L)

01/19

Dimensions

3,032 x 95 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 0115°T

VGSIPAPI (P2L)

RWY 19195°T

VGSIPAPI (P2L)

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

FIELD CONDITIONS

Performance & density altitude

Density altitude

227 ft

Pressure altitude

387 ft

Field elevation

837 ft MSL

Temperature

12°C (54°F)

Dewpoint

4°C (39°F)

Altimeter

30.37 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2303Z 6:03 PM

Sunrise

1231Z 7:31 AM

Loggable night

2333Z (6:33 PM local) → 1201Z (7:01 AM local)

end of evening to start of morning civil twilight

Position lights required

2303Z (6:03 PM local) → 1231Z (7:31 AM local)

sunset to sunrise (91.209)

Night passenger currency

0003Z (7:03 PM local) → 1131Z (6:31 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

Sparta Fort McCoy Airport is in Sparta, Wisconsin. Field elevation 837 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipArmy owned

UseOpen to the public

TypeSmall airport

ManagerJAMES HUBBARD

Manager phone502-898-4107

AttendedALL MON-FRI, 1400–2200Z++

CHARTS & AIRSPACE

ICAO / IATAKCMY / CMY

SectionalCHICAGO

Center (ARTCC)CHICAGO

Flight service (AFSS)GREEN BAY

RegionWisconsin

CountryUnited States

Coordinates43.9580, -90.7379

Distance from city3 NM NE

SERVICES & LIGHTING

FuelJet A+

Control towerTowered

Field lightingSee remarks

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

CTAF124.600

FREQUENCIES

Communications

135.25

VOLK APP/DEP

A/D

118.375

AWOS 3

AWOS

124.6

CTAF

41.9

RANGE

MISC

38.5

TWR

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

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KVOK Volk Field

21 NM E

VFR

KLSE La Crosse Regional Airport

23 NM W

VFR

KONA Winona Municipal Airport Max Conrad Field

43 NM W

VFR

KISW Alexander Field South Wood County Airport

46 NM NE

VFR

KMFI Marshfield Municipal Airport

47 NM NE

VFR

KLNR Tri-County Regional Airport

51 NM SE

VFR

AIRPORT REMARKS

Operational remarks

›MIL RAMP SELF SVC H24 1 APR - 30 SEP & MON-FRI 1 OCT - 31 MAR TO TRAINED AIRCREW ONLY. 1 OCT - 31 MAR PPR BY THURS 2200Z++ FOR WKEND FUEL OR SVC; C502-898-4107.

›WHEN TWR CLSD ACTVT REIL RWY 11 & 29; MIRL RWY 01/19 - CTAF. MIRL RWY 11/29 PRESET TO LOW SS-SR; INCR INTST CTAF. VGSI RWY 01, 11, 19 & 29 OPR CONSLY.

›CREDIT CARD SELF SVC H24 ON CIVIL RAMP.

›15 FT ROAD 0-200 FT FM RWY END 0-107 FT L.

›APCH RATIO 34:1 TO DTHR.

›CTLD SMALL ARMS RANGE 1000 YDS DEP END.

›CTN: DEP; VEHICLES ON ROAD MAY APPEAR TO BE ON RWY.

›HVY ASSAULT STRIP OPS E. NSTD N LATERAL CLNC; SEE KCMY AP/1 FOR INFO.

›EXC FED HOL.

›CIVIL AMGR MARK VAN WORMER - 608-269-4340 EX: 9-5157.

›R6901B 500 YDS DEP END RWY 11.

›C130 & LRGR 180 DEG TURNS PMTD ON CONC SFC RWY 11/29 E & W ENDS & RWY 01/19 S END.

›RAPIDLY RISING TRRN 1 NM NW - NE.

›LGTD WINDCONE RWY 01 & 11.

›SNOW REMOVAL OPS MNT CTAF WHEN ATCT CLSD.

›FICON UNMNT AFT HR.

›24 HR PPR FOR SVC AFT 2200Z++ - C502-898-4107. CLSD FED HOL & BY NOTAM. FUEL & T RQMNTS - AP/1.

›BIRDS & WILDLIFE ON & INVOF ARPT.

›FOR CD WHEN ATCT CLSD CTC CHICAGO ARTCC AT 630-906-8921.

›RSTD: ARFF SVC AVBL WITH 72 HR NOTICE - C502-898-2508/3553; INDEX B SVC AVBL H24.

›PAJA 3.5 NM E - NE YEAR ROUND.

›RWY 01, 11, 29 NSTD SAFETY AREA BYD EACH END DUE TO TRRN & FENCE.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KCMY on OurAirports

FREQUENTLY ASKED

Does KCMY have a METAR?

Yes. KCMY has a current METAR observation, decoded into plain English on this page.

Does KCMY have a TAF?

When KCMY issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.

What is the field elevation at KCMY?

KCMY sits at 837 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KCMY?

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.