Sparta Fort McCoy Airport (KCMY) Aviation Weather: METAR
As of 10:55 AM CDT, Oct 28, KCMY is currently VFR with winds from 180° at 10 knots, visibility 10+ statute miles, and a 8,000 ft ceiling.
Live aviation weather for Sparta Fort McCoy Airport in Sparta, WI, including METAR, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.
Sparta Fort McCoy Airport (KCMY) is a general aviation airport serving pilots in and around Sparta, WI at a field elevation of 839 ft. KCMY reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 2 physical runways (02/20, 11/29), the longest 4,697 ft. The official FAA airport diagram is at the bottom of the page.
Wind from the south (180°) at 10 kt, visibility 10+ statute miles, scattered clouds at 5,500 ft, broken clouds at 8,000 ft, temperature 18°C (65°F), altimeter 30.07 inHg. Conditions are Visual Flight Rules (VFR), ceiling 8,000 ft.
METAR KCMY 281555Z AUTO 18010KT 10SM SCT055 BKN080 18/11 A3007 RMK AO2 SLP185 T01830106
What changed at KCMY?
Since the 1455Z (9:55 AM CDT) report, compared automatically against the latest METAR.
- Wind picked up to 10 kt from calm.
Current pilot readout for KCMY
KCMY is currently VFR with winds from 180° at 10 knots, visibility 10+ statute miles, and a 8,000 ft ceiling. the wind favors south-facing runway ends (20). Density altitude is approximately 1,250 ft (field elevation 839 ft). KCMY does not publish a TAF. The nearest TAF station is KVOK, about 21 nm away.
KCMY by the numbers
What the long-run records say about flying here, computed for this airport alone.
KCMY reported VFR in 78% of daylight observations over 20 years, about 255 flyable days a year. July is the most reliable month and December the least, with IFR or worse 15% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 6% of hours) and low visibility (under 3 miles 4%).
Over 20 years of hourly winds, runway 29 had the best headwind 38% of the time, runway 20 27%, and winds were calm 41% of hours. Winds most often blow from the west. Crosswind on the best available runway topped 15 kt in under 1% of hours.
Snow fell on about 50 days a year and freezing rain or drizzle on 1. From December to February KCMY was IFR or worse 12% of the time, against 5% from June to August.
Thunderstorms were reported on about 49 days a year. 53% of storm hours fall in June, July and August, peaking in June when storms were in the air 2% of the time.
Gusts showed up in 14% of hours, typically 7 kt above the steady wind, and the strongest credible gust on record was 50 kt. April is the windiest month (mean 6 kt) and August the calmest.
Sources: hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 20FAV | 3,032 ft | ASP | 10 kt head | 3 kt left |
| 11 | 4,697 ft | ASP | 4 kt head | 9 kt right |
| 29 | 4,697 ft | ASP | 4 kt tail | 9 kt left |
| 02 | 3,032 ft | ASP | 10 kt tail | 3 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
KCMY runways
2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 02/203,032 × 95 ft · ASPCurrent useno stated-runway source at KCMYWind
- 02
- 10 kt tailwind · 3 kt crosswind from right
- 20
- 10 kt headwind · 3 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence → - Status not monitoredRunway 11/294,697 × 100 ft · ASPCurrent useno stated-runway source at KCMYWind
- 11
- 4 kt headwind · 9 kt crosswind from right
- 29
- 4 kt tailwind · 9 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→10 kt, ceiling unlimited → 8,000 ft.
KCMY weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KCMY
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
RGK UA /OV RGK330015/TM 1227/FL100/TP A320/TB LGT CHOP BLO 095
RGK UAHeader: reporting station and UA: a routine pilot report.OV RGK330015Location: fix or navaid, optionally with a radial and distance in NM.TM 1227Reported at 12:27 UTC.FL100Altitude: 10,000 ft MSL.TP A320Aircraft type reporting.TB LGT CHOP BLO 095Turbulence: light chop blo 095.Show raw report
EAU UA /OV 3NM S EAU/TM 1118/FL030/TP E-135/SK BKN030
EAU UAHeader: reporting station and UA: a routine pilot report.OV 3NM S EAULocation: fix or navaid, optionally with a radial and distance in NM.TM 1118Reported at 11:18 UTC.FL030Altitude: 3,000 ft MSL.TP E-135Aircraft type reporting.SK BKN030Sky condition: cloud bases and tops in hundreds of feet MSL.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KCMY
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KCMY reported mostly VFR across 26 observations, with 0 flight-category changes. The lowest ceiling was 3,600 ft. Wind most often came from the SE.
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 20
- 62%
- 29
- 20%
- 11
- 13%
- 02
- 5%
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Live crosswind meter
Measured by KCMY's own weather station.
Wind is 15° off runway 20, the end with the most headwind right now.
Asphalt · 3,032 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 02/20, 11/29 drawn from FAA threshold coordinates.
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Fuel
- 100LL · Jet A++
- Attended
- Mon-Fri 1400-2200Z++ local
- Transient parking
- Tie-downs
- Other services
- Flight instruction
- Control tower
- Yes
- Wind indicator
- Lighted
Airport
- Type
- General aviation airport
- ICAO
- KCMY
- IATA
- CMY
- FAA LID
- CMY
- City
- Sparta
- State
- Wisconsin
- Country
- United States
- Elevation
- 839 ft
- Coordinates
- 43.9580, -90.7379
- Runways
- 2 physical runways · 4 runway ends
- Longest runway
- 4,697 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KVOK
- AWOS/ASOS
- 118.375 MHz
- CTAF
- 124.6 MHz
- Time zone
- America/Chicago
- Sunset in
- 6h 43m
Run a flight school, FBO, or club here? Embed KCMY's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Sparta Area Model Club - Ideal Rd , Sparta, WI · 5 mi
- River City RC Modelers - Gilles Coulee Rd S , West Salem, WI · 19 mi
Historical Flying Weather at KCMY
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KCMY reported VFR conditions during about 77.8% of valid daylight observations, with an estimated 255 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 4.2 kt, calm 40.1% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 60.5 | 27.1 | 9.5 | 2.9 |
| Feb | 74.5 | 17.8 | 6.1 | 1.6 |
| Mar | 76.7 | 16.0 | 5.4 | 1.8 |
| Apr | 78.0 | 15.7 | 4.9 | 1.4 |
| May | 83.0 | 12.7 | 3.3 | 1.0 |
| Jun | 85.4 | 9.9 | 2.9 | 1.9 |
| Jul | 88.8 | 7.1 | 1.8 | 2.3 |
| Aug | 83.2 | 9.6 | 2.9 | 4.4 |
| Sep | 81.4 | 11.5 | 3.2 | 3.9 |
| Oct | 78.9 | 15.7 | 3.6 | 1.8 |
| Nov | 71.3 | 21.1 | 5.8 | 1.9 |
| Dec | 56.4 | 28.3 | 12.1 | 3.2 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 4.2 kt |
| Feb | 4.5 kt |
| Mar | 5.0 kt |
| Apr | 5.9 kt |
| May | 4.7 kt |
| Jun | 3.9 kt |
| Jul | 3.2 kt |
| Aug | 3.0 kt |
| Sep | 3.4 kt |
| Oct | 4.0 kt |
| Nov | 4.4 kt |
| Dec | 4.1 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KCMY airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗
Customize your CMY shirt or mug
CMY's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Sparta Fort McCoy Airport (KCMY)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Sparta Fort McCoy Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KCMY yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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