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Horner Farms Airport (WI03) Area Aviation Weather & Runway Winds

As of 9:55 AM CDT, Oct 28, based on the nearest station (KBUU), WI03 is currently VFR with winds from 190° at 4 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Horner Farms Airport in Union Grove, WI, decoded from the nearest reporting station (KBUU): conditions and runway crosswinds.

Horner Farms Airport (WI03) is a general aviation airport serving pilots in and around Union Grove, WI at a field elevation of 770 ft. WI03 has no weather station of its own. Conditions here are decoded from KBUU, about 10 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (09/27, 18/36), the longest 2,000 ft. The nearest TAF is issued for KMKE.

Ask ATIS AIAsk anything about WI03's weather, runways or delays, or search another airport.
VFR
Observed 1455Z (9:55 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KBUU, 9.9 nm away.

Wind
190° 4 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.20"
Temp / Dew
62°F / 16°C
dew 51°F / 11°C

Wind from the south (190°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 16°C (62°F), altimeter 30.20 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KBUU 281455Z AUTO 19004KT 10SM CLR 16/11 A3020 RMK AO2 T01640106

What changed at KBUU (nearest station)?

Since the 1435Z (9:35 AM CDT) report, compared automatically against the latest METAR.

No significant changes since the 1435Z (9:35 AM CDT) report, conditions are holding steady.

Current pilot readout for WI03

Based on the nearest station (KBUU), WI03 is currently VFR with winds from 190° at 4 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors south-facing runway ends (18). Density altitude is approximately 800 ft (field elevation 770 ft). WI03 does not publish a TAF. The nearest TAF station is KMKE, about 14 nm away.

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.

RunwayHead / TailCrosswind
18FAV4 kt head1 kt right
271 kt head4 kt left
091 kt tail4 kt right
364 kt tail1 kt left

Open the crosswind calculator to try your own wind and runway numbers →

WI03 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.

  • Runway 09/27
    2,000 × 100 ft · TURF-G
    Status not monitored
    Current use
    no stated-runway source at WI03
    Wind
    09
    1 kt tailwind · 4 kt crosswind from right
    27
    1 kt headwind · 4 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 18/36
    1,300 × 80 ft · TURF-G
    Status not monitored
    Current use
    no stated-runway source at WI03
    Wind
    18
    4 kt headwind · 1 kt crosswind from right
    36
    4 kt tailwind · 1 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.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061215Z03Z14Z

Over the last 24 h: wind 5→4 kt, ceiling unlimited → unlimited.

WI03 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

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 WI03

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP1414Z (9:14 AM CDT) · 98 NM SW of WI03 · 13,000 ft MSL · CRJ7
Show raw report
VYS UA /OV VYS/TM 1414/FL130/TP CRJ7/TB NEG
VYS UAHeader: reporting station and UA: a routine pilot report.
OV VYSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1414Reported at 14:14 UTC.
FL130Altitude: 13,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP1414Z (9:14 AM CDT) · 50 NM S of WI03 · 26,000 ft MSL · TBM9
Show raw report
ORD UA /OV ORD/TM 1414/FL260/TP TBM9/TB NEG
ORD UAHeader: reporting station and UA: a routine pilot report.
OV ORDLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1414Reported at 14:14 UTC.
FL260Altitude: 26,000 ft MSL.
TP TBM9Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP1345Z (8:45 AM CDT) · 63 NM S of WI03 · 1,800 ft MSL · C172
Show raw report
ARR UA /OV KARR/TM 1345/FL018/TP C172/WX FV07SM/RM VIS AT LEAST 7
ARR UAHeader: reporting station and UA: a routine pilot report.
OV KARRLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1345Reported at 13:45 UTC.
FL018Altitude: 1,800 ft MSL.
TP C172Aircraft type reporting.
WX FV07SMWeather and flight visibility observed.
RM VIS AT LEAST 7Remarks.
PIREP1219Z (7:19 AM CDT) · 56 NM NE of WI03 · 15,000 ft MSL · B38M
Show raw report
MKG UA /OV MKG270040/TM 1219/FL150/TP B38M/TB NEG
MKG UAHeader: reporting station and UA: a routine pilot report.
OV MKG270040Location: fix or navaid, optionally with a radial and distance in NM.
TM 1219Reported at 12:19 UTC.
FL150Altitude: 15,000 ft MSL.
TP B38MAircraft type reporting.
TB NEGTurbulence: none reported.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at WI03

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KBUU reported mostly VFR across 72 observations, with 12 flight-category changes. The lowest ceiling was 500 ft. Wind most often came from the SE.

Last 24 hours
VFR 75%MVFR 10%IFR 11%LIFR 4%
Wind avg/max: 1/5 kt
Max gust: -
Lowest ceiling: 500 ft
Lowest vis: -
Prevailing wind: SE
Category changes: 12

Most recent change: MVFR → VFR

Last 7 days
VFR 82%MVFR 4%IFR 5%LIFR 8%
Wind avg/max: 2/12 kt
Max gust: 17 kt
Lowest ceiling: 100 ft
Lowest vis: 0.25 sm
Prevailing wind: S
Category changes: 17

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

18
38%
27
25%
09
21%
36
16%

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No live weather from WI03

Live crosswind meter

WI03 has no weather feed online, so the wind comes from KBUU, 9.9 nm away.

N18364 kt
Headwind
4 kt
Crosswind (from the right)
1 kt

Wind is 11° off runway 18, the end with the most headwind right now.

Have a weather station at WI03? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Turf · 1,300 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Horner Farms Airport (WI03)
N ↑

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

Attended
Unattended
Landing fee
No
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
WI03
City
Union Grove
State
Wisconsin
Country
United States
Elevation
770 ft
Coordinates
42.7981, -88.1334
Runways
2 physical runways · 4 runway ends
Longest runway
2,000 ft
Weather reporting
Nearest station KBUU
TAF
Nearest KMKE
Time zone
America/Chicago
Sunset in
7h 40m

Run a flight school, FBO, or club here? Embed WI03's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Wisconsin airports →

Pilot PIREPs for Horner Farms Airport (WI03)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Horner Farms 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 WI03 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.

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