ATIS Alerts

Courtney Plummer Airport (9WN1) Area Aviation Weather & Runway Winds

Aviation weather near Courtney Plummer Airport in Winneconne, WI, decoded from the nearest reporting station (KOSH) — conditions, runway crosswinds, and free Telegram airport alerts.

Courtney Plummer Airport (9WN1) is a general aviation airport serving pilots in and around Winneconne, WI at 758 ft. 9WN1 has no weather station of its own — conditions here are decoded from KOSH, about 9 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (18, 36) — longest 3,403 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGRB. Track it in the ATIS Alerts Telegram bot to get alerts read from KOSH, the station this page is based on.

VFR
Observed 0453Z (11:53 PM CDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KOSH, 9.2 nm away.

Wind
170° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.97"
Temp / Dew
17°C / 63°F
dew 16°C

Wind from the south (170°) at 3 kt, visibility 10+ statute miles, no cloud data, temperature 17°C (63°F), altimeter 29.97 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KOSH 290453Z AUTO 17003KT 10SM CLR 17/16 A2997 RMK AO2 SLP138 T01720156

What changed at KOSH (nearest station)?

Since the 0353Z (10:53 PM CDT) report — compared automatically against the latest METAR.

  • Temperature–dewpoint spread narrowed to 2°C — watch for fog or low cloud.
  • Pressure rising: altimeter 29.94 → 29.97 inHg.

This is exactly what ATIS Alerts watches for you — get a Telegram message when 9WN1's weather changes, free →

Current pilot readout for 9WN1

Based on the nearest station (KOSH), 9WN1 is currently VFR with winds from 170° at 3 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 18, about 1 knots. Density altitude is approximately 1,150 ft (field elevation 758 ft). 9WN1 does not publish a TAF — the nearest TAF station is KGRB, about 33 nm away.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at 9WN1. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
18FAV3 kt head1 kt left
363 kt tail1 kt right

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

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0122305Z13Z04Z

Over the last 23 h: wind 14→3 kt, ceiling unlimited → unlimited.

9WN1 weather radar

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

Live weather radar around Courtney Plummer Airport in Winneconne, WI: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 9WN1 is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of 9WN1

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

PIREP0340Z (10:40 PM CDT) · 78 NM SE of 9WN1 · during descent · A319
Show raw report
MKE UA /OV MKE190000/TM 0340/FL000/TP A319/WV 010004/RM NEG WINDSHEAR-MICROBURST ON FINAL
MKE UAHeader — reporting station and UA: a routine pilot report.
OV MKE190000Location — fix or navaid, optionally with a radial and distance in NM.
TM 0340Reported at 03:40 UTC.
FL000Altitude: 0 ft MSL.
TP A319Aircraft type reporting.
WV 010004Wind (direction/speed) or wind-shear remarks.
RM NEG WINDSHEAR-MICROBURST …Remarks.
PIREP0217Z (9:17 PM CDT) · 69 NM W of 9WN1 · 13,000 ft MSL · C441
Show raw report
VOK UA /OV VOK/TM 0217/FL130/TP C441/TB NEG
VOK UAHeader — reporting station and UA: a routine pilot report.
OV VOKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0217Reported at 02:17 UTC.
FL130Altitude: 13,000 ft MSL.
TP C441Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0215Z (9:15 PM CDT) · 41 NM SE of 9WN1 · 20,000 ft MSL · PC12
Show raw report
SBM UA /OV SBM/TM 0215/FL200/TP PC12/TB NEG
SBM UAHeader — reporting station and UA: a routine pilot report.
OV SBMLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0215Reported at 02:15 UTC.
FL200Altitude: 20,000 ft MSL.
TP PC12Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0208Z (9:08 PM CDT) · 97 NM S of 9WN1 · during climb · CRJ2
Show raw report
ENW UA /OV ENW/TM 0208/FL160/TP CRJ2/TB NEG/RM DURC
ENW UAHeader — reporting station and UA: a routine pilot report.
OV ENWLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0208Reported at 02:08 UTC.
FL160Altitude: 16,000 ft MSL.
TP CRJ2Aircraft type reporting.
TB NEGTurbulence: none reported.
RM DURCRemarks.
PIREP0206Z (9:06 PM CDT) · 64 NM SW of 9WN1 · 19,000 ft MSL · BCS1
Show raw report
MSN UA /OV MSN/TM 0206/FL190/TP BCS1/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV MSNLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0206Reported at 02:06 UTC.
FL190Altitude: 19,000 ft MSL.
TP BCS1Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0205Z (9:05 PM CDT) · 48 NM SW of 9WN1 · 20,000 ft MSL · E75S
Show raw report
MSN UA /OV C47/TM 0205/FL200/TP E75S/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV C47Location — fix or navaid, optionally with a radial and distance in NM.
TM 0205Reported at 02:05 UTC.
FL200Altitude: 20,000 ft MSL.
TP E75SAircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0019Z (7:19 PM CDT) · 99 NM E of 9WN1 · 30,000 ft MSL · B752
continuous light chop turbulence
Show raw report
LDM UA /OV LDM/TM 0019/FL300/TP B752/TB CONS LGT CHOP
LDM UAHeader — reporting station and UA: a routine pilot report.
OV LDMLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0019Reported at 00:19 UTC.
FL300Altitude: 30,000 ft MSL.
TP B752Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.

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

Recent aviation weather trends at 9WN1

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KOSH reported mostly VFR across 31 observations, with 2 flight-category changes. The strongest gust reached 20 kt, the lowest ceiling was 1,400 ft. Wind most often came from the NE.

Last 24 hours
VFR 68%MVFR 32%
Wind avg/max: 8/14 kt
Max gust: 20 kt
Lowest ceiling: 1,400 ft
Lowest vis: —
Prevailing wind: NE
Category changes: 2

Most recent change: MVFR → VFR

Last 7 days
VFR 85%MVFR 13%IFR 1%LIFR 1%
Wind avg/max: 6/15 kt
Max gust: 21 kt
Lowest ceiling: 200 ft
Lowest vis: 1.75 sm
Prevailing wind: S
Category changes: 15

Most recent change: MVFR → VFR

Active Runway - past 30 days
18
52%
36
48%

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Nearby TFRs

Active FAA TFRs near 9WN1

FAA TFR data shows an active temporary flight restriction near 9WN1.

Hazard TFR
0.5NM NE MENASHA, WI
Active 10.4 NM from 9WN1
Effective: Tuesday, July 28, 2026 through Saturday, August 1, 2026 UTC
NOTAM: 6/9803

View all active US TFRs → · Official FAA TFR ↗

Verify with official FAA TFR sources before flight.

Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
9WN1
City
Winneconne
State
Wisconsin
Country
United States
Elevation
758 ft
Coordinates
44.1069, -88.6840
Runways
2
Longest runway
3,403 ft
Weather reporting
Nearest station KOSH
TAF
Nearest KGRB
Time zone
America/Chicago
Next sunset
19h 45m

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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 →

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9WN1 weather — frequently asked

What runways are available at 9WN1?+

9WN1 has 2 runways — 18, 36; the longest is 3,403 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 9WN1 come from?+

Courtney Plummer Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KOSH, about 9 nm away — close enough for situational awareness, but local conditions at 9WN1 can differ.

Does 9WN1 have a TAF?+

No — 9WN1 does not publish its own TAF. The nearest TAF station is KGRB, about 33 nm away.

Does 9WN1 broadcast D-ATIS?+

No — 9WN1 does not broadcast D-ATIS. Alerts for 9WN1 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Courtney Plummer Airport (9WN1)

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 Courtney Plummer 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 9WN1 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.

From the ATIS Alerts team

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