Weidner Airport (4IS9) Area Aviation Weather & Runway Winds
As of 1:50 PM CDT, Oct 28, based on the nearest station (KALN), 4IS9 is currently VFR with winds from 160° at 12 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Weidner Airport in Bunker Hill, IL, decoded from the nearest reporting station (KALN): conditions and runway crosswinds.
Weidner Airport (4IS9) is a general aviation airport serving pilots in and around Bunker Hill, IL at a field elevation of 667 ft. 4IS9 has no weather station of its own. Conditions here are decoded from KALN, about 12 nm away, the nearest reporting station, and local conditions can differ. It has one runway (09/27), the longest 2,769 ft. The nearest TAF is issued for KSTL.
No weather station at this airport: showing the nearest station KALN, 12.4 nm away.
Wind from the south-southeast (160°) at 12 kt, visibility 10+ statute miles, no cloud data, temperature 25°C (77°F), altimeter 30.18 inHg. Conditions are Visual Flight Rules (VFR).
METAR KALN 281850Z 16012KT 10SM CLR 25/10 A3018
What changed at KALN (nearest station)?
Since the 1750Z (12:50 PM CDT) report, compared automatically against the latest METAR.
- Pressure falling: altimeter 30.21 → 30.18 inHg.
Current pilot readout for 4IS9
Based on the nearest station (KALN), 4IS9 is currently VFR with winds from 160° at 12 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors east-facing runway ends (09). Density altitude is approximately 1,700 ft (field elevation 667 ft). 4IS9 does not publish a TAF. The nearest TAF station is KSTL, about 28 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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09FAV | 2,769 ft | TURF | 4 kt head | 11 kt right |
| 27 | 2,769 ft | TURF | 4 kt tail | 11 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
4IS9 runways
1 physical runway · 2 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 09/272,769 × 100 ft · TURFCurrent useno stated-runway source at 4IS9Wind
- 09
- 4 kt headwind · 11 kt crosswind from right
- 27
- 4 kt tailwind · 11 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 22 h: wind 6→12 kt, ceiling 12,000 ft → unlimited.
4IS9 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 4IS9
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SET UA /OV STL315026 /TM 1503 /FL090 /TP C182 /SK OVC090-TOP110 /WX FV99SM /TA 08 /WV 00000KT /TB NEG /IC NEG /RM FV 99SM OUTSIDE CLDS
SET UAHeader: reporting station and UA: a routine pilot report.OV STL315026Location: fix or navaid, optionally with a radial and distance in NM.TM 1503Reported at 15:03 UTC.FL090Altitude: 9,000 ft MSL.TP C182Aircraft type reporting.SK OVC090-TOP110Sky condition: cloud bases and tops in hundreds of feet MSL.WX FV99SMWeather and flight visibility observed.TA 08Outside air temperature, °C.WV 00000KTWind (direction/speed) or wind-shear remarks.TB NEGTurbulence: none reported.IC NEGIcing: none reported.RM FV 99SM OUTSIDE CLDSRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 4IS9
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KALN reported mostly VFR across 41 observations, with 0 flight-category changes. The lowest ceiling was 12,000 ft. Wind most often came from the S.
Most recent change: IFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 27
- 52%
- 09
- 48%
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Live crosswind meter
4IS9 has no weather feed online, so the wind comes from KALN, 12 nm away.
Wind is 68° off runway 09, the end with the most headwind right now.
Have a weather station at 4IS9? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 2,769 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
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
- Repairs
- Airframe & engine, minor
- Landing fee
- No
- Control tower
- None
- Wind indicator
- Unlighted
Airport
- Type
- General aviation airport
- FAA LID
- 4IS9
- City
- Bunker Hill
- State
- Illinois
- Country
- United States
- Elevation
- 667 ft
- Coordinates
- 39.0859, -89.9589
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 2,769 ft
- Weather reporting
- Nearest station KALN
- TAF
- Nearest KSTL
- Time zone
- America/Chicago
- Sunset in
- 3h 14m
Run a flight school, FBO, or club here? Embed 4IS9'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
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 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.
- St Louis Regional Airport , East Alton, IL · 15 mi
- East Side RC Club - Southern Illinois University Edwardsville , Edwardsville, IL · 19 mi
- Midwest Air Wing R/C Club - Bruns Rd , Pontoon Beach, IL · 27 mi
Pilot PIREPs for Weidner Airport (4IS9)
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 Weidner 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 4IS9 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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