Chester Wyss Airport (LL75) Area Aviation Weather & Runway Winds
As of 9:15 AM CDT, Oct 28, based on the nearest station (KFEP), LL75 is currently VFR with winds from 170° at 7 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Chester Wyss Airport in Rock City, IL, decoded from the nearest reporting station (KFEP): conditions and runway crosswinds.
Chester Wyss Airport (LL75) is a general aviation airport serving pilots in and around Rock City, IL at a field elevation of 920 ft. LL75 has no weather station of its own. Conditions here are decoded from KFEP, about 12 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (N, S), the longest 1,900 ft. The nearest TAF is issued for KRFD.
No weather station at this airport: showing the nearest station KFEP, 12.2 nm away.
Wind from the south (170°) at 7 kt, visibility 10+ statute miles, no cloud data, temperature 15°C (58°F), altimeter 30.21 inHg. Conditions are Visual Flight Rules (VFR).
METAR KFEP 281415Z AUTO 17007KT 10SM CLR 15/12 A3021 RMK AO2 T01450115
What changed at KFEP (nearest station)?
Since the 1355Z (8:55 AM CDT) report, compared automatically against the latest METAR.
No significant changes since the 1355Z (8:55 AM CDT) report, conditions are holding steady.
Current pilot readout for LL75
Based on the nearest station (KFEP), LL75 is currently VFR with winds from 170° at 7 knots, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 700 ft (field elevation 920 ft). LL75 does not publish a TAF. The nearest TAF station is KRFD, about 21 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 |
|---|---|---|---|---|
| NFAV | 1,900 ft | TURF | 7 kt tail | 1 kt right |
| S | 1,900 ft | TURF | 7 kt tail | 1 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 24 h: wind 6→7 kt, ceiling unlimited → unlimited.
LL75 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 LL75
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
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.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.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.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at LL75
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KFEP reported mostly VFR across 72 observations, with 0 flight-category changes. 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.
- N/S
- 100%
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North up
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- LL75
- City
- Rock City
- State
- Illinois
- Country
- United States
- Elevation
- 920 ft
- Coordinates
- 42.4250, -89.4501
- Runways
- 2 physical runways · 2 runway ends
- Longest runway
- 1,900 ft
- Weather reporting
- Nearest station KFEP
- TAF
- Nearest KRFD
- Time zone
- America/Chicago
- Sunset in
- 8h 36m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
10 airports+4 more within 25 NM
25–50 NM
6 airports50–100 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.
- Cedarville Community Center , Cedarville, IL · 10 mi
- Freeport RC Modelers Club - Oppold / Blumendahl Rd. , Freeport, IL · 12 mi
- Rock Valley RC Flyers - Harrison Rd , Rockford, IL · 16 mi
Pilot PIREPs for Chester Wyss Airport (LL75)
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 Chester Wyss 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 LL75 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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