Illinois Valley Airport (K3S4) Area Aviation Weather & Runway Winds
Aviation weather near Illinois Valley Airport in Cave Junction, OR, decoded from the nearest reporting station (KBOK): conditions, runway crosswinds, and free Telegram airport alerts.
Illinois Valley Airport (K3S4) is a general aviation airport serving pilots in and around Cave Junction, OR at 1,394 ft. K3S4 has no weather station of its own. Conditions here are decoded from KBOK, about 27 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (18, 36), longest 4,807 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KCEC. Track it in the ATIS Alerts Telegram bot to get alerts read from KBOK, the station this page is based on.
No weather station at this airport: showing the nearest station KBOK, 27.1 nm away.
Wind from the south-southeast (150°) at 6 kt, visibility 10+ statute miles, scattered clouds at 700 ft, overcast at 1,900 ft, temperature 14°C (57°F), altimeter 30.03 inHg. Conditions are Marginal VFR (MVFR), ceiling 1,900 ft.
SPECI KBOK 130623Z AUTO 15006KT 10SM SCT007 OVC019 14/12 A3003 RMK AO2 PNO $
What changed at KBOK (nearest station)?
Since the 0556Z (10:56 PM PDT) report, compared automatically against the latest METAR.
- Flight category improved from IFR to MVFR.
- Ceiling lifted from 700 ft to 1,900 ft.
The latest report is an off-schedule special (SPECI), issued because conditions changed significantly. What is a SPECI? →
This is exactly what ATIS Alerts watches for you: get a Telegram message when K3S4's weather changes, free →
Current pilot readout for K3S4
Based on the nearest station (KBOK), K3S4 is currently MVFR with winds from 150° at 6 knots, visibility 10+ statute miles, and a 1,900 ft ceiling. The strongest crosswind component is currently on runway 18, about 4 knots. Density altitude is approximately 1,450 ft (field elevation 1,394 ft). K3S4 does not publish a TAF. The nearest TAF station is KCEC, about 32 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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Track K3S4 free on TelegramRunway 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 K3S4. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 18FAV | 4,807 ft | ASP | 4 kt head | 4 kt left |
| 36 | 4,807 ft | ASP | 4 kt tail | 4 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 23 h: wind 0→6 kt, ceiling unlimited → 1,900 ft.
K3S4 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Illinois Valley Airport in Cave Junction, OR: 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 K3S4 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
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 K3S4
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
EUG UA /OV EUG150030/TM 0515/FL150/TP E75L/TA M15/IC LGT RIME 080-150/RM DURD
EUG UAHeader: reporting station and UA: a routine pilot report.OV EUG150030Location: fix or navaid, optionally with a radial and distance in NM.TM 0515Reported at 05:15 UTC.FL150Altitude: 15,000 ft MSL.TP E75LAircraft type reporting.TA M15Outside air temperature, °C.IC LGT RIME 080-150Icing: light rime 8,000–15,000 ft.RM DURDRemarks.Show raw report
LMT UA /OV LMT320010/TM 0233/FL010/TP PC12/RM WS +/- 10KT DURD-ZSE
LMT UAHeader: reporting station and UA: a routine pilot report.OV LMT320010Location: fix or navaid, optionally with a radial and distance in NM.TM 0233Reported at 02:33 UTC.FL010Altitude: 1,000 ft MSL.TP PC12Aircraft type reporting.RM WS +/- 10KT DURD-ZSERemarks.Show raw report
OTH UA /OV OTH/TM 0038/FLPC12/TP BASE018/WX RA/TB LGT/RM DURD-ZSE
OTH UAHeader: reporting station and UA: a routine pilot report.OV OTHLocation: fix or navaid, optionally with a radial and distance in NM.TM 0038Reported at 00:38 UTC.FLPC12Altitude: hundreds of feet MSL. UNKN = unknown; DURC/DURD = during climb/descent.TP BASE018Aircraft type reporting.WX RAWeather and flight visibility observed.TB LGTTurbulence: light.RM DURD-ZSERemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at K3S4
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KBOK reported a mix of conditions, most often VFR across 33 observations, with 10 flight-category changes. The strongest gust reached 14 kt, the lowest ceiling was 400 ft. Wind most often came from the SE.
Most recent change: IFR → MVFR
Most recent change: MVFR → IFR
- 18
- 78%
- 36
- 22%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 3S4
- City
- Cave Junction
- State
- Oregon
- Country
- United States
- Elevation
- 1,394 ft
- Coordinates
- 42.1037, -123.6820
- Runways
- 2
- Longest runway
- 4,807 ft
- Weather reporting
- Nearest station KBOK
- TAF
- Nearest KCEC
- Time zone
- America/Los_Angeles
- Next sunset
- 19h 57m
Run a flight school, FBO, or club here? Embed K3S4'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
5 airports25–50 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.
- Rogue Valley Flyers - Lake Selmac Park , Selma, OR · 12 mi
- Rogue Valley Flyers - Upper River Rd , Grants Pass, OR · 28 mi
K3S4 weather: frequently asked
What runways are available at K3S4?+
K3S4 has 2 runways: 18, 36; the longest is 4,807 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K3S4 come from?+
Illinois Valley Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KBOK, about 27 nm away, close enough for situational awareness, but local conditions at K3S4 can differ.
Does K3S4 have a TAF?+
No. K3S4 does not publish its own TAF. The nearest TAF station is KCEC, about 32 nm away.
Does K3S4 broadcast D-ATIS?+
No. K3S4 does not broadcast D-ATIS. Alerts for K3S4 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Illinois Valley Airport (K3S4)
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 Illinois Valley 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 K3S4 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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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