WxDecoder

K3S4 Weather Illinois Valley Airport

Cave Junction, OregonElevation 1,394 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KBOK · 27 NM W · 22 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBOK
WIND
150@9
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, temperature 8.89C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon partly sunny, high near 67F, low near 38F, 93% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Partly Sunny 67/38 SW 12 kt 18 kt 93%
Monday Chance Light Rain 57/36 SW 7 kt – 48%
Tuesday Chance Light Rain 59/34 NNW 2 kt – 37%
Wednesday Mostly Sunny then Slight Chance Light Rain 60/33 SW 4 kt – 19%
Thursday Chance Light Rain 56/26 SW 3 kt – 29%
Friday Chance Light Rain 56/25 SSW 3 kt – 31%
Saturday Chance Light Rain 58/26 WSW 1 kt – 31%

Source: National Weather Service (office MFR). Forecast issued 2217Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
1 runway
NESW1836
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 4,807 ft

18/36
Dimensions
4,807 x 60 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 18197°T
Landing length (LDA)4,682 ft
TORA / TODA / ASDA4,807 / 4,807 / 4,807 ft
Displaced threshold125 ft
REILYes
VGSIPAPI (P2L)
Traffic patternLeft
RWY 3617°T
Landing length (LDA)4,682 ft
TORA / TODA / ASDA4,682 / 4,682 / 4,807 ft
REILYes
VGSIPAPI (P2L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
1,394 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0118Z 6:18 PM
Sunrise
1440Z 7:40 AM
Loggable night
0146Z (6:46 PM local) → 1411Z (7:11 AM local)
end of evening to start of morning civil twilight
Position lights required
0118Z (6:18 PM local) → 1440Z (7:40 AM local)
sunset to sunrise (91.209)
Night passenger currency
0218Z (7:18 PM local) → 1340Z (6:40 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Illinois Valley Airport is in Cave Junction, Oregon. Field elevation 1,394 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerMICHAEL CRISAFULLI
Manager phone541-955-4535
AttendedALL M-F, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAK3S4
SectionalKLAMATH FALLS
Center (ARTCC)SEATTLE
Flight service (AFSS)MC MINNVILLE
RegionOregon
CountryUnited States
Coordinates42.1037, -123.6820
Distance from city4 NM SW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.900
FREQUENCIES

Communications

122.8
CTAF/UNICOM
UNIC
122.900
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

K3S4 has no on-field report. Nearest reporting station: KBOK (27 NM W, VFR).

KBOK Brookings Airport
27 NM W
VFR
KCEC Jack Mc Namara Field Airport
32 NM SW
VFR
KMFR Rogue Valley International-Medford Airport
39 NM NE
VFR
KSIY Siskiyou County Airport
58 NM E
VFR
KRBG Roseburg Regional Airport
70 NM N
VFR
KACV California Redwood Coast-Humboldt County Airport
70 NM S
VFR
AIRPORT REMARKS

Operational remarks

›AUTOMATED UNICOM. ADZY ALSO AVBL BY CALLING 617-262-3825.
›RWY 18 14:1 BASED ON DTHR. RWY 18 15 FT ROAD AT 330 FT ON CL 22:1 BASED ON DTHR
›MIRL SET 1 FT OFF RWY EDGE
›4 FT BRUSH IN PRI SFC AREA.
›FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
›ACTVT REIL 18 & 36; MIRL RWY 18/36 - CTAF.
›RWY HAS BASIC MARKINGS WITH SIDE STRIPES
›ESTABD PRIOR TO 1959.
›RY 36 DESIGNATED CALM WIND RY.
›(E94) USFS WX STN.
›FREQUENT ULTRA-LIGHT ACTIVITY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗K3S4 on OurAirports
FREQUENTLY ASKED
Does K3S4 have a METAR?
No on-field METAR is issued for K3S4. This page uses the nearest reporting station as a reference.
Does K3S4 have a TAF?
No TAF is issued directly for K3S4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K3S4?
K3S4 sits at 1,394 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K3S4?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.