1
Runway
1
Frequency
0
Procedures
0
NOTAMs
Quick Facts
ICAO
K3S4
FAA
3S4
Elevation
1,394 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
42.104, -123.682
Airport Information
Facility Type
AIRPORT
Elevation
1,394 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
SEATTLE
Coordinates
42.1036, -123.6824
Ownership
Public
Hours of Operation
Current Weather
METAR K3S8 101435Z AUTO 00000KT 10SM OVC029 11/06 A3024 RMK AO2
Flight Category
MVFR
Wind
0° at 0 kt
Visibility
10+ SM
Temperature
11°C
Dewpoint
6°C
Altimeter
1024.10 inHg
Cloud Cover
OVC
Nearest weather from K3S8 (30 NM away)
Observed 2026-06-10 14:35Z
Nearby Weather Cameras
No camera at K3S4. Showing nearest cameras.
Cave Junction
NorthWest · Camera 4 · 4 cameras total
4 NM away
Fiddler
NorthWest · Camera 4 · 4 cameras total
10 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 18/36 | 4,807 ft | 60 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| CTAF | 122.9 | ILLINOIS VALLEY |
Active NOTAMs
No active NOTAMs for K3S4.
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K3S4 Operational Overview
Location & Facility
ILLINOIS VALLEY (K3S4) is a publicly owned airport open to the public located in CAVE JUNCTION, Oregon, United States. The field sits at an elevation of 1,394 feet above mean sea level (MSL) at coordinates 42.1036°N, 123.6824°W.
Runways
ILLINOIS VALLEY has 1 runway. The longest runway (18/36) measures 4,807 feet by 60 feet with a asph surface.
Communications & Operations
ILLINOIS VALLEY is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near ILLINOIS VALLEY, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at ILLINOIS VALLEY is MVFR (Marginal VFR — reduced visibility or ceiling). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is K3S4?
K3S4 is the ICAO identifier for ILLINOIS VALLEY, a public-use airport located in CAVE JUNCTION, Oregon, United States.
How many runways does ILLINOIS VALLEY have?
ILLINOIS VALLEY (K3S4) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of K3S4?
The field elevation of ILLINOIS VALLEY is 1,394 feet above mean sea level (MSL).
Is fuel available at K3S4?
No fuel types are currently listed for ILLINOIS VALLEY. Contact the FBO directly for availability.
What are the current weather conditions at K3S4?
The current flight category at ILLINOIS VALLEY is MVFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at K3S4?
There are currently no active NOTAMs for ILLINOIS VALLEY.
How do I access complete data for K3S4?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for ILLINOIS VALLEY.
Where is ILLINOIS VALLEY located?
ILLINOIS VALLEY (K3S4) is located in CAVE JUNCTION, Oregon, United States, at an elevation of 1,394 ft MSL.
Does K3S4 have weather cameras?
K3S4 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.