KSIY · SIY
Siskiyou County Airport
Montague, CaliforniaElevation 2,648 ftSmall airport
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Runway detail & declared distances
17/35
RWY 17191°T
REILYes
VGSIPAPI (P2L)
Traffic patternLeft
RWY 3511°T
REILYes
VGSIPAPI (P2L)
Traffic patternRight
Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.
AIRPORT INFORMATION
Facility & services
Siskiyou County Airport is in Montague, California. Field elevation 2,648 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerADAM FILIPPONE
Manager phone530-842-8259
AttendedDaily, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAKSIY / SIY
SectionalKLAMATH FALLS
Center (ARTCC)SEATTLE
Flight service (AFSS)RANCHO MURIETA
RegionCalifornia
CountryUnited States
Coordinates41.7814, -122.4680
Distance from city3 NM NE
SERVICES & LIGHTING
FuelJet A
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.000
UNICOM123.000
FREQUENCIES
Communications
121.125
ASOS
ASOS
124.85
SEATTLE CNTR
CNTR
122.4
RANCHO RDO
RDO
123
CTAF/UNICOM
UNIC
123.000
CTAF
CTAF
123.000
UNICOM
UNICOM
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
AIRPORT REMARKS
Operational remarks
›USFS FIRE OPS MAY-SEP.
›SENSITIVE AG CROPS ADJACENT TO RWY/TWY. ROTOCRAFT SHOULD AVOID OPERATING IN THESE AREAS.
›BE ALERT FOR GLIDER OPS MAY-SEP.
›EMAIL: AFILIPPONE@CO.SISKIYOU.CA.US
›FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
›FARMING ACTIVITIES AND EQUIPMENT INVOF RWYS AND TWYS.
›WILDLIFE IN THE VICINITY OF ARPT.
›COUNTY ARPT OFC - YREKA, 530-842-8297.
›ACTVT MIRL RY 17/35, PAPI RYS 17 AND 35, REIL RYS 17 AND 35 - CTAF.
›MIGRATORY FLOCKS OF WATERFOWL IN THE VICINITY OF ARPT DURING SPRING & FALL.
OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does KSIY have a METAR?
Yes. KSIY is a METAR-reporting station; the current observation loads live on this page.
Does KSIY have a TAF?
When KSIY issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KSIY?
KSIY sits at 2,648 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KSIY?
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.