KSIY/SIY METAR Siskiyou County Airport

Montague, CaliforniaElevation 2,648 ftSmall airport
CURRENT STATUS
VFR52 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
1,309 ft
-1,339 ft vs field
CURRENT METAR

Decoded observation

Observed 0853Z (1:53 AM local) · 52 min old

KSIY is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
0°C / -2°C
32°F / 28°F. 2°C spread.
ALTIMETER
30.10 inHg
1019.3 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP207
sea-level pressure 1020.7 hPa
T00001022
precise temperature 0.0°C, dew point -2.2°C
58003
3-hour pressure tendency: falling quickly (0.3 hPa change)
FAA: no delays reported at SIY.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling none. Forecast suggests sunday partly sunny, high near 66F, low near 34F, 37% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Partly Sunny 66/34 ESE 14 kt 21 kt 37%
Monday Slight Chance Light Rain then Mostly Sunny 57/30 S 11 kt 17 kt 15%
Tuesday Mostly Sunny 59/28 NNW 3 kt – 1%
Wednesday Mostly Sunny 59/28 N 1 kt – 5%
Thursday Mostly Sunny then Slight Chance Light Rain 55/25 NNW 3 kt – 18%
Friday Slight Chance Light Rain 53/24 NNE 2 kt – 24%
Saturday Slight Chance Light Rain 54 NNE 2 kt – 20%

Source: National Weather Service (office MFR). Forecast issued 0945Z.

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 · crosswind ranking
NESW1735CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

1 runway · longest 7,490 ft

17/35
Dimensions
7,490 x 150 ft
Surface
Asphalt (good)
Edge lights
MED
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.

FIELD CONDITIONS

Performance & density altitude

Density altitude
1,309 ft
Pressure altitude
2,468 ft
Field elevation
2,648 ft MSL
Temperature
0°C (32°F)
Dewpoint
-2°C (28°F)
Altimeter
30.10 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0115Z 6:15 PM
Sunrise
1433Z 7:33 AM
Loggable night
0143Z (6:43 PM local) → 1405Z (7:05 AM local)
end of evening to start of morning civil twilight
Position lights required
0115Z (6:15 PM local) → 1433Z (7:33 AM local)
sunset to sunrise (91.209)
Night passenger currency
0215Z (7:15 PM local) → 1333Z (6:33 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

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.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

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.
FREQUENTLY ASKED
Does KSIY have a METAR?
Yes. KSIY has a current METAR observation, decoded into plain English 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.