Island Lake Airport

CYIV / YIV

Island Lake, CA

Last Updated
Apr 30, 13:00Z

Current Weather

Display Units
Fresh 9 min ago
13:00Z

☀️ Day
VFR
Flight Rules
-4°C
Temperature
Dewpoint: -8°C
0 kt
9 SM
Visibility
Ceiling
Unlimited
1022 hPa
QNH
Altimeter Setting

Raw METAR

METAR CYIV 301300Z AUTO 00000KT 9SM CLR M04/M08 A3017 RMK SLP234

Weather Briefing

VFR

Island Lake Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 9 SM visibility.

Wind Analysis

Winds are calm, presenting no crosswind concerns for any runway.

Visibility & Ceiling

Visibility is 9 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is -4°C (25°F) with a dewpoint of -8°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods. Temperatures are at or below freezing. Check for icing conditions and ensure aircraft anti-ice/de-ice systems are operational if required.

Forecast Outlook

The TAF forecast covers the next 12 hours. Conditions are expected to remain VFR throughout the forecast period. Expected weather includes: FCST, FCST.

Pilot Recommendations

Conditions are favorable for visual flight.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1022 hPa
Sea Level Pressure
For altitude above MSL
QFE
996 hPa
Field Pressure
Height above aerodrome (770 ft)
Pressure Alt
508 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -1,587 ft
ISA Deviation: -17.5°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CYIV 301240Z 3013/0101 VRB03KT P6SM SKC FM010000 VRB03KT P6SM BKN040 RMK FCST BASED ON AUTO OBS. NXT FCST BY 301900Z
Upcoming Changes (Next 12 Hours)
13:09Z BASE
+0h
VFR VRB 3 kt
Visibility: >6SM
00:00Z FM010000
+11h
VFR VRB 3 kt
Visibility: >6SM
Ceiling: 4,000 ft
FCST, FCST

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
YIV
12
30

Runway Information

Runway Length Width Surface Heading Wind Component
12/30 4,000 ft 100 ft CRUSHED ROCK 123°
0.0 kt 0.0 kt
123° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CYIV

7,728 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
53.6%
MVFR
31%
IFR
14%
LIFR
1.4%

Island Lake Airport is frequently affected by reduced visibility conditions, with VFR weather only 53.6% of the time and IFR/LIFR conditions occurring in 15.4% of observations. Prevailing winds are from the NW averaging 8.5 knots. Temperature extremes range from -36°C to 30°C, reflecting significant seasonal variation. Low visibility conditions (below 3 SM) occur in 6.8% of weather observations. The best months for VFR flying are September, March, April.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 8.5 kt
Maximum Recorded: 26 kt
Calm Winds: 4.1%
Direction Distribution:
N
15.1%
NE
4.7%
E
8.9%
SE
12.2%
S
10.2%
SW
5.9%
W
19%
NW
19.9%

Temperature Range

Average: -8.8°C
Range: -36°C to 30°C
-36°C 30°C

Visibility

Average: 8 SM
Below 3 SM: 6.8%
Fog Frequency: 0.3%

Best Months for VFR

September March April

Runway Wind Analysis

Runway 12/30
Favorable wind: 100%
Avg crosswind: 4.3 kt

Statistics computed from 7,728 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Island Lake Airport - Airport Information

Airport Details

ICAO Code: CYIV
IATA Code: YIV
Type: medium airport
Status: active
Elevation: 770 ft MSL

Location

City: Island Lake
Country: CA
Latitude: 53.857201°
Longitude: -94.653603°
Time Zone: Etc/GMT+6

Runway Information

Runway 12/30
Length: 4,000 ft
Width: 100 ft
Surface: CRUSHED ROCK
ILS: No

Nearby Airports

VFR MVFR IFR LIFR No Data

About Island Lake Airport

Overview

Island Lake Airport (CYIV) is a medium airport located in Island Lake, CA at 770 ft mean sea level. Situated at coordinates 53.857201, -94.653603, the airport serves regional aviation needs with a single runway 12/30 constructed of crushed rock, measuring 4000 feet in length.

Flying Conditions

Weather at Island Lake Airport exhibits significant variability, with visual flight rules (VFR) conditions prevailing 48.7% of the time. Temperature ranges dramatically from -36°C to 30°C, with an average of -6.6°C, creating challenging winter flying conditions. Winds predominantly originate from the northwest at 315°, averaging 8.5 knots with occasional gusts up to 25 knots.

Notable Features

The airport's runway 12/30 demonstrates favorable wind alignment, with 100% wind compatibility. Average crosswind conditions are moderate at 4.2 knots, which generally allows for stable approach and departure operations. Visibility typically remains excellent, averaging 8 statute miles with only 5.9% of observations showing reduced visibility.

Approach Considerations

Pilots should note September, December, and October offer the most consistent VFR conditions. With crushed rock surface and a 4000-foot runway, careful speed and landing technique management is recommended. The airport experiences calm wind conditions 2.4% of the time, and instrument meteorological conditions occur in 16.7% of observations.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.