Stony Rapids Airport

CYSF / YSF

Stony Rapids, CA

Last Updated
Feb 7, 16:50Z

Current Weather

Display Units
Fresh 4 min ago
16:50Z

🌇 Dusk
MVFR
Flight Rules
-15°C
Temperature
Dewpoint: -17°C
3 kt
270°
3 SM
Visibility
3,400 ft
Ceiling
Above Ground Level
1011 hPa
QNH
Altimeter Setting

Raw METAR

SPECI CYSF 071650Z AUTO 27003KT 3SM -SN OVC034 M15/M17 A2986 RMK SLP141

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 805 ft
OVC 3,400 ft AGL
☁️
OVC
Overcast (8/8 sky coverage)
3,400 ft
AGL (Above Ground)
4,205 ft AMSL
QNH
1011 hPa
Sea Level Pressure
For altitude above MSL
QFE
984 hPa
Field Pressure
Height above aerodrome (805 ft)
Pressure Alt
873 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -2,534 ft
ISA Deviation: -28.4°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF AMD CYSF 071444Z 0714/0724 VRB03KT 3SM -SN SCT009 OVC040 TEMPO 0714/0718 1SM -SN OVC009 FM071800 36005KT 4SM -SN OVC020 TEMPO 0718/0721 6SM -SN OVC030 FM072100 36008KT P6SM -SN OVC025 BECMG 0723/0724 03008KT RMK FCST BASED ON AUTO OBS. NXT FCST BY 071800Z
Upcoming Changes (Next 12 Hours)
16:54Z BASE
+0h
MVFR VRB 3 kt
Visibility: 3SM
Ceiling: 4,000 ft
Light Snow
18:00Z FM071800
+2h
MVFR 360° 5 kt
Visibility: 4SM
Ceiling: 2,000 ft
Light Snow
18:00Z TEMPO
+2h
VFR
Visibility: 6SM
Ceiling: 3,000 ft
Light Snow
21:00Z FM072100
+5h
MVFR 360° 8 kt
Visibility: >6SM
Ceiling: 2,500 ft
Light Snow

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
  • • Hover for exact values and timestamps
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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
YSF
06
24 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 06/24
Active: 24
5,050 ft 100 ft TREATED GRAVEL
2.6 kt 1.5 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CYSF

7,025 observations | Sep 2025 - Feb 2026

Flight Rules Distribution

VFR
52.4%
MVFR
37.3%
IFR
7.1%
LIFR
3.3%

Stony Rapids Airport is frequently affected by reduced visibility conditions, with VFR weather only 52.4% of the time and IFR/LIFR conditions occurring in 10.4% of observations. Prevailing winds are from the W averaging 6 knots. Calm conditions occur 10.3% of the time. Temperature extremes range from -43°C to 29°C, reflecting significant seasonal variation. The best months for VFR flying are September, December, January.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 6 kt
Maximum Recorded: 23 kt
Calm Winds: 10.3%
Direction Distribution:
N
3.5%
NE
4.4%
E
27.3%
SE
8.4%
S
3.3%
SW
3%
W
31.7%
NW
8.2%

Temperature Range

Average: -13.5°C
Range: -43°C to 29°C
-43°C 29°C

Visibility

Average: 7.7 SM
Below 3 SM: 3.5%
Fog Frequency: 1%

Best Months for VFR

September December January

Runway Wind Analysis

Runway 06/24
Favorable wind: 100%
Avg crosswind: 3.4 kt

Statistics computed from 7,025 METAR observations (Sep 2025 - Feb 2026). Data sourced from official aviation weather services. Updated daily.

Stony Rapids Airport - Airport Information

Airport Details

ICAO Code: CYSF
IATA Code: YSF
Type: medium airport
Status: active
Elevation: 805 ft MSL

Location

City: Stony Rapids
Country: CA
Latitude: 59.250301°
Longitude: -105.841003°
Time Zone: Etc/GMT+7

Runway Information

Runway 06/24
Length: 5,050 ft
Width: 100 ft
Surface: TREATED GRAVEL
ILS: No

Nearby Airports

VFR MVFR IFR LIFR No Data

About Stony Rapids Airport

Overview

Stony Rapids Airport serves the remote northern Saskatchewan region, situated at 59.250301, -105.841003 with an elevation of 805 ft MSL. This medium-sized airport provides critical transportation infrastructure for a challenging subarctic environment, supporting regional connectivity and essential transportation needs in a sparsely populated area.

Flying Conditions

Weather conditions at Stony Rapids demonstrate significant variability, with Visual Flight Rules (VFR) predominating at 53.5% of observations. Winter temperatures range extensively from -43°C to 29°C, with an average of -12.5°C, presenting notable challenges for aircraft operations. Visibility averages 7.7 statute miles, with only 3.3% of observations showing reduced visibility below 3 miles.

Notable Features

The airport features a single gravel-treated runway (06/24) measuring 5050 feet in length, designed to accommodate regional and smaller aircraft. Prevailing winds consistently blow from the west (270°) at an average of 6.1 knots, with occasional gusts up to 23 knots. Calm wind conditions occur 10.2% of the time, providing relatively stable approach conditions.

Approach Considerations

Runway 06/24 demonstrates favorable wind alignment, with 100% wind compatibility and an average crosswind of just 3.4 knots. September, December, and January represent the most consistently favorable VFR months for pilots. The airport's high-latitude location requires careful preflight planning and awareness of potential rapid weather changes typical of subarctic regions.

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.