Stewart Airport

CZST / ZST

Stewart, CA

Last Updated
Jul 4, 13:33Z

Current Weather

Display Units
Fresh 25 min ago
13:33Z

☀️ Day
VFR
Flight Rules
10°C
Temperature
Dewpoint: 10°C
0 kt
10 SM
Visibility
7,000 ft
Ceiling
Above Ground Level
1016 hPa
QNH
Altimeter Setting

Raw METAR

SPECI CZST 041333Z 00000KT 10SM -RA FEW008 SCT035 BKN070 BKN090 10/10 A3000 RMK ST2SC1AC2AS2 SLP161

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 24 ft
FEW 800 ft AGL
SCT 3,500 ft AGL
BKN 7,000 ft AGL
BKN 9,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
800 ft
AGL (Above Ground)
824 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
3,500 ft
AGL (Above Ground)
3,524 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
7,000 ft
AGL (Above Ground)
7,024 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
9,000 ft
AGL (Above Ground)
9,024 ft AMSL

Weather Briefing

VFR

Stewart Airport is currently reporting visual flight rules (VFR) conditions with broken clouds at 7,000 feet and 10 SM visibility.

Wind Analysis

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

Visibility & Ceiling

Visibility is 10 SM. The ceiling is 7000 feet AGL (broken), well above standard VFR minimums.

Temperature & Moisture

Temperature is 10°C (50°F) with a dewpoint of 10°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours.

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

QNH
1016 hPa
Sea Level Pressure
For altitude above MSL
QFE
1015 hPa
Field Pressure
Height above aerodrome (24 ft)
Pressure Alt
-59 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -653 ft
ISA Deviation: -5.0°C

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
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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
ZST
18
36

Runway Information

Runway Length Width Surface Heading Wind Component
18/36 3,900 ft 75 ft ASP 194°
0.0 kt 0.0 kt
166° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CZST

4,200 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
75.8%
MVFR
20.3%
IFR
3.7%
LIFR
0.1%

Stewart Airport typically experiences VFR conditions 75.8% of the time, though instrument-rated pilots will find IFR weather present approximately 3.8% of observations. Prevailing winds are from the SW averaging 4.8 knots. Calm conditions occur 43.9% of the time. Temperature extremes range from -16°C to 28°C, reflecting significant seasonal variation. The best months for VFR flying are July, June, May.

Wind Analysis

Prevailing Direction: SW (225°)
Average Speed: 4.8 kt
Maximum Recorded: 16 kt
Calm Winds: 43.9%
Direction Distribution:
E
3.6%
N
4.4%
S
16.5%
W
1.2%
NE
11.8%
NW
0.3%
SE
1.6%
SW
16.7%

Temperature Range

Average: 4.6°C
Range: -16°C to 28°C
-16°C 28°C

Visibility

Average: 10 SM
Below 3 SM: 3.8%
Fog Frequency: 8.3%

Best Months for VFR

July June May

Runway Wind Analysis

Runway 18/36
Favorable wind: 100%
Avg crosswind: 2.3 kt

Statistics computed from 4,200 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Stewart Airport - Airport Information

Airport Details

ICAO Code: CZST
IATA Code: ZST
Type: medium airport
Status: active
Elevation: 24 ft MSL

Location

City: Stewart
Country: CA
Latitude: 55.935410°
Longitude: -129.982435°
Time Zone: Etc/GMT+9

Runway Information

Runway 18/36
Length: 3,900 ft
Width: 75 ft
Surface: ASP
ILS: No

About Stewart Airport

Overview

Stewart Airport is a medium-sized airport located in Stewart, California, situated at an elevation of 24 feet MSL. The airport serves regional aviation needs with its single runway 18/36, which spans 3,900 feet and is constructed of asphalt. Its geographical coordinates at 55.935410, -129.982435 place it in a strategic location for local and regional air traffic.

Flying Conditions

Weather conditions at Stewart Airport are predominantly favorable for flying, with 68.9% of observations reporting VFR conditions. The prevailing winds from the northeast (45°) average 3.7 knots, with a maximum recorded wind speed of 12 knots. Temperature variations are significant, ranging from -16°C to 20°C, with an average of 2.7°C, which pilots should consider for performance planning.

Notable Features

The airport experiences relatively stable weather patterns, with low occurrence of challenging flight conditions. Visibility averages 8.7 statute miles, with only 5.3% of observations reporting visibility below 3 miles. Fog is present in 12.2% of observations, which could impact flight operations during certain periods.

Approach Considerations

Runway 18/36 offers favorable wind conditions, with 100% wind compatibility and an average crosswind of just 2 knots. September, October, and November represent the best months for VFR flying, providing optimal conditions for pilots. When planning approaches, pilots should be prepared for potential low visibility or fog, which occurs in about 12% 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.