Current Weather
Raw METAR
Weather Briefing
VFRSioux Gateway Airport / Brigadier General Bud Day Field is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.
Wind Analysis
Winds are from the east-southeast (110°) at 6 knots. Runway 13/31 is favored with a 6-knot headwind and 2-knot crosswind component.
Visibility & Ceiling
Visibility is 10 SM. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 11°C (52°F) with a dewpoint of 8°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.
Forecast Outlook
The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Thunderstorm Rain. There is a 30% probability of MVFR conditions with Light Thunderstorm Rain between 00:00Z and 03:00Z.
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. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.
This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 13/31
Active: 13
|
9,002 ft | 150 ft | CON | 136° |
↑ 5.6 kt
•
↔ 2.1 kt
20° angle
|
|
✈️ 17/35
Active: 17
|
6,600 ft | 150 ft | ASP | 181° |
↑ 3.0 kt
•
↔ 5.2 kt
60° angle
|
Weather Statistics - KSUX
8,637 observations | Sep 2025 - May 2026Flight Rules Distribution
Sioux Gateway Airport / Brigadier General Bud Day Field typically experiences VFR conditions 72.3% of the time, though instrument-rated pilots will find IFR weather present approximately 8.5% of observations. Prevailing winds are from the NW averaging 10.3 knots, with gusts recorded up to 40 knots. Temperature extremes range from -25°C to 35°C, reflecting significant seasonal variation. The best months for VFR flying are May, October, September.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 8,637 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.
Sioux Gateway Airport / Brigadier General Bud Day Field - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
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About Sioux Gateway Airport / Brigadier General Bud Day Field
Overview
Sioux Gateway Airport serves the Sioux City metropolitan area in Iowa, strategically located in the upper Midwestern United States. As a medium-sized airport with two substantial runways, it supports regional commercial, general aviation, and potential military operations. The airport honors Brigadier General Bud Day, recognizing its connection to military aviation history.
Flying Conditions
Weather conditions at KSUX demonstrate significant variability, with Visual Flight Rules (VFR) predominating 70.2% of observed periods. Pilots can expect northwest winds averaging 9.9 knots, with temperature ranges spanning from -25°C to 33°C. Seasonal transitions in September, October, and January offer the most consistent VFR conditions, while winter and early spring present more challenging meteorological environments.
Notable Features
Situated at 1,098 feet mean sea level, Sioux Gateway Airport features two concrete and asphalt runways with substantial lengths: Runway 13/31 at 9,002 feet and Runway 17/35 at 6,600 feet. Both runways demonstrate nearly 100% wind compatibility, with minimal average crosswind components of 3.8 and 5.2 knots respectively. Visibility typically exceeds 9 statute miles, with only 3.1% of observations reporting visibility below 3 miles.
Approach Considerations
Prevailing northwest winds (315 degrees) significantly influence approach strategies, providing consistent runway alignment opportunities. The extensive 9,002-foot primary runway offers considerable operational flexibility for diverse aircraft types. Pilots should anticipate potential reduced visibility during 4.7% of observations involving fog, particularly during seasonal transition periods.
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.
Learn More
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Official Data Sources
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.