Current Weather
Raw METAR
Weather Briefing
MVFRSioux Gateway Airport / Brigadier General Bud Day Field is currently reporting marginal VFR (MVFR) conditions with clear skies and 3 SM visibility.
Wind Analysis
Winds are calm, presenting no crosswind concerns for any runway.
Visibility & Ceiling
Visibility is 3 SM, below VFR minimums in some airspace classifications. Check local requirements before departing VFR. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 22°C (72°F) with a dewpoint of 21°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.
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: Smoke.
Pilot Recommendations
VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further. 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.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
| 13/31 | 9,002 ft | 150 ft | CON | 136° |
↑ 0.0 kt
•
↔ 0.0 kt
136° angle
|
| 17/35 | 6,600 ft | 150 ft | ASP | 181° |
↑ 0.0 kt
•
↔ 0.0 kt
179° angle
|
Weather Statistics - KSUX
10,412 observations | Sep 2025 - Jul 2026Flight Rules Distribution
Sioux Gateway Airport / Brigadier General Bud Day Field typically experiences VFR conditions 73.8% of the time, though instrument-rated pilots will find IFR weather present approximately 8.2% of observations. Prevailing winds are from the NW averaging 10.1 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 July, October, September.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 10,412 METAR observations (Sep 2025 - Jul 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.