Current Weather
Raw METAR
Weather Briefing
VFRSt Charles County Regional Airport/Smartt 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 10 knots with gusts to 16 knots. Runway 09/27 is favored with a 9-knot headwind and 3-knot crosswind component (gusting to 5 knots crosswind).
Visibility & Ceiling
Visibility is 10 SM. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 26°C (79°F) with a dewpoint of 17°C, indicating moderate moisture conditions.
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.
24-Hour Weather Evolution
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 09/27
Active: 09
|
2,000 ft | 75 ft | ASP | 90° |
↑ 9.4 kt
•
↔ 3.4 kt
20° angle
|
| 18/36 | 3,801 ft | 75 ft | ASP | 181° |
↑ 3.3 kt
•
↔ 9.5 kt
71° angle
|
Weather Statistics - KSET
7,445 observations | Sep 2025 - May 2026Flight Rules Distribution
St Charles County Regional Airport/Smartt Field typically experiences VFR conditions 77.2% of the time, though instrument-rated pilots will find IFR weather present approximately 9.4% of observations. Prevailing winds are from the E averaging 8.5 knots, with gusts recorded up to 35 knots. Calm conditions occur 17.3% of the time. Temperature extremes range from -22°C to 36°C, reflecting significant seasonal variation. The best months for VFR flying are May, February, January.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 7,445 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.
St Charles County Regional Airport/Smartt Field - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About St Charles County Regional Airport/Smartt Field
St Charles County Regional Airport/Smartt Field (KSET) is located in St Charles, US at an elevation of 437 feet MSL. The airport has 2 runways (09/27, 18/36), with the longest at 3,801 feet.
Weather Profile
Analysis of 7,445 weather observations shows KSET maintains VFR conditions 77.2% of the time, with marginal VFR accounting for 13.3% and IFR/LIFR conditions present in 9.4% of reports.
Wind Patterns & Runway Selection
Prevailing winds at KSET come from the E (90°) with an average speed of 8.5 knots and recorded gusts up to 35 knots. Calm wind conditions are common (17.3% of observations), allowing flexible runway selection. Runway 09/27 offers the lowest average crosswind component at 5 knots, making it the preferred choice in typical wind conditions.
Seasonal Considerations
The best months for VFR operations are May, February, January, when clear skies are most prevalent. Temperatures at the field range from -22°C (-8°F) to 36°C (97°F), averaging 9.9°C (50°F). High temperatures can significantly impact aircraft performance through increased density altitude. Altimeter settings typically range from 29.28 to 30.75 inHg (992-1041 hPa).
Data Sources: Airport data from OurAirports.com. Weather statistics derived from 7,445 official METAR observations (Sep 2025 - May 2026). Pilots should always verify current conditions through official channels before flight.
Learn More
Recommended guides based on current conditions at KSET
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.