Stillwater Regional Airport

KSWO / SWO

Stillwater, US

Last Updated
Jul 4, 17:53Z

Current Weather

Display Units
Recent 46 min ago
17:53Z

☀️ Day
VFR
Flight Rules
34°C
Temperature
Dewpoint: 24°C
3 kt
Variable
10 SM
Visibility
Ceiling
Unlimited
1015 hPa
QNH
Altimeter Setting

Raw METAR

METAR KSWO 041753Z VRB03KT 10SM CLR 34/24 A2998 RMK AO2 SLP135 T03390239 10339 20239 58013

Weather Briefing

VFR

Stillwater Regional Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.

Wind Analysis

Winds are from the variable directions at 3 knots.

Visibility & Ceiling

Visibility is 10 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 34°C (93°F) with a dewpoint of 24°C, indicating moderate moisture conditions. High temperatures at this elevation may result in significant density altitude effects. Pilots should calculate density altitude and adjust performance expectations accordingly.

Forecast Outlook

The TAF forecast covers the next 24 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Thunderstorm Rain, Light Showers Rain. Winds are forecast to reach up to 20 knots during the period. Expect variable wind speeds ranging from 7 to 20 knots. Temporary IFR conditions are forecast with Thunderstorm Rain between 01:00Z and 05:00Z. Temporary IFR conditions are forecast with Thunderstorm Rain between 05:00Z and 09:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. 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.

QNH
1015 hPa
Sea Level Pressure
For altitude above MSL
QFE
982 hPa
Field Pressure
Height above aerodrome (1,000 ft)
Pressure Alt
948 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,468 ft (High - Reduced Performance)
ISA Deviation: +21.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KSWO 041720Z 0418/0518 17010G16KT P6SM SCT080 BKN250 FM042300 12007KT P6SM BKN060 BKN250 TEMPO 0501/0505 VRB20G35KT 2SM TSRA OVC060CB FM050500 06008KT P6SM -SHRA OVC050 TEMPO 0505/0509 VRB20G35KT 2SM TSRA OVC050CB
Upcoming Changes (Next 12 Hours)
18:38Z BASE
+0h
VFR 170° 10 kt
Visibility: >6SM
Ceiling: 25,000 ft
23:00Z FM042300
+5h
VFR 120° 7 kt
Visibility: >6SM
Ceiling: 6,000 ft
01:00Z TEMPO
+7h
IFR VRB 20 kt
Visibility: 2SM
Ceiling: 6,000 ft
Thunderstorm Rain
05:00Z FM050500
+11h
VFR 60° 8 kt
Visibility: >6SM
Ceiling: 5,000 ft
Light Showers Rain

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
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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
SWO
04
22
13
31
17
35

Runway Information

Runway Length Width Surface Heading Wind Component
04/22 5,002 ft 75 ft ASP 44° No wind data
13/31 5,003 ft 150 ft CON 133° No wind data
17/35 7,401 ft 100 ft ASP 179° No wind data
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KSWO

8,001 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
78.3%
MVFR
12.7%
IFR
5.8%
LIFR
3.2%

Stillwater Regional Airport typically experiences VFR conditions 78.3% of the time, though instrument-rated pilots will find IFR weather present approximately 9% of observations. Prevailing winds are from the S averaging 9.1 knots, with gusts recorded up to 39 knots. Temperature extremes range from -16°C to 36°C, reflecting significant seasonal variation. The best months for VFR flying are July, September, February.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 9.1 kt
Maximum Recorded: 39 kt
Calm Winds: 9.2%
Direction Distribution:
E
9.4%
N
13.4%
S
30.1%
W
3.3%
NE
8.2%
NW
6.7%
SE
13.8%
SW
6%

Temperature Range

Average: 15°C
Range: -16°C to 36°C
-16°C 36°C

Visibility

Average: 9.3 SM
Below 3 SM: 1.6%
Fog Frequency: 1.5%

Best Months for VFR

July September February

Runway Wind Analysis

Runway 04/22
Favorable wind: 100%
Avg crosswind: 5.8 kt
Runway 13/31
Favorable wind: 100%
Avg crosswind: 6 kt
Runway 17/35
Favorable wind: 100%
Avg crosswind: 4 kt

Statistics computed from 8,001 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Stillwater Regional Airport - Airport Information

Airport Details

ICAO Code: KSWO
IATA Code: SWO
Type: medium airport
Status: active
Elevation: 1,000 ft MSL

Location

City: Stillwater
Country: US
Latitude: 36.162132°
Longitude: -97.085581°
Time Zone: Etc/GMT+6

Runway Information

Runway 04/22
Length: 5,002 ft
Width: 75 ft
Surface: ASP
ILS: No
Runway 13/31
Length: 5,003 ft
Width: 150 ft
Surface: CON
ILS: No
Runway 17/35
Length: 7,401 ft
Width: 100 ft
Surface: ASP
ILS: No

About Stillwater Regional Airport

Overview

Stillwater Regional Airport serves the Stillwater area in Oklahoma, providing a medium-sized airport facility for general aviation and regional transportation. Located at 36.162132, -97.085581 with an elevation of 1000 feet MSL, the airport offers three runways supporting diverse aircraft operations.

Flying Conditions

Weather conditions at KSWO demonstrate predominantly favorable flying conditions, with 82.5% of observations reporting VFR conditions. The airport experiences a significant temperature range from -13°C to 34°C, with prevailing southerly winds averaging 8 knots. Visibility typically remains excellent at 9.4 statute miles, with minimal instances of restricted visibility.

Notable Features

The airport features three runways with varying lengths: Runway 04/22 and 13/31 at approximately 5000 feet, and a longer Runway 17/35 extending 7401 feet. All runways show 100% favorable wind alignment, with minimal average crosswind components ranging from 3.5 to 5.5 knots. The asphalt and concrete surface compositions provide reliable landing conditions across different aircraft types.

Approach Considerations

Pilots can expect consistent wind patterns predominantly from the south (180 degrees), which provides predictable approach conditions. September, January, and December represent the most consistently favorable months for VFR operations. With calm wind conditions occurring 12.5% of the time, pilots should be prepared for variable wind scenarios during approach and landing.

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.