Southwest Washington Regional Airport

KKLS / KLS

Kelso, US

Last Updated
Mar 4, 21:56Z

Current Weather

Display Units
Aging 1 hour ago
21:56Z

🌙 Night
VFR
Flight Rules
11°C
Temperature
Dewpoint: 6°C
6 kt
260°
10 SM
Visibility
3,200 ft
Ceiling
Above Ground Level
1016 hPa
QNH
Altimeter Setting

Raw METAR

METAR KKLS 042156Z AUTO 26006KT 10SM FEW025 OVC032 11/06 A3000 RMK AO2 RAE09 SLP161 P0000 T01110061

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 20 ft
FEW 2,500 ft AGL
OVC 3,200 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
2,500 ft
AGL (Above Ground)
2,520 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
3,200 ft
AGL (Above Ground)
3,220 ft AMSL
QNH
1016 hPa
Sea Level Pressure
For altitude above MSL
QFE
1015 hPa
Field Pressure
Height above aerodrome (20 ft)
Pressure Alt
-63 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -538 ft
ISA Deviation: -4.0°C

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
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Airport Runway Layout

N
KLS
12
30 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 12/30
Active: 30
4,391 ft 100 ft ASP 140°
4.6 kt 3.9 kt
40° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KKLS

5,678 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
53%
MVFR
24.1%
IFR
9.4%
LIFR
13.6%

Southwest Washington Regional Airport is frequently affected by reduced visibility conditions, with VFR weather only 53% of the time and IFR/LIFR conditions occurring in 23% of observations. Prevailing winds are from the SE averaging 6.3 knots. Calm conditions occur 34.1% of the time. Temperature extremes range from -8°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are March, September, January.

Wind Analysis

Prevailing Direction: SE (135°)
Average Speed: 6.3 kt
Maximum Recorded: 26 kt
Calm Winds: 34.1%
Direction Distribution:
N
6.5%
NE
0.8%
E
0.9%
SE
27.4%
S
18.1%
SW
0.8%
W
2.8%
NW
8.6%

Temperature Range

Average: 8.5°C
Range: -8°C to 33°C
-8°C 33°C

Visibility

Average: 9.1 SM
Below 3 SM: 2.5%
Fog Frequency: 3.8%

Best Months for VFR

March September January

Runway Wind Analysis

Runway 12/30
Favorable wind: 100%
Avg crosswind: 3.3 kt

Statistics computed from 5,678 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Southwest Washington Regional Airport - Airport Information

Airport Details

ICAO Code: KKLS
IATA Code: KLS
Type: medium airport
Status: active
Elevation: 20 ft MSL

Location

City: Kelso
Country: US
Latitude: 46.118000°
Longitude: -122.898003°
Time Zone: Etc/GMT+8

Runway Information

Runway 12/30
Length: 4,391 ft
Width: 100 ft
Surface: ASP
ILS: No

About Southwest Washington Regional Airport

Overview

Southwest Washington Regional Airport serves the Kelso, Washington area as a medium-sized airport situated at a low elevation of 20 feet MSL. Located at coordinates 46.118000, -122.898003, the airport provides regional aviation access in southwestern Washington state.

Flying Conditions

Pilots can expect varied weather conditions, with VFR conditions predominating at 50.3% of observed periods. Seasonal variations show significant temperature ranges from -5°C to 33°C, with prevailing winds from the southeast at an average of 6.3 knots. Visibility averages 9 statute miles, though pilots should be prepared for occasional reduced visibility, with 3.6% of observations reporting fog.

Notable Features

The airport features a single runway (12/30) measuring 4,391 feet with an asphalt surface. Wind conditions show a 32.5% occurrence of calm conditions, with maximum recorded winds reaching 26 knots. The airport's low elevation and coastal location contribute to its unique meteorological characteristics.

Approach Considerations

Runway 12/30 demonstrates 100% favorable wind alignment and an average crosswind of just 3.3 knots. Pilots will find optimal VFR conditions during September, October, and January. The low elevation and relatively consistent wind patterns provide generally stable approach conditions for most aircraft operations.

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.