Appleton International Airport

KATW / ATW

Appleton, US

Last Updated
Mar 5, 00:45Z

Current Weather

Display Units
Recent 55 min ago
00:45Z

🌙 Night
VFR
Flight Rules
9°C
Temperature
Dewpoint: 1°C
4 kt
Variable
10 SM
Visibility
Ceiling
Unlimited
--
QNH
Altimeter Setting

Raw METAR

METAR KATW 050045Z VRB04KT 10SM SCT120 09/01 A3006

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 918 ft
SCT 12,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
12,000 ft
AGL (Above Ground)
12,918 ft AMSL

Forecast (TAF)

View Full TAF
Raw TAF
TAF KATW 042338Z 0500/0524 14004KT P6SM SKC FM050900 05006KT P6SM FEW030 SCT045 FM051300 06009KT P6SM BKN028 PROB30 0514/0519 5SM -RA BR BKN018 FM051900 07009KT P6SM BKN014
Upcoming Changes (Next 12 Hours)
01:40Z BASE
+0h
VFR 140° 4 kt
Visibility: >6SM
09:00Z FM050900
+8h
VFR 50° 6 kt
Visibility: >6SM
13:00Z FM051300
+12h
MVFR 60° 9 kt
Visibility: >6SM
Ceiling: 2,800 ft

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
  • • Data updated with each new METAR report
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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
ATW
03
21
11
29

Runway Information

Runway Length Width Surface Heading Wind Component
03/21 8,002 ft 150 ft CON 26° No wind data
11/29 6,501 ft 150 ft CON 116° 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 - KATW

6,367 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
73.3%
MVFR
16.9%
IFR
6.9%
LIFR
3%

Appleton International Airport typically experiences VFR conditions 73.3% of the time, though instrument-rated pilots will find IFR weather present approximately 9.9% of observations. Prevailing winds are from the W averaging 8.6 knots. Calm conditions occur 11.4% of the time. Temperature extremes range from -28°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are March, October, November.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 8.6 kt
Maximum Recorded: 30 kt
Calm Winds: 11.4%
Direction Distribution:
N
8.9%
NE
5.5%
E
5.5%
SE
5%
S
11%
SW
13%
W
25.2%
NW
14.5%

Temperature Range

Average: 1.6°C
Range: -28°C to 31°C
-28°C 31°C

Visibility

Average: 9.3 SM
Below 3 SM: 2%
Fog Frequency: 1.5%

Best Months for VFR

March October November

Runway Wind Analysis

Runway 03/21
Favorable wind: 100%
Avg crosswind: 5.9 kt
Runway 11/29
Favorable wind: 100%
Avg crosswind: 4.6 kt

Statistics computed from 6,367 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Appleton International Airport - Airport Information

Airport Details

ICAO Code: KATW
IATA Code: ATW
Type: medium airport
Status: active
Elevation: 918 ft MSL

Location

City: Appleton
Country: US
Latitude: 44.258099°
Longitude: -88.519096°
Time Zone: Etc/GMT+6

Runway Information

Runway 03/21
Length: 8,002 ft
Width: 150 ft
Surface: CON
ILS: No
Runway 11/29
Length: 6,501 ft
Width: 150 ft
Surface: CON
ILS: No

About Appleton International Airport

Overview

Appleton International Airport serves the Fox Cities region in northeastern Wisconsin, providing medium-airport infrastructure for commercial, general aviation, and regional transportation needs. Located at 44.258099, -88.519096 with an elevation of 918 feet MSL, the airport offers two concrete runways supporting diverse aviation operations in central Wisconsin.

Flying Conditions

Weather conditions at KATW demonstrate generally favorable flying environments, with Visual Flight Rules (VFR) conditions prevailing approximately 70.9% of the time. Temperature variations are significant, ranging from -28°C to 31°C, with an average of 3.6°C, which can impact aircraft performance and pilot planning. Westerly winds at an average of 8.7 knots and maximum gusts to 30 knots characterize the airport's wind profile, with calm conditions occurring 12.4% of the time.

Notable Features

The airport features two runways: Runway 03/21 at 8,002 feet and Runway 11/29 at 6,501 feet, both constructed of concrete. Both runways demonstrate 100% favorable wind alignment, with minimal average crosswind components of 6 knots and 4.7 knots respectively. Visibility averages 9.2 statute miles, with limited periods of reduced visibility below 3 miles and occasional fog.

Approach Considerations

Optimal visual meteorological conditions occur during autumn months (September, October, November), providing the most consistent flying environments. Pilots should anticipate westerly wind patterns and be prepared for potential temperature-related performance considerations. The balanced runway configuration allows flexibility in approach and departure planning based on prevailing wind conditions.

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.