Appleton International Airport

KATW / ATW

Appleton, US

Last Updated
Apr 21, 23:00Z

Current Weather

Display Units
Recent 46 min ago
23:00Z

🌙 Night
VFR
Flight Rules
22°C
Temperature
Dewpoint: 9°C
7 kt
130°
10 SM
Visibility
Ceiling
Unlimited
--
QNH
Altimeter Setting

Raw METAR

SPECI KATW 212300Z 13007KT 10SM SCT120 22/09 A2981

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

Weather Briefing

VFR

Appleton International Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 12,000 feet and 10 SM visibility.

Wind Analysis

Winds are from the southeast (130°) at 7 knots. Runway 11/29 is favored with a 7-knot headwind and 2-knot crosswind component.

Visibility & Ceiling

Visibility is 10 SM. No ceiling exists. Cloud layers reported: scattered at 12,000 ft.

Temperature & Moisture

Temperature is 22°C (72°F) with a dewpoint of 9°C, indicating relatively dry conditions.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to remain VFR throughout the forecast period.

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.

Forecast (TAF)

View Full TAF
Raw TAF
TAF KATW 211735Z 2118/2218 VRB04KT P6SM SKC FM212100 VRB03KT P6SM SCT050 FM220100 08005KT P6SM SKC
Upcoming Changes (Next 12 Hours)
23:46Z BASE
+0h
VFR VRB 4 kt
Visibility: >6SM
01:00Z FM220100
+2h
VFR 80° 5 kt
Visibility: >6SM

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
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
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°
1.7 kt 6.8 kt
104° angle
✈️ 11/29
Active: 11
6,501 ft 150 ft CON 116°
6.6 kt 2.4 kt
20° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KATW

8,203 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
72.1%
MVFR
16.6%
IFR
7.4%
LIFR
3.9%

Appleton International Airport typically experiences VFR conditions 72.1% of the time, though instrument-rated pilots will find IFR weather present approximately 11.3% of observations. Prevailing winds are from the W averaging 8.8 knots, with gusts recorded up to 31 knots. Calm conditions occur 10.7% of the time. Temperature extremes range from -28°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are October, November, February.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 8.8 kt
Maximum Recorded: 31 kt
Calm Winds: 10.7%
Direction Distribution:
N
9.3%
NE
6.8%
E
6.2%
SE
5.7%
S
11.8%
SW
13.2%
W
22.7%
NW
13.5%

Temperature Range

Average: 2.3°C
Range: -28°C to 31°C
-28°C 31°C

Visibility

Average: 9.2 SM
Below 3 SM: 2.1%
Fog Frequency: 2.3%

Best Months for VFR

October November February

Runway Wind Analysis

Runway 03/21
Favorable wind: 100%
Avg crosswind: 5.9 kt
Runway 11/29
Favorable wind: 100%
Avg crosswind: 5.1 kt

Statistics computed from 8,203 METAR observations (Sep 2025 - Apr 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.