Waterloo Regional Airport

KALO / ALO

Waterloo, US

Last Updated
Mar 4, 10:25Z

Current Weather

Display Units
Fresh 21 min ago
10:25Z

☀️ Day
VFR
Flight Rules
-3°C
Temperature
Dewpoint: -3°C
4 kt
10°
--
Visibility
Ceiling
Unlimited
1022 hPa
QNH
Altimeter Setting

Raw METAR

SPECI KALO 041025Z AUTO 01004KT 1 1/4SM BR CLR M03/M03 A3017 RMK AO2 I1000 T10281028
QNH
1022 hPa
Sea Level Pressure
For altitude above MSL
QFE
993 hPa
Field Pressure
Height above aerodrome (873 ft)
Pressure Alt
611 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -1,339 ft
ISA Deviation: -16.3°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KALO 040807Z 0408/0506 VRB03KT 3SM BR FEW006 SCT022 BKN035 TEMPO 0409/0413 1SM BR SCT004 BKN020 FM041300 VRB04KT P6SM BKN018 FM050100 VRB03KT P6SM BKN030
Upcoming Changes (Next 12 Hours)
10:46Z BASE
+0h
MVFR VRB 3 kt
Visibility: 3SM
Ceiling: 3,500 ft
Mist
13:00Z FM041300
+3h
MVFR VRB 4 kt
Visibility: >6SM
Ceiling: 1,800 ft

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
ALO
06
24
12
30
18
36 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
06/24 5,403 ft 129 ft ASP 68°
2.1 kt 3.4 kt
58° angle
12/30 8,400 ft 150 ft ASP 128°
1.9 kt 3.5 kt
118° angle
✈️ 18/36
Active: 36
6,002 ft 150 ft ASP 187°
3.9 kt 0.7 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KALO

4,984 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
70.3%
MVFR
18.7%
IFR
6%
LIFR
5%

Waterloo Regional Airport typically experiences VFR conditions 70.3% of the time, though instrument-rated pilots will find IFR weather present approximately 11% of observations. Prevailing winds are from the NW averaging 9.7 knots, with gusts recorded up to 33 knots. Temperature extremes range from -28°C to 34°C, reflecting significant seasonal variation. The best months for VFR flying are October, September, February.

Wind Analysis

Prevailing Direction: NW (315°)
Average Speed: 9.7 kt
Maximum Recorded: 33 kt
Calm Winds: 9.6%
Direction Distribution:
N
8.2%
NE
4.1%
E
8.4%
SE
13%
S
14.1%
SW
5.5%
W
11.6%
NW
25.4%

Temperature Range

Average: 1.7°C
Range: -28°C to 34°C
-28°C 34°C

Visibility

Average: 9.1 SM
Below 3 SM: 2.9%
Fog Frequency: 4.4%

Best Months for VFR

October September February

Runway Wind Analysis

Runway 06/24
Favorable wind: 100%
Avg crosswind: 7.7 kt
Runway 12/30
Favorable wind: 100%
Avg crosswind: 4.3 kt
Runway 18/36
Favorable wind: 100%
Avg crosswind: 6.4 kt

Statistics computed from 4,984 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Waterloo Regional Airport - Airport Information

Airport Details

ICAO Code: KALO
IATA Code: ALO
Type: medium airport
Status: active
Elevation: 873 ft MSL

Location

City: Waterloo
Country: US
Latitude: 42.557098°
Longitude: -92.400299°
Time Zone: Etc/GMT+6

Runway Information

Runway 06/24
Length: 5,403 ft
Width: 129 ft
Surface: ASP
ILS: No
Runway 12/30
Length: 8,400 ft
Width: 150 ft
Surface: ASP
ILS: No
Runway 18/36
Length: 6,002 ft
Width: 150 ft
Surface: ASP
ILS: No

About Waterloo Regional Airport

Overview

Waterloo Regional Airport serves the northeastern Iowa region as a medium-sized airport situated at 873 feet mean sea level. Located at coordinates 42.557098, -92.400299, the airport provides critical aviation infrastructure for the Waterloo metropolitan area. The facility features three asphalted runways ranging from 5,403 to 8,400 feet in length.

Flying Conditions

Weather observations indicate predominantly VFR conditions at 67%, with MVFR conditions occurring 19.5% of the time. Temperature extremes range from -28°C to 34°C, creating diverse seasonal flying environments. Winds predominantly originate from the northwest at an average of 9.9 knots, with maximum recorded gusts of 32 knots and calm periods occurring 10.1% of the time.

Notable Features

The airport's three runways provide significant operational flexibility with consistent wind coverage. Visibility averages 9 statute miles, with reduced visibility below 3SM occurring in only 3.4% of observations. Fog events are relatively infrequent, appearing in just 5.5% of recorded weather conditions.

Approach Considerations

All three runways demonstrate 100% favorable wind alignment, with average crosswind components ranging from 4.2 to 7.8 knots. September through November represent the most consistently favorable VFR months for pilots. Runway selection can be confidently made based on current wind conditions, with minimal crosswind interference.

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.