Watertown Regional
ATY · KATY · Watertown, South Dakota · Codington County · map
Watertown Regional is a public-use airport owned by the City of Watertown, 2 miles northwest of Watertown, South Dakota, 1,749 feet above sea level. It has 2 runways; the longest, 12/30, is 6,898 feet of concrete. It has fuel (100LL avgas, Jet A).
Weather right now KATY · observed 4:53 pm CDT (21:53 UTC), 13 minutes ago
VFR good flying weather
- Wind from the west-northwest (300°) at 9 knots
- Visibility 10 miles or more
- Temperature 79°F (26°C), dew point 41°F (5°C)
- Altimeter 29.81 inHg
The forecast issued Tue 12:33 pm CDT (17:33 UTC), good until Wed 1:00 pm CDT (18:00 UTC)
- From Tue 1:00 pm CDT (18:00 UTC): wind from the west-northwest at 11 knots, visibility more than 6 miles, clear skies VFR
- From Tue 9:00 pm CDT (02:00 UTC): wind from the north-northwest at 4 knots, visibility more than 6 miles, clear skies VFR
- From Wed 11:00 am CDT (16:00 UTC): wind from the west at 8 knots, visibility more than 6 miles, scattered clouds at 22,000 feet VFR
The codes as issued (METAR and TAF)
METAR KATY 062153Z AUTO 30009KT 10SM CLR 26/05 A2981 RMK AO2 SLP091 T02610050
TAF KATY 061733Z 0618/0718 30011KT P6SM SKC FM070200 33004KT P6SM SKC FM071600 27008KT P6SM SCT220
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA ATY · ICAO KATY
- Kind
- Airport · open to the public · publicly owned
- Owner
- City of Watertown
- Elevation
- 1,749 feet above sea level
- Control tower
- No control tower
- Attended
- every day, 4:30 am to 8:30 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- Notes
- landing fee · certified for airline service (Part 139)
- On the chart
- Twin Cities sectional
- Magnetic variation
- 6E
- In the FAA's files since
- December 1937
Runways 2

For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 12/30 | 6,898 × 100 ft | Concrete, excellent | Medium-intensity lights |
| 17/35 | 6,893 × 100 ft | Concrete, good | High-intensity lights |
- Runway 12: PAPI, four lights on the left
- Runway 30: PAPI, four lights on the left, tree 51 ft high 2,013 ft from the end
- Runway 17: PAPI, four lights on the left
- Runway 35: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), building 83 ft high 3,775 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 123.05 | |
| Aty and automated weather (ASOS) | 126.625 | |
| Watertown and center (remote transmitter) Low | 128.5 |
Automated weather (ASOS), by phone 605-882-0578.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Watertown from the FAA register
68 aircraft are registered to owners in Watertown, South Dakota: 46 piston singles, 6 turboprops, 4 piston twins, 3 weight-shift and powered parachutes, 3 helicopters. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in South Dakota.
Accidents and incidents at or near this airport NTSB records · 8 since 1982, 3 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Gulls and geese on and in the vicinity of airport APR-NOV.
- Activate approach lights (MALSR) runway 35; PAPI runway 12, 17, 30, and 35; high-intensity runway lights runway 17/35; medium-intensity runway lights runway 12/30; runway end identifier lights runway 12, 17, and 30 - the common traffic frequency.
- Glider operations apr through sep.
- Annually APRIL- sept hay cutting operations in progress; farming equip may be in approaches.
- Airport surface condition not monitored 10:30 pm to 4:30 am.
- Glider operations prohibited on taxiway D.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.
