WxDecoder

3IN7 Weather Chain-O-Lakes Airport

South Bend, IndianaElevation 743 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KSBN · 3 NM NE · 39 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSBN
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy, low near 47F, 2% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Mostly Sunny then Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy 47 0 kt – 2%
Monday Patchy Fog then Mostly Sunny 72/47 W 4 kt – 3%
Tuesday Partly Sunny 70/50 SE 9 kt – 0%
Wednesday Mostly Sunny 73/54 S 9 kt – 4%
Thursday Mostly Sunny then Chance Showers And Thunderstorms 76/53 SW 9 kt – 25% Thunderstorms in the forecast
Friday Partly Sunny 75/55 S 4 kt – 21%
Saturday Chance Rain Showers 72/56 S 9 kt – 45%
Sunday Chance Rain Showers 69 S 9 kt – 48%

Source: National Weather Service (office IWX). Forecast issued 0232Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 3IN7. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,100 ft

15/33
Dimensions
2,100 x 125 ft
Surface
Turf
RWY 15
RWY 33

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
743 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2249Z 6:49 PM
Sunrise
1210Z 8:10 AM
Loggable night
2318Z (7:18 PM local) → 1141Z (7:41 AM local)
end of evening to start of morning civil twilight
Position lights required
2249Z (6:49 PM local) → 1210Z (8:10 AM local)
sunset to sunrise (91.209)
Night passenger currency
2349Z (7:49 PM local) → 1110Z (7:10 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Chain-O-Lakes Airport is in South Bend, Indiana. Field elevation 743 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerRICHARD E. SCHWEIZER
Manager phone219-289-1362
AttendedMAR-NOV ALL, DAWN–DUSK
CHARTS & AIRSPACE
ICAO / IATA3IN7
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)TERRE HAUTE
RegionIndiana
CountryUnited States
Coordinates41.6612, -86.3532
Distance from city4 NM W
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

3IN7 has no on-field report. Nearest reporting station: KSBN (3 NM NE, VFR).

KSBN South Bend International Airport
3 NM NE
VFR
KEKM Elkhart Municipal Airport
16 NM E
VFR
KPPO La Porte Municipal Airport
18 NM W
VFR
KMGC Michigan City Municipal Airport
21 NM W
VFR
KGSH Goshen Municipal Airport
26 NM E
VFR
KBEH Southwest Michigan Regional Airport
28 NM N
VFR
AIRPORT REMARKS

Operational remarks

›ALSO 15'ROAD, 25'PLINE FM 85'E OF CL AT RWY END.
›ADDITIONAL CONTACT - RICHARD SCHWEIZER, JR. - 574-232-9371
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›ALSO 15'ROAD, 15'TXLINE, 20-60'TREES ON CL FM 0-300'FM RWY END.
›(A89) OR LOCAL CALL 236-8470.
›TALLEST TREE AT RWY END, OTHER TREES 10-20'ABV CL ELEV BOTH SIDES AT RWY-END.
›EXISTED PRIOR TO 1959.
›RWY 15/33: HGRS LCTD WITHIN PRIM SFC EAST SIDE OF RWY.
›ARPT LCTD WITHIN SBN ARPT TFC AREA. COORD INGRESS/EGRESS WITH SBN ATCT & APCH CTL.
›122.900 AVBL.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗3IN7 on OurAirports
FREQUENTLY ASKED
Does 3IN7 have a METAR?
No on-field METAR is issued for 3IN7. This page uses the nearest reporting station as a reference.
Does 3IN7 have a TAF?
No TAF is issued directly for 3IN7. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 3IN7?
3IN7 sits at 743 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 3IN7?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.