49IL Weather Walnut Creek Airport

Somonauk, IllinoisElevation 666 ftSmall airport

OFF-FIELD REFERENCE

Nearest report: KARR · 14 NM NE · More than 1 hour old

No ceiling, visibility 10 SM.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KARR

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 9 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 50F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Thursday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Mostly Cloudy	50	0 kt	–	1%
Monday	Patchy Fog then Mostly Cloudy	67/48	NE 9 kt	17 kt	3%
Tuesday	Mostly Cloudy	70/54	SE 9 kt	–	10%
Wednesday	Mostly Sunny	72/56	S 9 kt	–	10%
Thursday	Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms	77/55	SW 9 kt	–	29%	Thunderstorms in the forecast
Friday	Chance Rain Showers	76/56	SSE 9 kt	–	33%
Saturday	Chance Rain Showers	72/56	S 9 kt	–	52%
Sunday	Chance Rain Showers	70	SW 9 kt	–	35%

Source: National Weather Service (office LOT). Forecast issued 0153Z.

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

1 runway

WIND

No on-field weather data

No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.

RUNWAYS

Runway detail & declared distances

1 runway · longest 2,200 ft

09/27

Dimensions

2,200 x 100 ft

Surface

Turf

Edge lights

LOW

RWY 09

Displaced threshold150 ft

RWY 27

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

FIELD CONDITIONS

Field elevation

666 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2259Z 5:59 PM

Sunrise

1219Z 7:19 AM

Loggable night

2327Z (6:27 PM local) → 1150Z (6:50 AM local)

end of evening to start of morning civil twilight

Position lights required

2259Z (5:59 PM local) → 1219Z (7:19 AM local)

sunset to sunrise (91.209)

Night passenger currency

2359Z (6:59 PM local) → 1119Z (6:19 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

Walnut Creek Airport is in Somonauk, Illinois. Field elevation 666 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeSmall airport

ManagerBRENT BISH

Manager phone(815) 712-5795

AttendedIREG

CHARTS & AIRSPACE

ICAO / IATA49IL

SectionalCHICAGO

Center (ARTCC)CHICAGO

Flight service (AFSS)KANKAKEE

RegionIllinois

CountryUnited States

Coordinates41.5933, -88.6917

Distance from city3 NM S

SERVICES & LIGHTING

Control towerNon-towered

AIRCRAFT ACTIVITY

49IL traffic patterns

2026-06-13 to 2026-09-27, 13 days observed · data 2026-10-23

Low confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

AVG OPS/DAY

1.5

Operations trend (2 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX

Turboprop 40%Piston single 40%Unknown 20%

Mostly turboprop aircraft.

TOP AIRCRAFT TYPES

›AT5T (Turboprop) · ~1 landings/mo

›AT6T (Turboprop) · ~1 landings/mo

›AT8T (Turboprop) · ~1 landings/mo

›BE35 (Piston single) · ~1 landings/mo

›C172 (Piston single) · ~1 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›DHC1 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

49IL has no on-field report. Nearest reporting station: KARR (14 NM NE, VFR).

KARR Aurora Municipal Airport

14 NM NE

VFR

KJOT Joliet Regional Airport

24 NM E

VFR

KVYS Illinois Valley Regional Airport Walter A Duncan Field

25 NM SW

VFR

KLOT Lewis University Airport

27 NM E

VFR

KDPA Dupage Airport

27 NM NE

VFR

KRFD Chicago Rockford International Airport

40 NM NW

VFR

AIRPORT REMARKS

Operational remarks

›CAUTION ROBOTIC MOWER IN USE.

›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

›RY LGTS AVBL BY PRIOR ARRANGEMENT.

›TREES ARE TRIMMED TO STANDARD FOR RESIDENTIAL ARPT.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗49IL on OurAirports

FREQUENTLY ASKED

Does 49IL have a METAR?

No on-field METAR is issued for 49IL. This page uses the nearest reporting station as a reference.

Does 49IL have a TAF?

No TAF is issued directly for 49IL. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at 49IL?

49IL sits at 666 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for 49IL?

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.