WxDecoder

4IL3 Weather Thrifty Acres Airport

Stillman Valley, IllinoisElevation 725 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRFD · 7 NM NE · 6 min old
Ceiling 25,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRFD
WIND
030@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
25,000 ft
lowest BKN/OVC
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 from 350° at 7 kt, visibility 10 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests monday patchy fog then mostly cloudy, high near 65F, low near 46F, 3% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Monday Patchy Fog then Mostly Cloudy 65/46 ENE 9 kt 17 kt 3%
Tuesday Partly Sunny 69/52 SE 9 kt – 3%
Wednesday Partly Sunny 73/54 S 9 kt – 26%
Thursday Chance Showers And Thunderstorms 73/51 WSW 9 kt – 41% Thunderstorms in the forecast
Friday Chance Rain Showers 72/51 E 4 kt – 37%
Saturday Chance Showers And Thunderstorms 69/52 SE 9 kt – 43%
Sunday Chance Rain Showers 69 S 4 kt – 33%

Source: National Weather Service (office LOT). Forecast issued 0659Z.

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 4IL3. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 750 ft

01/19
Dimensions
750 x 70 ft
Surface
Turf
RWY 01
Displaced threshold430 ft
RWY 19
Displaced threshold480 ft

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
725 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2300Z 6:00 PM
Sunrise
1222Z 7:22 AM
Loggable night
2329Z (6:29 PM local) → 1153Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
2300Z (6:00 PM local) → 1222Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
0000Z (7:00 PM local) → 1122Z (6:22 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

Thrifty Acres Airport is in Stillman Valley, Illinois. Field elevation 725 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerBRUCE HASELTON
Manager phone815-234-3099
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA4IL3
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates42.1430, -89.2285
Distance from city3 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

4IL3 traffic patterns

2026-07-23 to 2026-07-23, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX
Unknown 100%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~1 landings/mo
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

4IL3 has no on-field report. Nearest reporting station: KRFD (7 NM NE, VFR).

KRFD Chicago Rockford International Airport
7 NM NE
VFR
KFEP Albertus Airport
17 NM W
VFR
KJVL Southern Wisconsin Regional Airport
30 NM N
VFR
KSQI Whiteside County Airport - Joseph H Bittorf Field
31 NM SW
VFR
KARR Aurora Municipal Airport
40 NM SE
VFR
KDPA Dupage Airport
46 NM E
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›LIMITED TO STOL AIRCRAFT; 125 FT EITHER SIDE & 200 FT OFF THE ENDS OF RY BE CLEAR OF OBSTNS OR OBSTNS REMOVED/LOWERED OR THR DSPLCD TO PRVD 20:1 CLNC.
›USABLE RUNWAY BETWEEN DISPLACED THRESHOLD IS 750' - OVER ALL PROPERTY LENGTH IS 1650'
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4IL3 on OurAirports
FREQUENTLY ASKED
Does 4IL3 have a METAR?
No on-field METAR is issued for 4IL3. This page uses the nearest reporting station as a reference.
Does 4IL3 have a TAF?
No TAF is issued directly for 4IL3. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4IL3?
4IL3 sits at 725 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4IL3?
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.