WxDecoder

IS83 Weather Untied Acres Airport

Belvidere, IllinoisElevation 800 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRFD · 15 NM W · 26 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
Calm
no steady wind
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 calm, visibility 10 SM, temperature 11C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy then patchy fog, low near 50F, 2% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Rain Showers then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy then Patchy Fog 50 N 9 kt – 2%
Monday Patchy Fog then Mostly Cloudy 63/47 NE 13 kt – 3%
Tuesday Mostly Cloudy 68/54 SE 9 kt – 10%
Wednesday Mostly Sunny 71/56 S 9 kt – 21%
Thursday Chance Rain Showers then Slight Chance Showers And Thunderstorms 74/54 SW 9 kt – 29% Thunderstorms in the forecast
Friday Chance Rain Showers 73/56 SSE 9 kt – 40%
Saturday Chance Rain Showers 71/55 SSE 9 kt – 53%
Sunday Chance Rain Showers 68 SW 9 kt – 33%

Source: National Weather Service (office LOT). Forecast issued 0418Z.

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 IS83. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

09/27
Dimensions
2,000 x 70 ft
Surface
TURF
FIELD CONDITIONS

Field elevation

Field elevation
800 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2258Z 5:58 PM
Sunrise
1220Z 7:20 AM
Loggable night
2327Z (6:27 PM local) → 1151Z (6:51 AM local)
end of evening to start of morning civil twilight
Position lights required
2258Z (5:58 PM local) → 1220Z (7:20 AM local)
sunset to sunrise (91.209)
Night passenger currency
2358Z (6:58 PM local) → 1120Z (6:20 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

Untied Acres Airport is in Belvidere, Illinois. Field elevation 800 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAIS83
RegionIllinois
CountryUnited States
Coordinates42.2275, -88.7672
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

IS83 traffic patterns

2026-07-31 to 2026-07-31, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~0 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

IS83 has no on-field report. Nearest reporting station: KRFD (15 NM W, VFR).

KRFD Chicago Rockford International Airport
15 NM W
VFR
KJVL Southern Wisconsin Regional Airport
27 NM NW
VFR
KDPA Dupage Airport
30 NM SE
VFR
KARR Aurora Municipal Airport
30 NM SE
VFR
KFEP Albertus Airport
36 NM W
VFR
KORD Chicago O'Hare International Airport
41 NM E
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗IS83 on OurAirports
FREQUENTLY ASKED
Does IS83 have a METAR?
No on-field METAR is issued for IS83. This page uses the nearest reporting station as a reference.
Does IS83 have a TAF?
No TAF is issued directly for IS83. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at IS83?
IS83 sits at 800 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for IS83?
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.