ATIS Alerts

Untied Acres Airport (IS83) Area Aviation Weather & Runway Winds

Aviation weather near Untied Acres Airport in Belvidere, IL, decoded from the nearest reporting station (KRFD) — conditions, runway crosswinds, and free Telegram airport alerts.

Untied Acres Airport (IS83) is a general aviation airport serving pilots in and around Belvidere, IL at 800 ft. IS83 has no weather station of its own — conditions here are decoded from KRFD, about 15 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (09, 27) — longest 2,000 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KRFD. Track it in the ATIS Alerts Telegram bot to get alerts read from KRFD, the station this page is based on.

VFR
Observed 0354Z (10:54 PM CDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KRFD, 14.8 nm away.

Wind
070° 4 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.96"
Temp / Dew
21°C / 69°F
dew 14°C

Wind from the east-northeast (070°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 21°C (69°F), altimeter 29.96 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KRFD 290354Z 07004KT 10SM CLR 21/14 A2996 RMK AO2 SLP140 T02060139

What changed at KRFD (nearest station)?

Since the 0254Z (9:54 PM CDT) report — compared automatically against the latest METAR.

  • Pressure rising: altimeter 29.94 → 29.96 inHg.

This is exactly what ATIS Alerts watches for you — get a Telegram message when IS83's weather changes, free →

Current pilot readout for IS83

Based on the nearest station (KRFD), IS83 is currently VFR with winds from 070° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 09, about 4 knots. Density altitude is approximately 1,600 ft (field elevation 800 ft). Review the latest TAF below for forecast changes before departure.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at IS83. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
09FAV1 kt head4 kt right
271 kt head4 kt right

Open the crosswind calculator — try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0102004Z16Z03Z

Over the last 23 h: wind 3→4 kt, ceiling unlimited → unlimited.

IS83 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Untied Acres Airport in Belvidere, IL: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around IS83 is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of IS83

Reported by pilots in flight over the past 6 hours — via aviationweather.gov.

PIREP0340Z (10:40 PM CDT) · 58 NM NE of IS83 · during descent · A319
Show raw report
MKE UA /OV MKE190000/TM 0340/FL000/TP A319/WV 010004/RM NEG WINDSHEAR-MICROBURST ON FINAL
MKE UAHeader — reporting station and UA: a routine pilot report.
OV MKE190000Location — fix or navaid, optionally with a radial and distance in NM.
TM 0340Reported at 03:40 UTC.
FL000Altitude: 0 ft MSL.
TP A319Aircraft type reporting.
WV 010004Wind (direction/speed) or wind-shear remarks.
RM NEG WINDSHEAR-MICROBURST …Remarks.
PIREP0213Z (9:13 PM CDT) · 36 NM E of IS83 · 23,000 ft MSL · B763
Show raw report
PWK UA /OV OBK/TM 0213/FL230/TP B763/TB NEG
PWK UAHeader — reporting station and UA: a routine pilot report.
OV OBKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0213Reported at 02:13 UTC.
FL230Altitude: 23,000 ft MSL.
TP B763Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0208Z (9:08 PM CDT) · 43 NM NE of IS83 · during climb · CRJ2
Show raw report
ENW UA /OV ENW/TM 0208/FL160/TP CRJ2/TB NEG/RM DURC
ENW UAHeader — reporting station and UA: a routine pilot report.
OV ENWLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0208Reported at 02:08 UTC.
FL160Altitude: 16,000 ft MSL.
TP CRJ2Aircraft type reporting.
TB NEGTurbulence: none reported.
RM DURCRemarks.
PIREP0207Z (9:07 PM CDT) · 100 NM SW of IS83 · 43,000 ft MSL · G280
Show raw report
MLI UA /OV MZV/TM 0207/FL430/TP G280/TB NEG
MLI UAHeader — reporting station and UA: a routine pilot report.
OV MZVLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0207Reported at 02:07 UTC.
FL430Altitude: 43,000 ft MSL.
TP G280Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0206Z (9:06 PM CDT) · 61 NM NW of IS83 · 19,000 ft MSL · BCS1
Show raw report
MSN UA /OV MSN/TM 0206/FL190/TP BCS1/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV MSNLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0206Reported at 02:06 UTC.
FL190Altitude: 19,000 ft MSL.
TP BCS1Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0206Z (9:06 PM CDT) · 74 NM SW of IS83 · 33,000 ft MSL · B739
Show raw report
C75 UA /OV BDF/TM 0206/FL330/TP B739/TB NEG
C75 UAHeader — reporting station and UA: a routine pilot report.
OV BDFLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0206Reported at 02:06 UTC.
FL330Altitude: 33,000 ft MSL.
TP B739Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0205Z (9:05 PM CDT) · 86 NM N of IS83 · 20,000 ft MSL · E75S
Show raw report
MSN UA /OV C47/TM 0205/FL200/TP E75S/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV C47Location — fix or navaid, optionally with a radial and distance in NM.
TM 0205Reported at 02:05 UTC.
FL200Altitude: 20,000 ft MSL.
TP E75SAircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0123Z (8:23 PM CDT) · 73 NM S of IS83 · 21,000 ft MSL · B39M
Show raw report
JOT UA /OV JOT180030/TM 0123/FL210/TP B39M/TB NEG
JOT UAHeader — reporting station and UA: a routine pilot report.
OV JOT180030Location — fix or navaid, optionally with a radial and distance in NM.
TM 0123Reported at 01:23 UTC.
FL210Altitude: 21,000 ft MSL.
TP B39MAircraft type reporting.
TB NEGTurbulence: none reported.

⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.

Recent aviation weather trends at IS83

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KRFD reported mostly VFR across 24 observations, with 2 flight-category changes. The strongest gust reached 17 kt, the lowest ceiling was 1,300 ft. Wind most often came from the N.

Last 24 hours
VFR 88%MVFR 13%
Wind avg/max: 7/11 kt
Max gust: 17 kt
Lowest ceiling: 1,300 ft
Lowest vis: —
Prevailing wind: N
Category changes: 2

Most recent change: MVFR → VFR

Last 7 days
VFR 76%MVFR 12%IFR 4%LIFR 7%
Wind avg/max: 5/18 kt
Max gust: 25 kt
Lowest ceiling: 200 ft
Lowest vis: 0.13 sm
Prevailing wind: S
Category changes: 19

Most recent change: MVFR → VFR

Active Runway - past 30 days
09/27
100%

TAF — Terminal Aerodrome Forecast

Issued 0300Z (10:00 PM CDT)

TAF KRFD 290300Z 2903/2924 VRB03KT P6SM FEW250 FM291500 06005KT P6SM FEW060

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
IS83
City
Belvidere
State
Illinois
Country
United States
Elevation
800 ft
Coordinates
42.2275, -88.7672
Runways
2
Longest runway
2,000 ft
Weather reporting
Nearest station KRFD
TAF
Nearest KRFD
Time zone
America/Chicago
Next sunset
20h 36m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report

RC flying fields nearby

AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.

All RC flying fields →

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IS83 weather — frequently asked

What runways are available at IS83?+

IS83 has 2 runways — 09, 27; the longest is 2,000 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for IS83 come from?+

Untied Acres Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KRFD, about 15 nm away — close enough for situational awareness, but local conditions at IS83 can differ.

Does IS83 have a TAF?+

Yes — the KRFD TAF is shown on this page below the current conditions.

Does IS83 broadcast D-ATIS?+

No — IS83 does not broadcast D-ATIS. Alerts for IS83 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Untied Acres Airport (IS83)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Untied Acres Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for IS83 yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

From the ATIS Alerts team

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