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Spring Brook Airport (1LL2) Area Aviation Weather & Runway Winds

As of 1:10 PM CDT, Oct 28, based on the nearest station (KPNT), 1LL2 is currently VFR with winds from 210° at 13 knots gusting 17, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Spring Brook Airport in Seneca, IL, decoded from the nearest reporting station (KPNT): conditions and runway crosswinds.

Spring Brook Airport (1LL2) is a general aviation airport serving pilots in and around Seneca, IL at a field elevation of 500 ft. 1LL2 has no weather station of its own. Conditions here are decoded from KPNT, about 23 nm away, the nearest reporting station, and local conditions can differ. It has one runway (18/36), the longest 2,800 ft. The nearest TAF is issued for KDPA.

Ask ATIS AIAsk anything about 1LL2's weather, runways or delays, or search another airport.
VFR
Observed 1810Z (1:10 PM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KPNT, 22.6 nm away.

Wind
210° 13 kt
gusting 17 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.18"
Temp / Dew
76°F / 25°C
dew 50°F / 10°C

Wind from the south-southwest (210°) at 13 kt, gusting 17 kt, visibility 10+ statute miles, no cloud data, temperature 25°C (76°F), altimeter 30.18 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KPNT 281810Z AUTO 21013G17KT 10SM CLR 25/10 A3018 RMK AO2 T02470102

What changed at KPNT (nearest station)?

Since the 1755Z (12:55 PM CDT) report, compared automatically against the latest METAR.

  • Gusts began, now gusting 17 kt.

Current pilot readout for 1LL2

Based on the nearest station (KPNT), 1LL2 is currently VFR with winds from 210° at 13 knots gusting 17, visibility 10+ statute miles, and no ceiling reported. the wind favors south-facing runway ends (18). Density altitude is approximately 1,450 ft (field elevation 500 ft). 1LL2 does not publish a TAF. The nearest TAF station is KDPA, about 40 nm away.

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

Runway wind check

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

RunwayHead / TailCrosswind
18FAV11 kt head6 kt right (g8)
3610 kt tail8 kt left (g11)

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

1LL2 runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 18/36
    2,800 × 70 ft · ASPH
    Status not monitored
    Current use
    no stated-runway source at 1LL2
    Wind
    18
    11 kt headwind · 6 kt crosswind from right
    36
    10 kt tailwind · 8 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

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

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0102019Z06Z18Z

Over the last 23 h: wind 8→13 kt, ceiling unlimited → unlimited.

1LL2 weather radar

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

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of 1LL2

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

PIREP1523Z (10:23 AM CDT) · 23 NM S of 1LL2 · 35,000 ft MSL · B744
continuous light chop turbulence
Show raw report
PNT UA /OV PNT/TM 1523/FL350/TP B744/TB CONS LGT CHOP
PNT UAHeader: reporting station and UA: a routine pilot report.
OV PNTLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1523Reported at 15:23 UTC.
FL350Altitude: 35,000 ft MSL.
TP B744Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.
PIREP1414Z (9:14 AM CDT) · 24 NM W of 1LL2 · 13,000 ft MSL · CRJ7
Show raw report
VYS UA /OV VYS/TM 1414/FL130/TP CRJ7/TB NEG
VYS UAHeader: reporting station and UA: a routine pilot report.
OV VYSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1414Reported at 14:14 UTC.
FL130Altitude: 13,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP1414Z (9:14 AM CDT) · 52 NM NE of 1LL2 · 26,000 ft MSL · TBM9
Show raw report
ORD UA /OV ORD/TM 1414/FL260/TP TBM9/TB NEG
ORD UAHeader: reporting station and UA: a routine pilot report.
OV ORDLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1414Reported at 14:14 UTC.
FL260Altitude: 26,000 ft MSL.
TP TBM9Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP1345Z (8:45 AM CDT) · 29 NM N of 1LL2 · 1,800 ft MSL · C172
Show raw report
ARR UA /OV KARR/TM 1345/FL018/TP C172/WX FV07SM/RM VIS AT LEAST 7
ARR UAHeader: reporting station and UA: a routine pilot report.
OV KARRLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1345Reported at 13:45 UTC.
FL018Altitude: 1,800 ft MSL.
TP C172Aircraft type reporting.
WX FV07SMWeather and flight visibility observed.
RM VIS AT LEAST 7Remarks.

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

Recent aviation weather trends at 1LL2

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KPNT reported mostly VFR across 67 observations, with 0 flight-category changes. The strongest gust reached 17 kt, the lowest ceiling was 6,500 ft. Wind most often came from the SE.

Last 24 hours
VFR 100%
Wind avg/max: 5/13 kt
Max gust: 17 kt
Lowest ceiling: 6,500 ft
Lowest vis: -
Prevailing wind: SE
Category changes: 0
Last 7 days
VFR 95%MVFR 5%
Wind avg/max: 4/13 kt
Max gust: 14 kt
Lowest ceiling: 6,500 ft
Lowest vis: 3 sm
Prevailing wind: SE
Category changes: 4

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

18
59%
36
41%

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No live weather from 1LL2

Live crosswind meter

1LL2 has no weather feed online, so the wind comes from KPNT, 23 nm away.

N183613 kt
Headwind
11 kt
Crosswind (from the right)
6 kt
Headwind in gusts
15 kt
Crosswind in gusts
8 kt

Wind is 30° off runway 18, the end with the most headwind right now.

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Asphalt · 2,800 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Spring Brook Airport (1LL2)
N ↑

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
1LL2
City
Seneca
State
Illinois
Country
United States
Elevation
500 ft
Coordinates
41.3006, -88.6333
Runways
1 physical runway · 2 runway ends
Longest runway
2,800 ft
Weather reporting
Nearest station KPNT
TAF
Nearest KDPA
Time zone
America/Chicago
Sunset in
4h 1m

Run a flight school, FBO, or club here? Embed 1LL2's live status on your website, free →

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 →

See all Illinois airports →

Pilot PIREPs for Spring Brook Airport (1LL2)

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 Spring Brook 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 1LL2 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.

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

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