ATIS Alerts

Slack Airport (18PA) Area Aviation Weather & Runway Winds

Aviation weather near Slack Airport in Forest Grove, PA, decoded from the nearest reporting station (KDYL): conditions, runway crosswinds, and free Telegram airport alerts.

Slack Airport (18PA) is a general aviation airport serving pilots in and around Forest Grove, PA at 275 ft. 18PA has no weather station of its own. Conditions here are decoded from KDYL, about 3 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (14, 32), longest 1,850 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KTTN. Track it in the ATIS Alerts Telegram bot to get alerts read from KDYL, the station this page is based on.

IFR
Observed 0954Z (5:54 AM EDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KDYL, 2.7 nm away.

Wind
050° 3 kt
Visibility
5 sm
Ceiling
600 ft
Altimeter
29.92"
Temp / Dew
66°F / 19°C
dew 65°F / 18°C

Wind from the northeast (050°) at 3 kt, visibility 5 statute miles, a few clouds at 200 ft, broken clouds at 600 ft, overcast at 1,300 ft, temperature 19°C (66°F), altimeter 29.92 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 600 ft.

Raw METAR
METAR KDYL 130954Z AUTO 05003KT 5SM RA BR FEW002 BKN006 OVC013 19/18 A2992 RMK AO2 SLP128 P0052 T01890183

What changed at KDYL (nearest station)?

Since the 0939Z (5:39 AM EDT) report, compared automatically against the latest METAR.

  • Flight category dropped from MVFR to IFR.
  • Ceiling dropped from 1,000 ft to 600 ft.
  • Rain began (RA).
  • Rain ended (-RA).

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Current pilot readout for 18PA

Based on the nearest station (KDYL), 18PA is currently IFR with winds from 050° at 3 knots, visibility 5 statute miles, and a 600 ft ceiling. The strongest crosswind component is currently on runway 14, about 2 knots. Density altitude is approximately 800 ft (field elevation 275 ft). 18PA does not publish a TAF. The nearest TAF station is KTTN, about 12 nm away.

⚠️ 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 18PA. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
14FAV2 kt head2 kt right
322 kt head2 kt right

Open the crosswind calculator to 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
061210Z02Z09Z

Over the last 23 h: wind 0→3 kt, ceiling unlimited → 600 ft.

18PA weather radar

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

Live weather radar around Slack Airport in Forest Grove, PA: 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 18PA is headed.

Loading…
Loading radar…

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

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 18PA

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

PIREP1015Z (6:15 AM EDT) · 65 NM E of 18PA · 400 ft MSL · B763
Show raw report
JFK UA /OV JFK050002/TM 1015/FL004/TP B763/SK OVC004
JFK UAHeader: reporting station and UA: a routine pilot report.
OV JFK050002Location: fix or navaid, optionally with a radial and distance in NM.
TM 1015Reported at 10:15 UTC.
FL004Altitude: 400 ft MSL.
TP B763Aircraft type reporting.
SK OVC004Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP1009Z (6:09 AM EDT) · 73 NM W of 18PA · 3,000 ft MSL · A301
Show raw report
MDT UA /OV MDT130005/TM 1009/FL030/TP A301/SK OVC010
MDT UAHeader: reporting station and UA: a routine pilot report.
OV MDT130005Location: fix or navaid, optionally with a radial and distance in NM.
TM 1009Reported at 10:09 UTC.
FL030Altitude: 3,000 ft MSL.
TP A301Aircraft type reporting.
SK OVC010Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP0949Z (5:49 AM EDT) · 100 NM SW of 18PA · 700 ft MSL · B379
Show raw report
BWI UA /OV BWI15002/TM 0949/FL007/TP B379/SK OVC007/WX FG
BWI UAHeader: reporting station and UA: a routine pilot report.
OV BWI15002Location: fix or navaid, optionally with a radial and distance in NM.
TM 0949Reported at 09:49 UTC.
FL007Altitude: 700 ft MSL.
TP B379Aircraft type reporting.
SK OVC007Sky condition: cloud bases and tops in hundreds of feet MSL.
WX FGWeather and flight visibility observed.
PIREP0905Z (5:05 AM EDT) · 48 NM NE of 18PA · during descent · MULTIPLE
Show raw report
EWR UA /OV RWY 22L/TM 0905/FL014/TP MULTIPLE/SK 014OVC/RM RWY 22L BRAKING ACTION MEDIUM
EWR UAHeader: reporting station and UA: a routine pilot report.
OV RWY 22LLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0905Reported at 09:05 UTC.
FL014Altitude: 1,400 ft MSL.
TP MULTIPLEAircraft type reporting.
SK 014OVCSky condition: cloud bases and tops in hundreds of feet MSL.
RM RWY 22L BRAKING ACTION ME…Remarks.
PIREP0844Z (4:44 AM EDT) · 24 NM E of 18PA · 20,000 ft MSL · H25B
light rime icing
Show raw report
TTN UA /OV RBV350010/TM 0844/FL200/TP H25B/TA M8/IC LGT RIME
TTN UAHeader: reporting station and UA: a routine pilot report.
OV RBV350010Location: fix or navaid, optionally with a radial and distance in NM.
TM 0844Reported at 08:44 UTC.
FL200Altitude: 20,000 ft MSL.
TP H25BAircraft type reporting.
TA M8Outside air temperature, °C.
IC LGT RIMEIcing: light rime.
PIREP0625Z (2:25 AM EDT) · 55 NM SE of 18PA · during descent · A320
Show raw report
ACY UA /OV ACY310001/TM 0625/FL008/TP A320/SK OVC008/RM OVC008 ON FINAL RWY 13, ADDITIONAL OVC070 INBOUND FOR ACY A/P
ACY UAHeader: reporting station and UA: a routine pilot report.
OV ACY310001Location: fix or navaid, optionally with a radial and distance in NM.
TM 0625Reported at 06:25 UTC.
FL008Altitude: 800 ft MSL.
TP A320Aircraft type reporting.
SK OVC008Sky condition: cloud bases and tops in hundreds of feet MSL.
RM OVC008 ON FINAL RWY 13, A…Remarks.

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

Recent aviation weather trends at 18PA

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KDYL reported mostly VFR across 33 observations, with 8 flight-category changes. The lowest ceiling was 300 ft. Wind most often came from the NE.

Last 24 hours
VFR 61%MVFR 18%IFR 15%LIFR 6%
Wind avg/max: 2/5 kt
Max gust: -
Lowest ceiling: 300 ft
Lowest vis: -
Prevailing wind: NE
Category changes: 8

Most recent change: MVFR → IFR

Last 7 days
VFR 96%MVFR 2%IFR 1%LIFR 1%
Wind avg/max: 3/11 kt
Max gust: 22 kt
Lowest ceiling: 300 ft
Lowest vis: 5 sm
Prevailing wind: NE
Category changes: 7

Most recent change: LIFR → IFR

Active Runway - past 30 days
14/32
100%

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
18PA
City
Forest Grove
State
Pennsylvania
Country
United States
Elevation
275 ft
Coordinates
40.3001, -75.0829
Runways
2
Longest runway
1,850 ft
Weather reporting
Nearest station KDYL
TAF
Nearest KTTN
Time zone
America/New_York
Next sunset
12h 47m

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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.

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18PA weather: frequently asked

What runways are available at 18PA?+

18PA has 2 runways: 14, 32; the longest is 1,850 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 18PA come from?+

Slack Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KDYL, about 3 nm away, close enough for situational awareness, but local conditions at 18PA can differ.

Does 18PA have a TAF?+

No. 18PA does not publish its own TAF. The nearest TAF station is KTTN, about 12 nm away.

Does 18PA broadcast D-ATIS?+

No. 18PA does not broadcast D-ATIS. Alerts for 18PA from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Slack Airport (18PA)

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 Slack 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 18PA 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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