Westport Airport / Keystone Airpark (4F1) Area Aviation Weather & Runway Winds
Aviation weather near Westport Airport / Keystone Airpark in Westport, OK, decoded from the nearest reporting station (KRVS): conditions, runway crosswinds, and free Telegram airport alerts.
Westport Airport / Keystone Airpark (4F1) is a general aviation airport serving pilots in and around Westport, OK at 900 ft. 4F1 has no weather station of its own. Conditions here are decoded from KRVS, about 21 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (03, 21), longest 2,900 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KRVS. Track it in the ATIS Alerts Telegram bot to get alerts read from KRVS, the station this page is based on.
No weather station at this airport: showing the nearest station KRVS, 20.7 nm away.
Wind from the north-northwest (330°) at 10 kt, gusting 25 kt, visibility 2 statute miles, broken clouds at 3,800 ft, overcast at 4,900 ft, temperature 24°C (75°F), altimeter 30.06 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 3,800 ft.
SPECI KRVS 130621Z AUTO 33010G25KT 2SM +TSRA BR BKN038 OVC049 24/23 A3006 RMK AO2 PK WND 30027/0605 LTG DSNT ALQDS RAB10 TSB04 P0019 T02390228
What changed at KRVS (nearest station)?
Since the 0610Z (1:10 AM CDT) report, compared automatically against the latest METAR.
- Flight category dropped from VFR to IFR.
- Visibility dropped from 8 SM to 2 SM.
- A thunderstorm with rain began (+TSRA).
- A thunderstorm with rain ended (-TSRA).
- Temperature–dewpoint spread narrowed to 1°C. Watch for fog or low cloud.
- Mist began (BR).
- Temperature down 3°C.
The latest report is an off-schedule special (SPECI), issued because conditions changed significantly. What is a SPECI? →
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Current pilot readout for 4F1
Based on the nearest station (KRVS), 4F1 is currently IFR with winds from 330° at 10 knots gusting 25, visibility 2 statute miles, and a 3,800 ft ceiling. The strongest crosswind component is currently on runway 21, about 8 knots. Density altitude is approximately 2,000 ft (field elevation 900 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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Track 4F1 free on TelegramRunway 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 4F1. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 03FAV | 2,900 ft | ASPH-G | 9 kt head | 5 kt left (g12) |
| 21 | 2,900 ft | ASPH-G | 7 kt head | 8 kt right (g19) |
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.
Over the last 23 h: wind 4→10 kt, ceiling unlimited → 3,800 ft.
4F1 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Westport Airport / Keystone Airpark in Westport, OK: 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 4F1 is headed.
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 4F1
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SWO UA /OV SWO/TM 0418/FL156/TP E75L /TA M07/IC LGT RIME /RM /ZKCFDC AF
SWO UAHeader: reporting station and UA: a routine pilot report.OV SWOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0418Reported at 04:18 UTC.FL156Altitude: 15,600 ft MSL.TP E75LAircraft type reporting.TA M07Outside air temperature, °C.IC LGT RIMEIcing: light rime.RM /ZKCFDC AFRemarks.Show raw report
OKC UA /OV IRW/TM 0148/FL380/TP A321/TB LGT-MOD CHOP/RM ZFW49
OKC UAHeader: reporting station and UA: a routine pilot report.OV IRWLocation: fix or navaid, optionally with a radial and distance in NM.TM 0148Reported at 01:48 UTC.FL380Altitude: 38,000 ft MSL.TP A321Aircraft type reporting.TB LGT-MOD CHOPTurbulence: light to moderate chop.RM ZFW49Remarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 4F1
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KRVS reported mostly VFR across 30 observations, with 1 flight-category change. The strongest gust reached 27 kt, the lowest ceiling was 3,600 ft. Wind most often came from the S.
Most recent change: VFR → IFR
Most recent change: MVFR → VFR
- 21
- 64%
- 03
- 36%
TAF | Terminal Aerodrome Forecast
Issued 0521Z (12:21 AM CDT)
TAF KRVS 130521Z 1306/1406 VRB05KT 6SM -TSRA BKN080CB BKN250 TEMPO 1306/1308 VRB20G30KT 2SM TSRA BKN050CB FM131000 16006KT P6SM SCT060 BKN120 BKN250 FM131600 18010KT P6SM SCT250 FM140100 15004KT P6SM FEW250
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We'll message you on Telegram when a new report moves the picture near 4F1 (Westport Airport / Keystone Airpark): alerts read from KRVS, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 4F1
- City
- Westport
- State
- Oklahoma
- Country
- United States
- Elevation
- 900 ft
- Coordinates
- 36.2223, -96.3461
- Runways
- 2
- Longest runway
- 2,900 ft
- Weather reporting
- Nearest station KRVS
- TAF
- Nearest KRVS
- Time zone
- America/Chicago
- Next sunset
- 18h 8m
Run a flight school, FBO, or club here? Embed 4F1's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Bald Eagle RC Club - Bethesda Boys Ranch , Mounds, OK · 28 mi
- Stillwater RC Flyers - N3460 Rd , Glencoe, OK · 28 mi
4F1 weather: frequently asked
What runways are available at 4F1?+
4F1 has 2 runways: 03, 21; the longest is 2,900 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 4F1 come from?+
Westport Airport / Keystone Airpark does not have its own weather station. Conditions shown here come from the nearest reporting station, KRVS, about 21 nm away, close enough for situational awareness, but local conditions at 4F1 can differ.
Does 4F1 have a TAF?+
Yes. The KRVS TAF is shown on this page below the current conditions.
Does 4F1 broadcast D-ATIS?+
No. 4F1 does not broadcast D-ATIS. Alerts for 4F1 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Westport Airport / Keystone Airpark (4F1)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Westport Airport / Keystone Airpark, 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 4F1 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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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