Prosser Airport (KS40) Area Aviation Weather & Runway Winds
Aviation weather near Prosser Airport in Prosser, WA, decoded from the nearest reporting station (KRLD): conditions, runway crosswinds, and free Telegram airport alerts.
Prosser Airport (KS40) is a general aviation airport serving pilots in and around Prosser, WA at 697 ft. KS40 has no weather station of its own. Conditions here are decoded from KRLD, about 21 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (07, 25), longest 3,450 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KPSC. Track it in the ATIS Alerts Telegram bot to get alerts read from KRLD, the station this page is based on.
No weather station at this airport: showing the nearest station KRLD, 21 nm away.
Wind from the south-southeast (150°) at 5 kt, visibility 10+ statute miles, broken clouds at 9,000 ft, broken clouds at 11,000 ft, temperature 14°C (57°F), altimeter 29.84 inHg. Conditions are Visual Flight Rules (VFR), ceiling 9,000 ft.
METAR KRLD 130735Z AUTO 15005KT 10SM BKN090 BKN110 14/13 A2984 RMK AO2 P0002 T01400130
What changed at KRLD (nearest station)?
Since the 0715Z (12:15 AM PDT) report, compared automatically against the latest METAR.
- Pressure rising: altimeter 29.81 → 29.84 inHg.
- Precipitation ended (UP).
This is exactly what ATIS Alerts watches for you: get a Telegram message when KS40's weather changes, free →
Current pilot readout for KS40
Based on the nearest station (KRLD), KS40 is currently VFR with winds from 150° at 5 knots, visibility 10+ statute miles, and a 9,000 ft ceiling. The strongest crosswind component is currently on runway 07, about 4 knots. Density altitude is approximately 850 ft (field elevation 697 ft). KS40 does not publish a TAF. The nearest TAF station is KPSC, about 28 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 →
Get KS40 weather alerts in Telegram
Stop refreshing aviation weather manually. Track KS40 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track KS40 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 KS40. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 07FAV | 3,450 ft | ASP | 3 kt head | 4 kt right |
| 25 | 3,450 ft | ASP | 2 kt tail | 4 kt left |
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→5 kt, ceiling unlimited → 9,000 ft.
KS40 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Prosser Airport in Prosser, WA: 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 KS40 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 KS40
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
EAT UA /OV EAT341023/TM 0627/FL340/TP B38M/TB MOD CHOP BLO 340/RM DURD GLASR3 ARR ZSE
EAT UAHeader: reporting station and UA: a routine pilot report.OV EAT341023Location: fix or navaid, optionally with a radial and distance in NM.TM 0627Reported at 06:27 UTC.FL340Altitude: 34,000 ft MSL.TP B38MAircraft type reporting.TB MOD CHOP BLO 340Turbulence: moderate chop blo 340.RM DURD GLASR3 ARR ZSERemarks.Show raw report
SEA UA /OV SEA150050/TM 0504/FL240/TP E75L/TB LGT OCNL MOD 220-240/RM DURC SUMMA ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA150050Location: fix or navaid, optionally with a radial and distance in NM.TM 0504Reported at 05:04 UTC.FL240Altitude: 24,000 ft MSL.TP E75LAircraft type reporting.TB LGT OCNL MOD 220-240Turbulence: light occasional moderate 22,000–24,000 ft.RM DURC SUMMA ZSERemarks.Show raw report
PSC UA /OV PSC030003/TM 0451/FL020/TP E75L/RM LLWS +/- 5KT
PSC UAHeader: reporting station and UA: a routine pilot report.OV PSC030003Location: fix or navaid, optionally with a radial and distance in NM.TM 0451Reported at 04:51 UTC.FL020Altitude: 2,000 ft MSL.TP E75LAircraft type reporting.RM LLWS +/- 5KTRemarks.Show raw report
DLS UA /OV LTJ075050/TM 0428/FL240/TP B739/TA M02/IC LGT RIME/RM ZSE
DLS UAHeader: reporting station and UA: a routine pilot report.OV LTJ075050Location: fix or navaid, optionally with a radial and distance in NM.TM 0428Reported at 04:28 UTC.FL240Altitude: 24,000 ft MSL.TP B739Aircraft type reporting.TA M02Outside air temperature, °C.IC LGT RIMEIcing: light rime.RM ZSERemarks.Show raw report
SEA UA /OV SEA120048/TM 0412/FL145/TP B738/TA M14/IC LGT RIME 160-090/RM DURD MARNR8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA120048Location: fix or navaid, optionally with a radial and distance in NM.TM 0412Reported at 04:12 UTC.FL145Altitude: 14,500 ft MSL.TP B738Aircraft type reporting.TA M14Outside air temperature, °C.IC LGT RIME 160-090Icing: light rime 16,000–9,000 ft.RM DURD MARNR8 ARRRemarks.Show raw report
PSC UA /OV PSC030003/TM 0354/FL020/TP E75L/TB CONS LGT BLO 070/RM LLWS REPORTED BUT GAINS/LOSSES DID NOT HAVE AN EXACT NUMBER
PSC UAHeader: reporting station and UA: a routine pilot report.OV PSC030003Location: fix or navaid, optionally with a radial and distance in NM.TM 0354Reported at 03:54 UTC.FL020Altitude: 2,000 ft MSL.TP E75LAircraft type reporting.TB CONS LGT BLO 070Turbulence: continuous light blo 070.RM LLWS REPORTED BUT GAINS/L…Remarks.Show raw report
DLS UA /OV LTJ069031/TM 0353/FL320/TP B38M/SK TOP320/TB MOD 320 BLO /RM DURD ZSE
DLS UAHeader: reporting station and UA: a routine pilot report.OV LTJ069031Location: fix or navaid, optionally with a radial and distance in NM.TM 0353Reported at 03:53 UTC.FL320Altitude: 32,000 ft MSL.TP B38MAircraft type reporting.SK TOP320Sky condition: cloud bases and tops in hundreds of feet MSL.TB MOD 320 BLOTurbulence: moderate 320 blo.RM DURD ZSERemarks.Show raw report
YKM UUA /OV YKM070060/TM 0334/FL340/TP A319/TB INTMT MOD SEV/RM BORDERLINE SEVERE ZSE
YKM UUAHeader: reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).OV YKM070060Location: fix or navaid, optionally with a radial and distance in NM.TM 0334Reported at 03:34 UTC.FL340Altitude: 34,000 ft MSL.TP A319Aircraft type reporting.TB INTMT MOD SEVTurbulence: intermittent moderate severe.RM BORDERLINE SEVERE ZSERemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KS40
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KRLD reported mostly VFR across 71 observations, with 6 flight-category changes. The strongest gust reached 34 kt, the lowest ceiling was 6,000 ft. Wind most often came from the N.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 25
- 70%
- 07
- 30%
Get free ATIS alerts for KS40
We'll message you on Telegram when a new report moves the picture near KS40 (Prosser Airport): alerts read from KRLD, the station this page uses.
Track KS40 on TelegramFree • no app to install • unsubscribe anytime
Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- S40
- City
- Prosser
- State
- Washington
- Country
- United States
- Elevation
- 697 ft
- Coordinates
- 46.2134, -119.7910
- Runways
- 2
- Longest runway
- 3,450 ft
- Weather reporting
- Nearest station KRLD
- TAF
- Nearest KPSC
- Time zone
- America/Los_Angeles
- Next sunset
- 18h 7m
Run a flight school, FBO, or club here? Embed KS40'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
6 airports25–50 NM
9 airports+3 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Miniature Aircraft Association , West Richland, WA · 20 mi
- Miniature Aircraft Association - Higgins Field , West Richland, WA · 20 mi
- MID COLUMBIA R/C SOARERS -Eagle Butte Flying Site , Kennewick, WA · 22 mi
KS40 weather: frequently asked
What runways are available at KS40?+
KS40 has 2 runways: 07, 25; the longest is 3,450 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for KS40 come from?+
Prosser Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KRLD, about 21 nm away, close enough for situational awareness, but local conditions at KS40 can differ.
Does KS40 have a TAF?+
No. KS40 does not publish its own TAF. The nearest TAF station is KPSC, about 28 nm away.
Does KS40 broadcast D-ATIS?+
No. KS40 does not broadcast D-ATIS. Alerts for KS40 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Prosser Airport (KS40)
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 Prosser 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 KS40 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.
Why pilots use ATIS Alerts
Free aviation weather and ATIS change alerts for GA pilots, delivered on Telegram, so a change catches your eye before it catches you off guard.
- Get pinged the moment KS40 drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays: one link, always current.
- Free, no app to install, and you can track any US airport. Unsubscribe anytime.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
Spotted incorrect airport info? ✏️ Suggest an edit
How ATIS Alerts works · All US airports · Washington airports