Sunriver Airport (KS21) Aviation Weather: METAR
As of 1:55 AM PDT, Oct 28, KS21 is currently MVFR with winds from 210° at 8 knots gusting 14, visibility 10+ statute miles, and a 2,300 ft ceiling.
Live aviation weather for Sunriver Airport in Sunriver, OR, including METAR, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.
Sunriver Airport (KS21) is a general aviation airport serving pilots in and around Sunriver, OR at a field elevation of 4,163 ft. KS21 reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has one runway (18/36), the longest 5,460 ft.
Wind from the south-southwest (210°) at 8 kt, gusting 14 kt, visibility 10+ statute miles, broken clouds at 2,300 ft, overcast at 2,700 ft, temperature 2°C (36°F), altimeter 30.09 inHg. Conditions are Marginal VFR (MVFR), ceiling 2,300 ft.
METAR KS21 280855Z AUTO 21008G14KT 10SM BKN023 OVC027 02/M02 A3009 RMK AO2
What changed at KS21?
Since the 0835Z (1:35 AM PDT) report, compared automatically against the latest METAR.
- Gusts began, now gusting 14 kt.
Current pilot readout for KS21
KS21 is currently MVFR with winds from 210° at 8 knots gusting 14, visibility 10+ statute miles, and a 2,300 ft ceiling. the wind favors south-facing runway ends (18). Density altitude is approximately 3,400 ft (field elevation 4,163 ft). KS21 does not publish a TAF. The nearest TAF station is KBDN, about 17 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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 18FAV | 5,460 ft | ASP | 8 kt head | 2 kt right (g3) |
| 36 | 5,460 ft | ASP | 8 kt tail | 2 kt left (g3) |
Open the crosswind calculator to try your own wind and runway numbers →
KS21 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.
- Status not monitoredRunway 18/365,460 × 75 ft · ASPCurrent useno stated-runway source at KS21Wind
- 18
- 8 kt headwind · 2 kt crosswind from right
- 36
- 8 kt tailwind · 2 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.
Over the last 24 h: wind 5→8 kt, ceiling 2,100 ft → 2,300 ft.
KS21 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
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 KS21
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
RDM UA /OV RDM/TM 0334/FL050/TP E75L/IC NEG
RDM UAHeader: reporting station and UA: a routine pilot report.OV RDMLocation: fix or navaid, optionally with a radial and distance in NM.TM 0334Reported at 03:34 UTC.FL050Altitude: 5,000 ft MSL.TP E75LAircraft type reporting.IC NEGIcing: none reported.Show raw report
LMT UA /OV LMT300060/TM 0328/FL400/TP B737/TB LGT CHOP OCNL MOD CHOP/RM ZSE
LMT UAHeader: reporting station and UA: a routine pilot report.OV LMT300060Location: fix or navaid, optionally with a radial and distance in NM.TM 0328Reported at 03:28 UTC.FL400Altitude: 40,000 ft MSL.TP B737Aircraft type reporting.TB LGT CHOP OCNL MOD CHOPTurbulence: light chop occasional moderate chop.RM ZSERemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KS21
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KS21 reported a mix of conditions, most often marginal VFR across 62 observations, with 17 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 400 ft. Wind most often came from the S.
Most recent change: VFR → MVFR
Most recent change: VFR → MVFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 18
- 60%
- 36
- 40%
Get KS21 weather alerts in Telegram
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Track KS21 free on TelegramLive KS21 Weather
Live crosswind meter
Measured by KS21's own weather station.
Wind is 14° off runway 18, the end with the most headwind right now.
Asphalt · 5,460 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 18/36 drawn from FAA threshold coordinates.
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Fuel
- 100LL · Jet A · Jet A+
- Attended
- May 15 - 14 Oct Daily 0700-1900 local; 15 Oct - 14 May Daily 0800-1800 local
- Transient parking
- Tie-downs · Hangars
- Landing fee
- No
- Other services
- Glider service · Glider towing
- Control tower
- None
- Wind indicator
- Lighted
Airport
- Type
- General aviation airport
- ICAO
- KS21
- IATA
- SUO
- FAA LID
- S21
- City
- Sunriver
- State
- Oregon
- Country
- United States
- Elevation
- 4,163 ft
- Coordinates
- 43.8763, -121.4530
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 5,460 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KBDN
- Time zone
- America/Los_Angeles
- Next sunset
- 15h 52m
Run a flight school, FBO, or club here? Embed KS21'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
7 airports+1 more within 25 NM
25–50 NM
8 airports+2 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.
- LPRCF - LA Pine RC Flyers - Dorrance Meadow , La Pine, OR · 16 mi
- Popp's Field , Bend, OR · 22 mi
- Cascade Flyers - McKenzie Bend Hwy , Bend, OR · 22 mi
Customize your S21 shirt or mug
S21's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Sunriver Airport (KS21)
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 Sunriver 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 KS21 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.
No D-ATIS at this airport, showing METAR.
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