Round Mountain Ranch Airport (CA09) Area Aviation Weather & Runway Winds
As of 1:53 AM PDT, Oct 28, based on the nearest station (KSIY), CA09 is currently VFR with winds from 050° at 7 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Round Mountain Ranch Airport in Klamath River, CA, decoded from the nearest reporting station (KSIY): conditions and runway crosswinds.
Round Mountain Ranch Airport (CA09) is a general aviation airport serving pilots in and around Klamath River, CA at a field elevation of 3,500 ft. CA09 has no weather station of its own. Conditions here are decoded from KSIY, about 18 nm away, the nearest reporting station, and local conditions can differ. It has one runway (03/21), the longest 1,500 ft. The nearest TAF is issued for KMFR.
No weather station at this airport: showing the nearest station KSIY, 17.9 nm away.
Wind from the northeast (050°) at 7 kt, visibility 10+ statute miles, no cloud data, temperature -1°C (30°F), altimeter 30.13 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSIY 280853Z AUTO 05007KT 10SM CLR M01/M02 A3013 RMK AO2 SLP222 T10111022 55001
What changed at KSIY (nearest station)?
Since the 0753Z (12:53 AM PDT) report, compared automatically against the latest METAR.
No significant changes since the 0753Z (12:53 AM PDT) report, conditions are holding steady.
Current pilot readout for CA09
Based on the nearest station (KSIY), CA09 is currently VFR with winds from 050° at 7 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors northeast-facing runway ends (03). Density altitude is approximately 2,150 ft (field elevation 3,500 ft). CA09 does not publish a TAF. The nearest TAF station is KMFR, about 29 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 |
|---|---|---|---|---|
| 03FAV | 1,500 ft | DIRT | 7 kt head | 0 kt |
| 21 | 1,500 ft | DIRT | 7 kt tail | 0 kt |
Open the crosswind calculator to try your own wind and runway numbers →
CA09 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 03/211,500 × 50 ft · DIRTCurrent useno stated-runway source at CA09Wind
- 03
- 7 kt headwind · 0 kt crosswind
- 21
- 7 kt tailwind · 0 kt crosswind
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 23 h: wind 3→7 kt, ceiling unlimited → unlimited.
CA09 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 CA09
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
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 CA09
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KSIY reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 3,200 ft. Wind most often came from the N.
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 03
- 92%
- 21
- 8%
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Live crosswind meter
CA09 has no weather feed online, so the wind comes from KSIY, 18 nm away.
Wind is 2° off runway 03, the end with the most headwind right now.
Have a weather station at CA09? Help us make your field's weather available to every pilot, free. Add your field's wx station →Dirt · 1,500 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
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
- Attended
- Unattended
- Landing fee
- No
- Control tower
- None
- Wind indicator
- Unlighted
Airport
- Type
- General aviation airport
- FAA LID
- CA09
- City
- Klamath River
- State
- California
- Country
- United States
- Elevation
- 3,500 ft
- Coordinates
- 41.8853, -122.8433
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 1,500 ft
- Weather reporting
- Nearest station KSIY
- TAF
- Nearest KMFR
- Time zone
- America/Los_Angeles
- Next sunset
- 16h 3m
Run a flight school, FBO, or club here? Embed CA09'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.
- Siskiyou County R/Cers - Webb St , Montague, CA · 19 mi
- Siskiyou County R/Cers - Montague Rd , Montague, CA · 20 mi
Pilot PIREPs for Round Mountain Ranch Airport (CA09)
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 Round Mountain Ranch 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 CA09 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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