Round Mountain Ranch Airport (CA09) Area Aviation Weather & Runway Winds
Aviation weather near Round Mountain Ranch Airport in Klamath River, CA, decoded from the nearest reporting station (KSIY) — conditions, runway crosswinds, and free Telegram airport alerts.
Round Mountain Ranch Airport (CA09) is a general aviation airport serving pilots in and around Klamath River, CA at 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. Its 2 runways (03, 21) — longest 1,500 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KMFR. Track it in the ATIS Alerts Telegram bot to get alerts read from KSIY, the station this page is based on.
No weather station at this airport — showing the nearest station KSIY, 17.9 nm away.
Wind from the north (010°) at 8 kt, visibility 10+ statute miles, no cloud data, temperature 21°C (69°F), altimeter 29.99 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSIY 290553Z AUTO 01008KT 10SM CLR 21/08 A2999 RMK AO2 SLP142 T02060078 10333 20200 51015
What changed at KSIY (nearest station)?
Since the 0453Z (9:53 PM PDT) report — compared automatically against the latest METAR.
No significant changes since the 0453Z report — conditions are holding steady.
This is exactly what ATIS Alerts watches for you — get a Telegram message when CA09's weather changes, free →
Current pilot readout for CA09
Based on the nearest station (KSIY), CA09 is currently VFR with winds from 010° at 8 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 03, about 1 knots. Density altitude is approximately 4,950 ft (field elevation 3,500 ft). CA09 does not publish a TAF — the nearest TAF station is KMFR, about 29 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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Track CA09 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 CA09. 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 | 1,500 ft | DIRT | 8 kt head | 1 kt right |
| 21 | 1,500 ft | DIRT | 8 kt head | 1 kt right |
Open the crosswind calculator — 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 6→8 kt, ceiling unlimited → unlimited.
CA09 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Round Mountain Ranch Airport in Klamath River, CA: 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 CA09 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
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 CA09
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
RBG UA /OV RBG053025 /TM 0051 /FL075 /TP C182 /TB NEG /RM CLDS SW FEW070
RBG UAHeader — reporting station and UA: a routine pilot report.OV RBG053025Location — fix or navaid, optionally with a radial and distance in NM.TM 0051Reported at 00:51 UTC.FL075Altitude: 7,500 ft MSL.TP C182Aircraft type reporting.TB NEGTurbulence: none reported.RM CLDS SW FEW070Remarks.Show raw report
AAT UA /OV KLMT-A24270016 /TM 0048 /FL095 /TP P28A /TB CONS LGT CHOP
AAT UAHeader — reporting station and UA: a routine pilot report.OV KLMT-A24270016Location — fix or navaid, optionally with a radial and distance in NM.TM 0048Reported at 00:48 UTC.FL095Altitude: 9,500 ft MSL.TP P28AAircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.⚠️ 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 strongest gust reached 20 kt. Wind most often came from the N.
- 03/21
- 100%
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We'll message you on Telegram when a new report moves the picture near CA09 (Round Mountain Ranch Airport) — alerts read from KSIY, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- 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
- 2
- Longest runway
- 1,500 ft
- Weather reporting
- Nearest station KSIY
- TAF
- Nearest KMFR
- Time zone
- America/Los_Angeles
- Next sunset
- 21h 28m
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
CA09 weather — frequently asked
What runways are available at CA09?+
CA09 has 2 runways — 03, 21; the longest is 1,500 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for CA09 come from?+
Round Mountain Ranch Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KSIY, about 18 nm away — close enough for situational awareness, but local conditions at CA09 can differ.
Does CA09 have a TAF?+
No — CA09 does not publish its own TAF. The nearest TAF station is KMFR, about 29 nm away.
Does CA09 broadcast D-ATIS?+
No — CA09 does not broadcast D-ATIS. Alerts for CA09 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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