Sierraville Dearwater Airport (KO79) Area Aviation Weather & Runway Winds
Aviation weather near Sierraville Dearwater Airport in Sierraville, CA, decoded from the nearest reporting station (KTRK) — conditions, runway crosswinds, and free Telegram airport alerts.
Sierraville Dearwater Airport (KO79) is a general aviation airport serving pilots in and around Sierraville, CA at 4,984 ft. KO79 has no weather station of its own — conditions here are decoded from KTRK, about 19 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (03, 21) — longest 3,093 ft — are checked against the current wind in the crosswind table below. CTAF is 122.9. Track it in the ATIS Alerts Telegram bot to get alerts read from KTRK, the station this page is based on.
No weather station at this airport — showing the nearest station KTRK, 18.6 nm away.
Wind from the west-southwest (250°) at 15 kt, visibility 10+ statute miles, no cloud data, temperature 26°C (79°F), altimeter 30.12 inHg. Conditions are Visual Flight Rules (VFR).
METAR KTRK 290147Z 25015KT 10SM CLR 26/01 A3012
What changed at KTRK (nearest station)?
Since the 0047Z (5:47 PM PDT) report — compared automatically against the latest METAR.
No significant changes since the 0047Z report — conditions are holding steady.
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Current pilot readout for KO79
Based on the nearest station (KTRK), KO79 is currently VFR with winds from 250° at 15 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 03, about 5 knots. Density altitude is approximately 7,250 ft (field elevation 4,984 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 KO79 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 KO79. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 21FAV | 3,093 ft | ASP | 14 kt head | 5 kt right |
| 03 | 3,093 ft | ASP | 14 kt tail | 5 kt left |
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→15 kt, ceiling unlimited → unlimited.
KO79 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Sierraville Dearwater Airport in Sierraville, 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 KO79 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 KO79
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
MMH UA /OV MMH340055/TM 0104/FL200/TP E170/TB MOD/RM ENTERED BY ZOA FDCS
MMH UAHeader — reporting station and UA: a routine pilot report.OV MMH340055Location — fix or navaid, optionally with a radial and distance in NM.TM 0104Reported at 01:04 UTC.FL200Altitude: 20,000 ft MSL.TP E170Aircraft type reporting.TB MODTurbulence: moderate.RM ENTERED BY ZOA FDCSRemarks.Show raw report
TPH UA /OV MVA258045/TM 2256/FL200/TP B350/TB LGT-MOD CHOP 140-200/RM ENTERED BY ZOA FDCS
TPH UAHeader — reporting station and UA: a routine pilot report.OV MVA258045Location — fix or navaid, optionally with a radial and distance in NM.TM 2256Reported at 22:56 UTC.FL200Altitude: 20,000 ft MSL.TP B350Aircraft type reporting.TB LGT-MOD CHOP 140-200Turbulence: light to moderate chop 14,000–20,000 ft.RM ENTERED BY ZOA FDCSRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KO79
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KTRK reported mostly VFR across 46 observations, with 0 flight-category changes. Wind most often came from the W.
Most recent change: LIFR → VFR
- 21
- 93%
- 03
- 7%
TAF — Terminal Aerodrome Forecast
Issued 2320Z (4:20 PM PDT)
TAF KTRK 282320Z 2900/2924 26011G15KT P6SM SKC FM290300 VRB03KT P6SM SKC FM291900 26007KT P6SM SKC FM292100 25008G19KT P6SM SKC
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- O79
- City
- Sierraville
- State
- California
- Country
- United States
- Elevation
- 4,984 ft
- Coordinates
- 39.5810, -120.3540
- Runways
- 2
- Longest runway
- 3,093 ft
- Weather reporting
- Nearest station KTRK
- TAF
- Nearest KTRK
- CTAF
- 122.9 MHz
- Time zone
- America/Los_Angeles
- Sunset in
- 1h 14m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
6 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
KO79 weather — frequently asked
What runways are available at KO79?+
KO79 has 2 runways — 03, 21; the longest is 3,093 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for KO79 come from?+
Sierraville Dearwater Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KTRK, about 19 nm away — close enough for situational awareness, but local conditions at KO79 can differ.
Does KO79 have a TAF?+
Yes — the KTRK TAF is shown on this page below the current conditions.
Does KO79 broadcast D-ATIS?+
No — KO79 does not broadcast D-ATIS. Alerts for KO79 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Sierraville Dearwater Airport (KO79)
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 Sierraville Dearwater 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 KO79 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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