WxDecoder

KO09 Weather Round Valley Airport

Covelo, CaliforniaElevation 1,434 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KUKI · 40 NM S · 50 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KUKI
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely
26 0800Z to 26 1600Z
Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Western Lake
* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Northern Mendocino Interior, Northern Lake, and Western Lake. * WHEN...From 1 AM to 9 AM PDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...There is some uncertainty on how quickly clouds will come in and prevent frost…
Take steps now to protect tender plants from the cold.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, temperature 12.78C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy then slight chance rain showers, low near 35F, 17% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy then Slight Chance Rain Showers 35 W 4 kt – 17%
Monday Slight Chance Rain Showers then Mostly Sunny 58/32 W 5 kt – 17%
Tuesday Areas Of Frost then Sunny 59/31 NW 5 kt – 0%
Wednesday Areas Of Frost then Sunny 62/29 NNW 5 kt – 0%
Thursday Areas Of Fog then Mostly Sunny 58/28 NW 5 kt – 8%
Friday Chance Light Rain 56/27 NW 5 kt – 31%
Saturday Areas Of Fog then Chance Light Rain 55/28 W 1 kt – 38%
Sunday Areas Of Fog then Mostly Sunny 59 NW 3 kt – 9%

Source: National Weather Service (office EKA). Forecast issued 0145Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
1 runway
NESW1028
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,670 ft

10/28
Dimensions
3,670 x 60 ft
Surface
Asphalt (excellent)
Edge lights
MED
RWY 10
Displaced threshold210 ft
Traffic patternLeft
RWY 28
Displaced threshold270 ft
Traffic patternRight

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
1,434 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0119Z 6:19 PM
Sunrise
1434Z 7:34 AM
Loggable night
0147Z (6:47 PM local) → 1407Z (7:07 AM local)
end of evening to start of morning civil twilight
Position lights required
0119Z (6:19 PM local) → 1434Z (7:34 AM local)
sunset to sunrise (91.209)
Night passenger currency
0219Z (7:19 PM local) → 1334Z (6:34 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Round Valley Airport is in Covelo, California. Field elevation 1,434 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerHOWARD DASHIELL
Manager phone707-463-4363
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAKO09
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)OAKLAND
RegionCalifornia
CountryUnited States
Coordinates39.7902, -123.2660
Distance from city1 NM SW
SERVICES & LIGHTING
Fuel100LL
Control towerNon-towered
Field lightingSee remarks
BeaconSee remarks · White-green (lighted land airport)
Traffic pattern alt800 ft MSL
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.8
CTAF/UNICOM
UNIC
122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

KO09 has no on-field report. Nearest reporting station: KUKI (40 NM S, VFR).

KUKI Ukiah Municipal Airport
40 NM S
VFR
KRBL Red Bluff Municipal Airport
51 NM NE
VFR
KRDD Redding Municipal Airport
62 NM NE
VFR
KCIC Chico Regional Airport
65 NM E
VFR
KOVE Oroville Municipal Airport
78 NM E
VFR
KSTS Charles M. Schulz Sonoma County Airport
80 NM S
VFR
AIRPORT REMARKS

Operational remarks

›ROAD 100 FT FM THR & 4 FT FENCE 135 FT FM THR; 3 FT TIRES 80 FT 0B FM THR.
›FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
›DUSK-DAWN.
›FOR MIRL RWY 10/28 KEY 122.8 5 TIMES.
›ROAD 50 FT FM THR; 4 FT FENCE 40 FT FM THR; 5 FT FENCE 110 FT FM THR.
›ARPT IN VALLEY; HIGH MTS AND TRRN AND RIDGE SRND ARPT. MT FLYING EXPERIENCE STRONGLY RCMDD.
›APCH RATIO TO DSPLCD THR 37:1; APCH RATIO TO DSPLCD THR OVER +15 FT ROAD 310 FT FM DSPLCD THR 20:1.
›APCH RATIO 10:1 TO DSPLCD THLD.
›ADD'L AUTH SOURCE, HOWARD DASHIELL, DIR MCDOT (707) 463-4363, BOB MORGAN (MORGANB@CO.MENDOCINO.CA.US) ENG MCDOT (707) 463-5494
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗KO09 on OurAirports
FREQUENTLY ASKED
Does KO09 have a METAR?
No on-field METAR is issued for KO09. This page uses the nearest reporting station as a reference.
Does KO09 have a TAF?
No TAF is issued directly for KO09. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KO09?
KO09 sits at 1,434 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KO09?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.