WxDecoder
US-3982

Sky Valley Ranch Airport

Copperopolis, CaliforniaSmall airport
OFF-FIELD REFERENCE
Nearest report: KMOD · 26 NM SW · 47 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 · KMOD
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Heat AdvisoryModerate · Expected · Likely
9 1737Z to 11 0500Z
Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Northern Motherlode Between 1000-3000 ft; Central Motherlode Between 1000-3000 ft; Southern Motherlode Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Capay Hills of Yolo County and Vaca Hills of Solano County; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Eastern Diablo Range Above 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
* WHAT...High temperatures 97 to 103 and low temperatures 65 to 75 expected, with widespread Moderate HeatRisk and areas of Major HeatRisk. * WHERE...The central and southern Sacramento Valley, northern San Joaquin Valley, Delta and Carquinez Strait, foothills, and portions of the Coast Range. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses, especially t…
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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 from 18° at 1 kt, temperature 25.56C. Treat this as supplemental, not an aviation observation. Forecast suggests thursday mostly sunny, high near 97F, low near 68F, 3% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Thursday Mostly Sunny 97/68 NNW 10 kt 19 kt 3%
Friday Sunny 91/65 WNW 8 kt – 0%
Saturday Sunny 83/56 NW 10 kt – 0%
Sunday Sunny 79/58 NW 10 kt – 0%
Monday Sunny 83/59 NNW 7 kt – 0%
Tuesday Sunny 83/58 NW 6 kt – 0%
Wednesday Sunny 82 NW 7 kt – 0%

Source: National Weather Service (office STO). Forecast issued 0840Z.

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
Crosswind calculator
No runway layout is available for US-3982. Enter a runway number or heading to estimate wind components.
DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0220Z 7:20 PM
Sunrise
1340Z 6:40 AM
Loggable night
0246Z (7:46 PM local) → 1313Z (6:13 AM local)
end of evening to start of morning civil twilight
Position lights required
0220Z (7:20 PM local) → 1340Z (6:40 AM local)
sunset to sunrise (91.209)
Night passenger currency
0320Z (8:20 PM local) → 1240Z (5:40 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

Sky Valley Ranch Airport is in Copperopolis, California. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAUS-3982
RegionCalifornia
CountryUnited States
Coordinates37.9920, -120.6727
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-3982 traffic patterns

2026-06-30 to 2026-06-30, 1 days observed · data 2026-09-08

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Tue · Busiest month: Jun

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B407 (Helicopter) · ~1 landings/mo
Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

US-3982 has no on-field report. Nearest reporting station: KMOD (26 NM SW, VFR).

KMOD Modesto City Co-Harry Sham Field
26 NM SW
VFR
KSCK Stockton Metropolitan Airport
27 NM W
VFR
KMER Castle Airport
37 NM S
VFR
KMCE Merced Regional Macready Field
43 NM S
VFR
KPVF Placerville Airport
44 NM N
VFR
KMHR Sacramento Mather Airport
45 NM NW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-3982 on OurAirports
FREQUENTLY ASKED
Does US-3982 have a METAR?
No on-field METAR is issued for US-3982. This page uses the nearest reporting station as a reference.
Does US-3982 have a TAF?
No TAF is issued directly for US-3982. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for US-3982?
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.