WxDecoder

US-4599 Weather Dymesich Airport

Cottonwood, CaliforniaElevation 414 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRDD · 7 NM NW · 54 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 · KRDD
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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, visibility 10 SM, temperature 8C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday haze then mostly sunny, high near 73F, low near 40F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Haze then Mostly Sunny 73/40 SW 4 kt – 0%
Monday Sunny 70/36 SW 2 kt – 0%
Tuesday Patchy Frost then Sunny 72/37 NW 3 kt – 1%
Wednesday Patchy Frost then Sunny 69/38 W 3 kt – 5%
Thursday Mostly Sunny then Slight Chance Light Rain 66/36 W 3 kt – 21%
Friday Chance Light Rain 63/34 NW 3 kt – 33%
Saturday Chance Light Rain 62 NW 3 kt – 27%

Source: National Weather Service (office STO). Forecast issued 0946Z.

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-4599. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
414 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0116Z 6:16 PM
Sunrise
1430Z 7:30 AM
Loggable night
0143Z (6:43 PM local) → 1402Z (7:02 AM local)
end of evening to start of morning civil twilight
Position lights required
0116Z (6:16 PM local) → 1430Z (7:30 AM local)
sunset to sunrise (91.209)
Night passenger currency
0216Z (7:16 PM local) → 1330Z (6:30 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

Dymesich Airport is in Cottonwood, California. Field elevation 414 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAUS-4599
RegionCalifornia
CountryUnited States
Coordinates40.4044, -122.2137
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4599 traffic patterns

2026-07-13 to 2026-10-04, 2 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Operations trend (1 days)

Busiest day: Sun · Busiest month: Oct

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›H60 (Helicopter) · ~1 landings/mo
›UNKN (Helicopter) · ~0 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-4599 has no on-field report. Nearest reporting station: KRDD (7 NM NW, VFR).

KRDD Redding Municipal Airport
7 NM NW
VFR
KRBL Red Bluff Municipal Airport
15 NM S
VFR
KCIC Chico Regional Airport
40 NM SE
VFR
KOVE Oroville Municipal Airport
61 NM SE
VFR
KSVE Susanville Municipal Airport
75 NM E
VFR
KSIY Siskiyou County Airport
83 NM N
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4599 on OurAirports
FREQUENTLY ASKED
Does US-4599 have a METAR?
No on-field METAR is issued for US-4599. This page uses the nearest reporting station as a reference.
Does US-4599 have a TAF?
No TAF is issued directly for US-4599. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4599?
US-4599 sits at 414 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4599?
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.