WxDecoder

K8WC Weather Washington County Airport

Potosi, MissouriElevation 959 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KFAM · 18 NM SE · More than 1 hour old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KFAM
WIND
160@3
steady
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 14C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 51F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 51 S 2 kt – 1%
Monday Partly Sunny 75/49 S 4 kt – 2%
Tuesday Partly Sunny 74/51 S 5 kt – 0%
Wednesday Sunny 79/53 S 6 kt – 1%
Thursday Sunny 82/54 S 6 kt – 1%
Friday Partly Sunny 79/57 S 5 kt – 16%
Saturday Rain Showers Likely 74/58 S 6 kt – 74%
Sunday Slight Chance Rain Showers 77 SW 5 kt – 24%

Source: National Weather Service (office LSX). Forecast issued 0220Z.

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
NESW0220
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 4,000 ft

02/20
Dimensions
4,000 x 60 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0219°T
Traffic patternRight
RWY 20199°T

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
959 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2312Z 6:12 PM
Sunrise
1222Z 7:22 AM
Loggable night
2339Z (6:39 PM local) → 1155Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
2312Z (6:12 PM local) → 1222Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
0012Z (7:12 PM local) → 1122Z (6:22 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

Washington County Airport is in Potosi, Missouri. Field elevation 959 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerDANNY WILSON
Manager phone573-854-9173
AttendedALL MON-FRI, 0800–1630
CHARTS & AIRSPACE
ICAO / IATAK8WC
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionMissouri
CountryUnited States
Coordinates37.9292, -90.7315
Distance from city3 NM E
SERVICES & LIGHTING
FuelJet A+
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.000
UNICOM123.000
FREQUENCIES

Communications

123
CTAF/UNICOM
UNIC
123.000
CTAF
CTAF
123.000
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

K8WC traffic patterns

2026-08-06 to 2026-10-04, 3 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.5
AVG OPS/DAY
1
Activity trend over 2 days: flat, from 1 to 1 operations per dayOperations trend (2 days)

Busiest day: Thu · Busiest month: Oct

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›BE36 (Piston single) · ~1 landings/mo
›C172 (Piston single) · ~1 landings/mo
›CH7A (Piston single) · ~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

K8WC has no on-field report. Nearest reporting station: KFAM (18 NM SE, VFR).

KFAM Farmington Regional Airport
18 NM SE
VFR
KSUS Spirit of St Louis Airport
44 NM N
VFR
KCPS St Louis Downtown Airport
47 NM NE
VFR
KVIH Rolla National Airport
51 NM W
VFR
KSAR Sparta Community Airport - Hunter Field
51 NM E
VFR
KSTL St. Louis Lambert International Airport
52 NM N
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC KANSAS CITY ARTCC AT 913-254-8508.
›24-HR SS 100LL AND JET-A FUEL LOCATED AT SOUTH APRON.
›PAVEMENT RATED FOR ACFT UNDER 12,500 LBS.
›ACTVT MIRL RY 02/20 - CTAF.
›WILDLIFE ON & INVOF ARPT.
›USE RIGHT TFC FOR RY 02; DO NOT OVERFLY PRISON AREA.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗K8WC on OurAirports
FREQUENTLY ASKED
Does K8WC have a METAR?
No on-field METAR is issued for K8WC. This page uses the nearest reporting station as a reference.
Does K8WC have a TAF?
No TAF is issued directly for K8WC. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K8WC?
K8WC sits at 959 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K8WC?
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.