WxDecoder

WN31 Weather Slinkard Airfield

Mesa, WashingtonElevation 890 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KPSC · 20 NM S · 46 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 · KPSC
WIND
330@5
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, temperature 2.78C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon mostly cloudy, high near 58F, low near 37F, 20% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Mostly Cloudy 58/37 NW 4 kt – 20%
Monday Slight Chance Rain Showers then Partly Sunny 53/38 S 6 kt – 21%
Tuesday Mostly Sunny 57/38 SW 9 kt 18 kt 14%
Wednesday Partly Sunny 54/33 S 10 kt – 14%
Thursday Mostly Sunny 51/30 SW 4 kt – 18%
Friday Slight Chance Rain Showers then Mostly Sunny 50/28 NW 5 kt – 18%
Saturday Mostly Sunny then Slight Chance Rain Showers 49/28 NW 4 kt – 18%

Source: National Weather Service (office PDT). Forecast issued 0039Z.

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 WN31. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,900 ft

04/22
Dimensions
1,900 x 24 ft
Surface
Gravel
RWY 04
RWY 22

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
890 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0052Z 5:52 PM
Sunrise
1429Z 7:29 AM
Loggable night
0123Z (6:23 PM local) → 1358Z (6:58 AM local)
end of evening to start of morning civil twilight
Position lights required
0052Z (5:52 PM local) → 1429Z (7:29 AM local)
sunset to sunrise (91.209)
Night passenger currency
0152Z (6:52 PM local) → 1329Z (6:29 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

Slinkard Airfield is in Mesa, Washington. Field elevation 890 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerANDREW L SLINKARD
Manager phone(509) 948-4864
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAWN31
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates46.6031, -119.0626
Distance from city3 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

WN31 traffic patterns

2026-10-17 to 2026-10-17, 1 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (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

WN31 has no on-field report. Nearest reporting station: KPSC (20 NM S, VFR).

KPSC Tri Cities Airport
20 NM S
VFR
KRLD Richland Airport
20 NM SW
VFR
KMWH Grant County International Airport
38 NM N
VFR
KALW Walla Walla Regional Airport
44 NM SE
VFR
KEPH Ephrata Municipal Airport
46 NM NW
VFR
KHRI Hermiston Municipal Airport
47 NM S
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHINOOK APCH AT 509-542-4209, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
›1000' OVERRUN AT WEST END, CAUTION- IRRIGATION PIPE.
›IRRIGATION DITCH PARALLEL AND ADJACENT TO SOUTH BOUNDARY OF RWY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗WN31 on OurAirports
FREQUENTLY ASKED
Does WN31 have a METAR?
No on-field METAR is issued for WN31. This page uses the nearest reporting station as a reference.
Does WN31 have a TAF?
No TAF is issued directly for WN31. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at WN31?
WN31 sits at 890 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for WN31?
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.