WxDecoder

W20 Weather Moses Lake Municipal Airport

Moses Lake, WashingtonElevation 1,203 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KMWH · 5 NM NW · 7 min old
Ceiling 10,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMWH
WIND
310@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
10,000 ft
lowest BKN/OVC
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 320° at 4 kt, visibility 10 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy then slight chance light rain, low near 36F, 22% 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 then Slight Chance Light Rain 36 N 7 kt – 22%
Monday Slight Chance Light Rain then Mostly Cloudy 55/39 SE 5 kt – 22%
Tuesday Mostly Sunny 58/39 S 9 kt 18 kt 30%
Wednesday Chance Light Rain then Partly Sunny 54/35 SW 9 kt – 30%
Thursday Partly Sunny then Slight Chance Rain Showers 51/35 NE 4 kt – 29%
Friday Slight Chance Rain Showers then Partly Sunny 49/32 N 5 kt – 24%
Saturday Mostly Sunny 50/32 N 3 kt – 6%
Sunday Mostly Sunny 50 NW 3 kt – 6%

Source: National Weather Service (office OTX). Forecast issued 0659Z.

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 W20. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,513 ft

16/34
Dimensions
2,513 x 50 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 16
Displaced threshold466 ft
VGSIPAPI (P2L)
Traffic patternLeft
RWY 34
Displaced threshold253 ft
VGSIPAPI (P2L)
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
1,203 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0051Z 5:51 PM
Sunrise
1430Z 7:30 AM
Loggable night
0123Z (6:23 PM local) → 1359Z (6:59 AM local)
end of evening to start of morning civil twilight
Position lights required
0051Z (5:51 PM local) → 1430Z (7:30 AM local)
sunset to sunrise (91.209)
Night passenger currency
0151Z (6:51 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

Moses Lake Municipal Airport is in Moses Lake, Washington. Field elevation 1,203 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerCITY MANAGER
Manager phone509-764-3713
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAW20
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates47.1420, -119.2380
Distance from city2 NM NE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.000
UNICOM123.000
FREQUENCIES

Communications

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

W20 traffic patterns

2026-09-04 to 2026-09-04, 1 days observed · data 2026-10-23

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

Busiest day: Fri · Busiest month: Sep

FLEET MIX

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›UNKN (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

W20 has no on-field report. Nearest reporting station: KMWH (5 NM NW, VFR).

KMWH Grant County International Airport
5 NM NW
VFR
KEPH Ephrata Municipal Airport
15 NM NW
VFR
KEAT Pangborn Memorial Airport
42 NM W
VFR
KRLD Richland Airport
50 NM S
VFR
KPSC Tri Cities Airport
53 NM S
VFR
KELN Bowers Field
53 NM W
VFR
AIRPORT REMARKS

Operational remarks

›APCH RATIO 49:1 TO +16 BLDG @ 773 FT FROM DSPLCD THR, 173R.
›ESTABD PRIOR TO 15 MAY 1959.
›APCH RATIO 13:1 FROM DSPLCD THR.
›FOR CD CTC GRANT COUNTY APCH AT 509-762-2842, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
›PILOTS BRING OWN ROPES
›BIRD HAZARD.
›+5 FT EMBANKMENT, ROAD, CANAL, +4 FT FENCE 30 FT FM RWY END 200 FT L/R.
›15 FT FM THR 4 FT FENCE, 25 FT FM THR ROAD; 80 FT FM THR 4 FT FENCE; 45 FT TREE, 125 FT R, 153 FT FR THLD; 23 FT TREE, 83 FT R, 176 FT FM THR.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗W20 on OurAirports
FREQUENTLY ASKED
Does W20 have a METAR?
No on-field METAR is issued for W20. This page uses the nearest reporting station as a reference.
Does W20 have a TAF?
No TAF is issued directly for W20. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at W20?
W20 sits at 1,203 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for W20?
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.