WxDecoder

49WA Weather Cougar Mountain Airfield

Yelm, WashingtonElevation 470 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KGRF · 14 NM N · 29 min old
Ceiling 6,500 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KGRF
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
6,500 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 calm, temperature 3.89C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight light rain likely, low near 41F, 56% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Wednesday: Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Light Rain Likely 41 ESE 4 kt – 56%
Monday Chance Light Rain 58/41 ESE 1 kt – 37%
Tuesday Light Rain Likely 57/39 SSW 7 kt – 97%
Wednesday Showers And Thunderstorms 52/35 S 10 kt – 97% Thunderstorms in the forecast
Thursday Light Rain Likely 52/33 S 5 kt – 74%
Friday Chance Light Rain 54/31 NNW 1 kt – 27%
Saturday Partly Sunny 56/32 0 kt – 8%
Sunday Partly Sunny 57 0 kt – 9%

Source: National Weather Service (office SEW). Forecast issued 0123Z.

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 49WA. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,230 ft

N/S
Dimensions
3,230 x 50 ft
Surface
Turf
RWY N
Traffic patternLeft
RWY S
Traffic patternLeft

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
470 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0105Z 6:05 PM
Sunrise
1443Z 7:43 AM
Loggable night
0136Z (6:36 PM local) → 1412Z (7:12 AM local)
end of evening to start of morning civil twilight
Position lights required
0105Z (6:05 PM local) → 1443Z (7:43 AM local)
sunset to sunrise (91.209)
Night passenger currency
0205Z (7:05 PM local) → 1343Z (6:43 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

Cougar Mountain Airfield is in Yelm, Washington. Field elevation 470 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerBEN CARLSON
Manager phone360-522-0471
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA49WA
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates46.8470, -122.5220
Distance from city7 NM SE
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

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

AIRCRAFT ACTIVITY

49WA traffic patterns

2026-06-12 to 2026-10-18, 11 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1.5
Activity trend over 4 days: falling, from 2 to 1 operations per dayOperations trend (4 days)

Busiest day: Thu · Busiest month: Sep

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C182 (Piston single) · ~1 landings/mo
›PA18 (Piston single) · ~1 landings/mo
›FOX (Piston single) · ~1 landings/mo
›PA22 (Piston single) · ~0 landings/mo
›C180 (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

49WA has no on-field report. Nearest reporting station: KGRF (14 NM N, VFR).

KGRF Gray Army Air Field
14 NM N
VFR
KOLM Olympia Regional Airport
17 NM NW
VFR
KTCM McChord Air Force Base
18 NM N
VFR
KCLS Chehalis Centralia Airport
22 NM SW
MVFR
KTIW Tacoma Narrows Airport
25 NM N
VFR
KSHN Sanderson Field
35 NM NW
MVFR
AIRPORT REMARKS

Operational remarks

›CALL OR EMAIL (FLY49WA@GMAIL.COM) FOR PMSN TO LND.
›LND AT YOUR OWN RISK.
›(CONTACT TITLE) ADDITIONAL CONTACT - BEN CARLSON FLY49WA@GMAIL.COM
›LRG WILDLIFE IS OFTEN ON THE AIRFIELD AND LRG MOLEHILLS CAN ALSO BE A HAZ. PPR TO LND.
›AIRFIELD CAN BE EXTREMELY WET AND VERY ROUGH IN SOME AREAS.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗49WA on OurAirports
FREQUENTLY ASKED
Does 49WA have a METAR?
No on-field METAR is issued for 49WA. This page uses the nearest reporting station as a reference.
Does 49WA have a TAF?
No TAF is issued directly for 49WA. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 49WA?
49WA sits at 470 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 49WA?
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.