WxDecoder

W09 Weather Lower Monumental State Airport

Kahlotus, WashingtonElevation 813 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KALW · 29 NM S · 53 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 · KALW
WIND
160@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 today widespread frost then partly sunny, high near 61F, low near 36F, 28% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Widespread Frost then Partly Sunny 61/36 NE 3 kt – 28%
Monday Chance Rain Showers then Mostly Cloudy 55/39 S 6 kt – 28%
Tuesday Mostly Sunny 58/37 SW 10 kt 18 kt 12%
Wednesday Slight Chance Rain Showers 56/30 SW 10 kt – 31%
Thursday Partly Sunny then Slight Chance Rain Showers 53/28 S 4 kt – 31%
Friday Chance Rain Showers then Partly Sunny 50/26 SW 4 kt – 31%
Saturday Mostly Sunny 50/25 S 4 kt – 13%

Source: National Weather Service (office PDT). Forecast issued 1445Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
1 runway
NESW0119
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 3,300 ft

01/19
Dimensions
3,300 x 50 ft
Surface
Gravel (fair)
RWY 0129°T
Traffic patternRight
RWY 19209°T
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
813 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0050Z 5:50 PM
Sunrise
1427Z 7:27 AM
Loggable night
0121Z (6:21 PM local) → 1355Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
0050Z (5:50 PM local) → 1427Z (7:27 AM local)
sunset to sunrise (91.209)
Night passenger currency
0150Z (6:50 PM local) → 1327Z (6:27 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

Lower Monumental State Airport is in Kahlotus, Washington. Field elevation 813 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerWSDOT AVIATION DIVISION
Manager phone800-552-0666
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAW09
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates46.5504, -118.5360
Distance from city5 NM S
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

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

W09 has no on-field report. Nearest reporting station: KALW (29 NM S, VFR).

KALW Walla Walla Regional Airport
29 NM S
VFR
KPSC Tri Cities Airport
30 NM SW
VFR
KRLD Richland Airport
35 NM SW
VFR
KMWH Grant County International Airport
51 NM NW
VFR
KHRI Hermiston Municipal Airport
53 NM SW
VFR
KPDT Eastern Oregon Regional Airport at Pendleton
53 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.
›PRVDD THE FOLLOWING APPEARS IN TH AIM; MULTIPLE POWER LINES 0.4 MI NNE OF ARPT. CAUTION; RWY ROUGH; ROCK SURFACE.
›PILOTS PROVD OWN TIEDOWN CHAINS.
›RWY 01/19 RWY SURFACE EMULSION LAYER CRUMBLES.
›GRVL PTNS OF RWY ABNDT OF WEEDS AND SFC ROUGH AND SOFT.
›(CONTACT TITLE) OTR CTC: AVIATION@WSDOT.WA.GOV
›(CONTACT TITLE) OTR CTC: EMAIL AVIATION@WSDOT.WA.GOV
›VEHICLES; PEDESTRIANS, AND ANIMALS ON & INOV RY.
›MULTIPLE POWERLINES 0.4 MILE NNE OF AIRPORT.
›NO WINTER SNOW REMOVAL OPS.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗W09 on OurAirports
FREQUENTLY ASKED
Does W09 have a METAR?
No on-field METAR is issued for W09. This page uses the nearest reporting station as a reference.
Does W09 have a TAF?
No TAF is issued directly for W09. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at W09?
W09 sits at 813 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for W09?
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.