Grant County International Airport (KMWH) Aviation Weather: METAR, TAF & ATIS

As of 8:52 PM PDT, Oct 27, KMWH is currently VFR with winds from 220° at 8 knots, visibility 10+ statute miles, and a 7,500 ft ceiling. The FAA lists no ground stop or delay program for KMWH right now.

Live aviation weather for Grant County International Airport in Moses Lake, WA, including METAR, TAF, ATIS, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

Grant County International Airport (KMWH) is a regional airport serving Moses Lake, WA at a field elevation of 1,189 ft. KMWH reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 5 physical runways (04/22, 09/27, 14L/32R, 14R/32L, 18/36), the longest 13,503 ft. The official FAA airport diagram is at the bottom of the page.

Ask ATIS AIAsk anything about KMWH's weather, runways or delays, or search another airport.

VFR

Observed 0352Z (8:52 PM PDT)live · refreshes every 60s

Wind

220° 8 kt

Visibility

10+ sm

Ceiling

7,500 ft

Altimeter

29.85"

Temp / Dew

51°F / 11°C

dew 37°F / 3°C

Wind from the southwest (220°) at 8 kt, visibility 10+ statute miles, broken clouds at 7,500 ft, temperature 11°C (51°F), altimeter 29.85 inHg. Conditions are Visual Flight Rules (VFR), ceiling 7,500 ft.

Raw METAR

METAR KMWH 280352Z AUTO 22008KT 10SM BKN075 11/03 A2985 RMK AO2 SLP112 T01060028

What changed at KMWH?

Since the 0252Z (7:52 PM PDT) report, compared automatically against the latest METAR.

No significant changes since the 0252Z (7:52 PM PDT) report, conditions are holding steady.

Current pilot readout for KMWH

KMWH is currently VFR with winds from 220° at 8 knots, visibility 10+ statute miles, and a 7,500 ft ceiling. the wind favors southwest-facing runway ends (18, 22). Density altitude is approximately 1,050 ft (field elevation 1,189 ft). Review the latest TAF below for forecast changes before departure.

KMWH by the numbers

What the long-run records say about flying here, computed for this airport alone.

89%

of daylight hours VFR, 2006 to 2025

KMWH reported VFR in 89% of daylight observations over 20 years, about 298 flyable days a year. July is the most reliable month and January the least, with IFR or worse 26% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 5% of hours) and low visibility (under 3 miles 4%).

19%

of windy hours favor runway 22

Over 20 years of hourly winds, runway 22 had the best headwind 19% of the time, the north-facing ends (32L, 32R) 19%, and winds were calm 18% of hours. Winds most often blow from the north. Crosswind on the best available runway topped 15 kt in 0% of hours.

snow days a year

Snow fell on about 23 days a year and freezing rain or drizzle on 3. From December to February KMWH was IFR or worse 21% of the time, against 1% from June to August.

fog days a year

Fog was reported on about 36 days a year, and fog or mist on 78. January and December are the foggiest months, with fog in 23% of hours, against 0% in July.

3,200 ft

typical summer-afternoon density altitude

Field elevation is 1,189 ft, but on a median summer afternoon the air performs like 3,200 ft, 2,011 ft higher. Plan for a longer takeoff roll and a weaker climb from June to August.

Sources: hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Runway	Length	Surface	Head / Tail	Crosswind
22FAV	10,000 ft	PEM	8 kt head	2 kt left
18	3,327 ft	ASP	7 kt head	3 kt right
14L	13,503 ft	PEM	4 kt head	7 kt right
14R	2,936 ft	CON	4 kt head	7 kt right
27	3,500 ft	CON	3 kt head	7 kt left
09	3,500 ft	CON	3 kt tail	7 kt right
32L	2,936 ft	CON	4 kt tail	7 kt left
32R	13,503 ft	PEM	4 kt tail	7 kt left
36	3,327 ft	ASP	7 kt tail	3 kt left
04	10,000 ft	PEM	8 kt tail	2 kt right

Open the crosswind calculator to try your own wind and runway numbers →

KMWH runways

5 physical runways · 10 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

Runway 04/22
10,000 × 100 ft · PEM
Status not monitored
Current use
no stated-runway source at KMWH
Wind
04
8 kt tailwind · 2 kt crosswind from right
22
8 kt headwind · 2 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
Runway 09/27
3,500 × 90 ft · CON
Status not monitored
Current use
no stated-runway source at KMWH
Wind
09
3 kt tailwind · 7 kt crosswind from right
27
3 kt headwind · 7 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
Runway 14L/32R
13,503 × 200 ft · PEM
Restricted (NOTAM)
Current use
no stated-runway source at KMWH
Wind
14L
4 kt headwind · 7 kt crosswind from right
32R
4 kt tailwind · 7 kt crosswind from left
1 active equipment NOTAMView Runway Intelligence →
Runway 14R/32L
2,936 × 75 ft · CON
Status not monitored
Current use
no stated-runway source at KMWH
Wind
14R
4 kt headwind · 7 kt crosswind from right
32L
4 kt tailwind · 7 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
Runway 18/36
3,327 × 75 ft · ASP
Status not monitored
Current use
no stated-runway source at KMWH
Wind
18
7 kt headwind · 3 kt crosswind from right
36
7 kt tailwind · 3 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report

Over the last 23 h: wind 5→8 kt, ceiling 11,000 ft → 7,500 ft.

KMWH weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…

Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KMWH

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0330Z (8:30 PM PDT) · 89 NM SW of KMWH · 38,000 ft MSL · B38M

Show raw report

YKM UA /OV YKM165035/TM 0330/FL380/TP B38M/RM MTW +/-15KTS ZSE

YKM UAHeader: reporting station and UA: a routine pilot report.

OV YKM165035Location: fix or navaid, optionally with a radial and distance in NM.

TM 0330Reported at 03:30 UTC.

FL380Altitude: 38,000 ft MSL.

TP B38MAircraft type reporting.

RM MTW +/-15KTS ZSERemarks.

PIREP0105Z (6:05 PM PDT) · 92 NM S of KMWH · 38,000 ft MSL · B738

light to moderate turbulence

Show raw report

PDT UA /OV PDT/TM 0105/FL380/TP B738/TB LGT-MOD/RM /ZSE

PDT UAHeader: reporting station and UA: a routine pilot report.

OV PDTLocation: fix or navaid, optionally with a radial and distance in NM.

TM 0105Reported at 01:05 UTC.

FL380Altitude: 38,000 ft MSL.

TP B738Aircraft type reporting.

TB LGT-MODTurbulence: light to moderate.

RM /ZSERemarks.

PIREP0030Z (5:30 PM PDT) · 86 NM E of KMWH · 6,000 ft MSL · SR22

Show raw report

SFF UA /OV SFF/TM 0030/FL060/TP SR22/SK BKN060-TOPUNKN

SFF UAHeader: reporting station and UA: a routine pilot report.

OV SFFLocation: fix or navaid, optionally with a radial and distance in NM.

TM 0030Reported at 00:30 UTC.

FL060Altitude: 6,000 ft MSL.

TP SR22Aircraft type reporting.

SK BKN060-TOPUNKNSky condition: cloud bases and tops in hundreds of feet MSL.

PIREP0018Z (5:18 PM PDT) · 33 NM NE of KMWH · 38,000 ft MSL · E75L

continuous light chop turbulence

Show raw report

EPH UA /OV EPH038030/TM 0018/FL380/TP E75L/TB CONS LGT CHOP/RM -ZSE

EPH UAHeader: reporting station and UA: a routine pilot report.

OV EPH038030Location: fix or navaid, optionally with a radial and distance in NM.

TM 0018Reported at 00:18 UTC.

FL380Altitude: 38,000 ft MSL.

TP E75LAircraft type reporting.

TB CONS LGT CHOPTurbulence: continuous light chop.

RM -ZSERemarks.

PIREP0006Z (5:06 PM PDT) · 77 NM E of KMWH · 36,000 ft MSL · E75L

continuous light turbulence

Show raw report

GEG UA /OV GEG080005/TM 0006/FL360/TP E75L/TB CONS LGT/RM -ZSE

GEG UAHeader: reporting station and UA: a routine pilot report.

OV GEG080005Location: fix or navaid, optionally with a radial and distance in NM.

TM 0006Reported at 00:06 UTC.

FL360Altitude: 36,000 ft MSL.

TP E75LAircraft type reporting.

TB CONS LGTTurbulence: continuous light.

RM -ZSERemarks.

PIREP2345Z (4:45 PM PDT) · 86 NM E of KMWH · 6,000 ft MSL · SW4

Show raw report

SFF UA /OV SFF/TM 2345/FL060/TP SW4/SK BKN060-TOPUNKN

SFF UAHeader: reporting station and UA: a routine pilot report.

OV SFFLocation: fix or navaid, optionally with a radial and distance in NM.

TM 2345Reported at 23:45 UTC.

FL060Altitude: 6,000 ft MSL.

TP SW4Aircraft type reporting.

SK BKN060-TOPUNKNSky condition: cloud bases and tops in hundreds of feet MSL.

PIREP2308Z (4:08 PM PDT) · 65 NM NE of KMWH · 10,000 ft MSL · B738

Show raw report

GEG UA /OV GEG300020/TM 2308/FL100/TP B738/SK BKN100

GEG UAHeader: reporting station and UA: a routine pilot report.

OV GEG300020Location: fix or navaid, optionally with a radial and distance in NM.

TM 2308Reported at 23:08 UTC.

FL100Altitude: 10,000 ft MSL.

TP B738Aircraft type reporting.

SK BKN100Sky condition: cloud bases and tops in hundreds of feet MSL.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KMWH

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KMWH reported a mix of conditions, most often low IFR across 36 observations, with 5 flight-category changes. The lowest ceiling was 100 ft. Wind most often came from the NE.

Last 24 hours

VFR 44%MVFR 3%IFR 3%LIFR 50%

Wind avg/max: 3/9 kt

Max gust: -

Lowest ceiling: 100 ft

Lowest vis: -

Prevailing wind: NE

Category changes: 5

Most recent change: IFR → VFR

Last 7 days

VFR 88%MVFR 5%IFR 1%LIFR 6%

Wind avg/max: 5/25 kt

Max gust: 35 kt

Lowest ceiling: 100 ft

Lowest vis: 0.25 sm

Prevailing wind: N

Category changes: 8

Most recent change: LIFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

32L/32R: 38%
36: 19%
14L/14R: 10%
27: 9%
18: 9%
22: 9%
04: 5%
09: 1%

TAF | Terminal Aerodrome Forecast

Issued 2331Z (4:31 PM PDT)

TAF KMWH 272331Z 2800/2824 22006KT P6SM SCT040 BKN150 FM280900 19009G15KT P6SM BKN060 OVC100 PROB30 2811/2815 -SHRA FM281700 20010G17KT P6SM SCT070 BKN120

New to TAFs? How to read one →

Get KMWH weather alerts in Telegram

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Live KMWH Weather

Live crosswind meter

Measured by KMWH's own weather station.

Headwind

8 kt

Crosswind (from the left)

2 kt

Wind is 14° off runway 22, the end with the most headwind right now.

Concrete · 10,000 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Grant County International Airport (KMWH) with runway 04/22, 09/27, 14L/32R, 14R/32L, 18/36 marked

N ↑

Runway 04/22, 09/27, 14L/32R, 14R/32L, 18/36 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel: 100LL · Jet A · Jet A-1+
Attended: 24 hours
Repairs: Airframe & engine, major
Oxygen: Bulk, high pressure
Transient parking: Tie-downs · Hangars
Landing fee: Yes
Other services: Air freight · Air ambulance · Cargo handling · Flight instruction
Control tower: Yes
Wind indicator: Lighted

Airport

Type: Regional airport
ICAO: KMWH
IATA: MWH
FAA LID: MWH
City: Moses Lake
State: Washington
Country: United States
Elevation: 1,189 ft
Coordinates: 47.2077, -119.3200
Runways: 5 physical runways · 10 runway ends
Longest runway: 13,503 ft
Weather reporting: Reports METAR
TAF: Published
ATIS: 119.05 MHz
CTAF: 118.25 MHz
Time zone: America/Los_Angeles
Next sunset: 20h 19m

Is there a ground stop at MWH today? Delay status and history →

Run a flight school, FBO, or club here? Embed KMWH's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report

Within 25 NM

8 airports

KEPHEphrata Municipal AirportEphrata, WA10 nm NWVFR METAR WT18Meise FieldMoses Lake, WA4 nm E W20Moses Lake Municipal AirportMoses Lake, WA5 nm SE K5W1Wilson Creek AirportWilson Creek, WA15 nm NE K2S4Warden AirportWarden, WA18 nm SE 04WNStillwater Creek AirportRoyal City, WA20 nm SW

+2 more within 25 NM

25–50 NM

8 airports

KEATPangborn Memorial AirportWenatchee, WA38 nm WVFR METAR · TAF WT32Hart AirportHartline, WA27 nm N KS70Othello Municipal AirportOthello, WA27 nm S K43DOdessa Municipal AirportOdessa, WA28 nm E 74WAMattawa Air StripMattawa, WA33 nm SW K0S0Lind AirportLind, WA33 nm SE

+2 more within 50 NM

50–100 NM

8 airports

KELNBowers FieldEllensburg, WA51 nm WVFR METAR KRLDRichland AirportRichland, WA54 nm SVFR METAR KPSCTri Cities AirportPasco, WA57 nm SVFR METAR · TAF KYKMYakima Air Terminal McAllister FieldYakima, WA63 nm SWVFR METAR · TAF KSKAFairchild Air Force BaseSpokane, WA72 nm EVFR METAR · TAF KOMKOmak AirportOmak, WA76 nm NVFR METAR

+2 more within 100 NM

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

MLRCM - Moses Lake RC Modelers - McKay Field , Moses Lake, WA · 10 mi
MLRCM - Weaver's RC Field , Othello, WA · 30 mi
Weaver's RC Field , Othello, WA · 30 mi

All RC flying fields →

See all Washington airports →

Historical Flying Weather at KMWH

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KMWH reported VFR conditions during about 89.2% of valid daylight observations, with an estimated 298 VFR flying days a year. July had the most VFR weather; January had the most instrument conditions. Surface winds averaged 6.0 kt, calm 13.8% of the time.

VFR Score

Wind Score

Reliability Score

National VFR rank

#219 of 1,400

Regional rank

#13

State rank

Full historical breakdown

Daylight VFR

89.2%

MVFR

5.6%

IFR

3.4%

LIFR

3.8%

Est. VFR days/yr

298

Most VFR month

July

Fewest VFR month

January

Median ceiling

6,000 ft

Median visibility

10 sm

Calm wind

13.8%

Median wind

5 kt

Gusty hours

6.1%

Crosswind >15 kt

0.0%

Fog/mist days/yr

Thunderstorm days/yr

Summer density alt

3,200 ft

Flight category by month

VFRMVFRIFRLIFR

KMWH monthly flight-category distribution, 2006–2025
Month	VFR %	MVFR %	IFR %	LIFR %
Jan	57.8	16.0	12.0	14.2
Feb	80.7	8.8	5.1	5.4
Mar	94.7	2.9	1.3	1.1
Apr	97.8	1.6	0.5	0.2
May	98.8	0.9	0.3	0.0
Jun	99.0	0.8	0.2	0.1
Jul	99.6	0.4	0.0	0.0
Aug	95.0	3.7	1.2	0.1
Sep	96.0	1.9	1.6	0.5
Oct	94.5	3.1	1.3	1.1
Nov	75.3	10.6	6.5	7.5
Dec	57.9	16.3	10.9	14.9

Average wind by month

KMWH average wind by month, 2006–2025
Month	Mean wind (kt)
Jan	4.8 kt
Feb	6.0 kt
Mar	6.6 kt
Apr	7.3 kt
May	6.8 kt
Jun	6.9 kt
Jul	6.2 kt
Aug	5.8 kt
Sep	5.6 kt
Oct	5.6 kt
Nov	5.6 kt
Dec	4.9 kt

Inland Northwest flying weather Most VFR airports Windiest airports Flying Weather Index

Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KMWH airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

Customize your MWH shirt or mug

MWH's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

Shop MWH merch

Pilot PIREPs for Grant County International Airport (KMWH)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Grant County International Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KMWH yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

No D-ATIS at this airport, showing METAR.

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Grant County International Airport (KMWH) Aviation Weather: METAR, TAF & ATIS

What changed at KMWH?

Current pilot readout for KMWH

KMWH by the numbers

Runway wind check

KMWH runways

24-hour trend

KMWH weather radar

Pilot reports (PIREPs) within 100 NM of KMWH

Recent aviation weather trends at KMWH

TAF | Terminal Aerodrome Forecast

Get KMWH weather alerts in Telegram

Live crosswind meter

Field aerial

Airport info

Services

Airport

Nearby airports

Within 25 NM

25–50 NM

50–100 NM

RC flying fields nearby

Historical Flying Weather at KMWH

Flight category by month

Average wind by month

KMWH airport diagram

Customize your MWH shirt or mug

Pilot PIREPs for Grant County International Airport (KMWH)