KMWH TAF

Terminal aerodrome forecast for Grant County International (MWH · KMWH), Moses Lake, WA. Issued 5 Nov 2026 0520Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map

All of Grant County International — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 0520Z

valid 0600Z to 0600Z

TAF KMWH 050520Z 0506/0606 35005KT P6SM SCT025 OVC050 PROB30 0506/0512 3SM -SHRA OVC007 FM051200 32003KT 1/2SM FG OVC003 FM051900 24005KT P6SM SCT250 FM060200 14005KT P6SM SCT003

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0600Z to 1200Z	Initial	350° at 5 kt	6+ SM	5,000 ft OVC	Scattered at 2,500 ft AGL, Overcast at 5,000 ft AGL	VFR

0600Z to 1200Z	PROB	No change	3 SM	700 ft OVC	Overcast at 700 ft AGL	IFR

1200Z to 1900Z	FM	320° at 3 kt	0.5 SM	300 ft OVC	Overcast at 300 ft AGL	LIFR

1900Z to 0200Z	FM	240° at 5 kt	6+ SM	Clear	Scattered at 25,000 ft AGL	VFR

0200Z to 0600Z	FM	140° at 5 kt	6+ SM	Clear	Scattered at 300 ft AGL	VFR

What the change groups mean

FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
LIFR: Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.

Frequently asked

What is the current TAF for KMWH?

The forecast issued 5 Nov 2026 0520Z for Grant County International reads: TAF KMWH 050520Z 0506/0606 35005KT P6SM SCT025 OVC050 PROB30 0506/0512 3SM -SHRA OVC007 FM051200 32003KT 1/2SM FG OVC003 FM051900 24005KT P6SM SCT250 FM060200 14005KT P6SM SCT003

How far ahead does a TAF forecast?

A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.

What do FM, BECMG and TEMPO mean?

FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.

More about KMWH

Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

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