KMRB TAF

Terminal aerodrome forecast for Eastern Wv Regional/Shepherd Field (MRB · KMRB), Martinsburg, WV. Issued 20 Sep 2026 2344Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map

All of Eastern Wv Regional/Shepherd Field — runways, frequencies, charts and live weather

TAF issued 20 Sep 2026 2344Z

valid 0000Z to 0000Z

TAF KMRB 202344Z 2100/2124 25006KT P6SM BKN045 FM210100 30003KT P6SM OVC040 TEMPO 2101/2104 5SM -SHRA FM210400 35003KT P6SM BKN025 FM210700 01006KT P6SM BKN015 PROB30 2113/2117 5SM -SHRA FM211700 01006KT 5SM -SHRA BR BKN025 OVC045

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0000Z to 0100Z	Initial	250° at 6 kt	6+ SM	4,500 ft BKN	Broken at 4,500 ft AGL	VFR
0100Z to 0400Z	FM	300° at 3 kt	6+ SM	4,000 ft OVC	Overcast at 4,000 ft AGL	VFR
0100Z to 0400Z	TEMPO	Calm	5 SM	Clear	No cloud forecast	MVFR
0400Z to 0700Z	FM	350° at 3 kt	6+ SM	2,500 ft BKN	Broken at 2,500 ft AGL	MVFR
0700Z to 1700Z	FM	010° at 6 kt	6+ SM	1,500 ft BKN	Broken at 1,500 ft AGL	MVFR
1300Z to 1700Z	PROB	Calm	5 SM	Clear	No cloud forecast	MVFR
1700Z to 0000Z	FM	010° at 6 kt	5 SM	2,500 ft BKN	Broken at 2,500 ft AGL, Overcast at 4,500 ft AGL	MVFR

What the change groups mean

FM: From — a rapid, permanent change to the conditions that follow.
TEMPO: Temporary — expected for less than half the period, in spells under an hour.

What the categories mean

VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
MVFR: Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.

Frequently asked

What is the current TAF for KMRB?

The forecast issued 20 Sep 2026 2344Z for Eastern Wv Regional/Shepherd Field reads: TAF KMRB 202344Z 2100/2124 25006KT P6SM BKN045 FM210100 30003KT P6SM OVC040 TEMPO 2101/2104 5SM -SHRA FM210400 35003KT P6SM BKN025 FM210700 01006KT P6SM BKN015 PROB30 2113/2117 5SM -SHRA FM211700 01006KT 5SM -SHRA BR BKN025 OVC045

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 KMRB

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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