KLWB TAF
Terminal aerodrome forecast for Greenbrier Valley (LWB · KLWB), Lewisburg, WV. Issued 21 Sep 2026 0522Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of Greenbrier Valley — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0522Z
valid 0600Z to 0600ZTAF KLWB 210522Z 2106/2206 00000KT 1/4SM FG OVC001 FM211230 00000KT 2SM BR VCSH SCT005 OVC018 FM211500 VRB03KT P6SM VCSH OVC030 FM211800 20004KT P6SM VCTS BKN040CB FM220000 00000KT 6SM SHRA BR OVC027 FM220300 00000KT 1/2SM FG OVC003
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 1230Z | Initial | 000° at 0 kt | 0.25 SM | 100 ft OVC | Overcast at 100 ft AGL | LIFR |
| 1230Z to 1500Z | FM | 000° at 0 kt | 2 SM | 1,800 ft OVC | Scattered at 500 ft AGL, Overcast at 1,800 ft AGL | IFR |
| 1500Z to 1800Z | FM | Variable at 3 kt | 6+ SM | 3,000 ft OVC | Overcast at 3,000 ft AGL | MVFR |
| 1800Z to 0000Z | FM | 200° at 4 kt | 6+ SM | 4,000 ft BKN | Broken at 4,000 ft AGL | VFR |
| 0000Z to 0300Z | FM | 000° at 0 kt | 6+ SM | 2,700 ft OVC | Overcast at 2,700 ft AGL | MVFR |
| 0300Z to 0600Z | FM | 000° at 0 kt | 0.5 SM | 300 ft OVC | Overcast at 300 ft AGL | LIFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- LIFR
- Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KLWB?
The forecast issued 21 Sep 2026 0522Z for Greenbrier Valley reads: TAF KLWB 210522Z 2106/2206 00000KT 1/4SM FG OVC001 FM211230 00000KT 2SM BR VCSH SCT005 OVC018 FM211500 VRB03KT P6SM VCSH OVC030 FM211800 20004KT P6SM VCTS BKN040CB FM220000 00000KT 6SM SHRA BR OVC027 FM220300 00000KT 1/2SM FG OVC003
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 KLWB
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.
Something here wrong or out of date? Report a data problem.