KIAH TAF
Terminal aerodrome forecast for George Bush Intercontinental Airport (IAH · KIAH), Houston, TX. Issued 6 Aug 2026 2320Z, valid 0000Z to 0600Z, decoded period by period below.
All of George Bush Intercontinental Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2320Z
valid 0000Z to 0600ZTAF KIAH 062320Z 0700/0806 15010KT P6SM FEW050 SCT150 BKN250 FM070300 VRB04KT P6SM FEW020 FM071500 19006KT P6SM SCT030 SCT040 FM071800 14010KT P6SM SCT060 SCT080 PROB30 0719/0722 VRB15G25KT -TSRA BKN050CB OVC100 FM080300 15005KT P6SM FEW050 FEW150
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0300Z | Initial | 150° at 10 kt | 6+ SM | 25,000 ft BKN | Few at 5,000 ft AGL, Scattered at 15,000 ft AGL, Broken at 25,000 ft AGL | VFR |
| 0300Z to 1500Z | FM | Variable at 4 kt | 6+ SM | Clear | Few at 2,000 ft AGL | VFR |
| 1500Z to 1800Z | FM | 190° at 6 kt | 6+ SM | Clear | Scattered at 3,000 ft AGL, Scattered at 4,000 ft AGL | VFR |
| 1800Z to 0300Z | FM | 140° at 10 kt | 6+ SM | Clear | Scattered at 6,000 ft AGL, Scattered at 8,000 ft AGL | VFR |
| 1900Z to 2200Z | PROB | Variable at 15-25 kt | n/a | 5,000 ft BKN | Broken at 5,000 ft AGL, Overcast at 10,000 ft AGL | VFR |
| 0300Z to 0600Z | FM | 150° at 5 kt | 6+ SM | Clear | Few at 5,000 ft AGL, Few at 15,000 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.
Frequently asked
What is the current TAF for KIAH?
The forecast issued 6 Aug 2026 2320Z for George Bush Intercontinental Airport reads: TAF KIAH 062320Z 0700/0806 15010KT P6SM FEW050 SCT150 BKN250 FM070300 VRB04KT P6SM FEW020 FM071500 19006KT P6SM SCT030 SCT040 FM071800 14010KT P6SM SCT060 SCT080 PROB30 0719/0722 VRB15G25KT -TSRA BKN050CB OVC100 FM080300 15005KT P6SM FEW050 FEW150
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 KIAH
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.