KAST TAF
Terminal aerodrome forecast for Astoria Regional (AST · KAST), Astoria, OR. Issued 21 Sep 2026 0623Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of Astoria Regional — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0623Z
valid 0600Z to 0600ZTAF KAST 210623Z 2106/2206 00000KT P6SM BKN014 FM210900 VRB03KT 5SM BR OVC009 FM211500 32007KT P6SM BKN015 FM212000 30008KT P6SM FEW020 SCT250
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 0900Z | Initial | 000° at 0 kt | 6+ SM | 1,400 ft BKN | Broken at 1,400 ft AGL | MVFR |
| 0900Z to 1500Z | FM | Variable at 3 kt | 5 SM | 900 ft OVC | Overcast at 900 ft AGL | IFR |
| 1500Z to 2000Z | FM | 320° at 7 kt | 6+ SM | 1,500 ft BKN | Broken at 1,500 ft AGL | MVFR |
| 2000Z to 0600Z | FM | 300° at 8 kt | 6+ SM | Clear | Few at 2,000 ft AGL, Scattered at 25,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KAST?
The forecast issued 21 Sep 2026 0623Z for Astoria Regional reads: TAF KAST 210623Z 2106/2206 00000KT P6SM BKN014 FM210900 VRB03KT 5SM BR OVC009 FM211500 32007KT P6SM BKN015 FM212000 30008KT P6SM FEW020 SCT250
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 KAST
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Something here wrong or out of date?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.