KALS TAF
Terminal aerodrome forecast for San Luis Valley Regional/Bergman Field (ALS · KALS), Alamosa, CO. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of San Luis Valley Regional/Bergman Field — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2320Z
valid 0000Z to 0000ZTAF KALS 202320Z 2100/2124 24012G22KT P6SM SCT090 FM210200 30008KT P6SM FEW090 FM210500 VRB05KT P6SM SKC FM212000 20010KT P6SM SCT070 SCT200
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0200Z | Initial | 240° at 12-22 kt | 6+ SM | Clear | Scattered at 9,000 ft AGL | VFR |
| 0200Z to 0500Z | FM | 300° at 8 kt | 6+ SM | Clear | Few at 9,000 ft AGL | VFR |
| 0500Z to 2000Z | FM | Variable at 5 kt | 6+ SM | Clear | Clear below 12,000 ft | VFR |
| 2000Z to 0000Z | FM | 200° at 10 kt | 6+ SM | Clear | Scattered at 7,000 ft AGL, Scattered at 20,000 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 KALS?
The forecast issued 20 Sep 2026 2320Z for San Luis Valley Regional/Bergman Field reads: TAF KALS 202320Z 2100/2124 24012G22KT P6SM SCT090 FM210200 30008KT P6SM FEW090 FM210500 VRB05KT P6SM SKC FM212000 20010KT P6SM SCT070 SCT200
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 KALS
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Something here wrong or out of date?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.