San Luis Valley Regional Airport/Bergman Field (KALS) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for San Luis Valley Regional Airport/Bergman Field in Alamosa, CO, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
San Luis Valley Regional Airport/Bergman Field (KALS) is a regional airport serving Alamosa, CO at 7,539 ft. KALS reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (02, 06, 20, 24) — longest 8,521 ft — are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KALS in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the south (170°) at 5 kt, visibility 10+ statute miles, overcast at 10,000 ft, temperature 18°C (64°F), altimeter 30.32 inHg. Conditions are Visual Flight Rules (VFR), ceiling 10,000 ft.
METAR KALS 290452Z AUTO 17005KT 10SM OVC100 18/14 A3032 RMK AO2 SLP153 T01780139
What changed at KALS?
Since the 0352Z (9:52 PM MDT) report — compared automatically against the latest METAR.
No significant changes since the 0352Z report — conditions are holding steady.
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Current pilot readout for KALS
KALS is currently VFR with winds from 170° at 5 knots, visibility 10+ statute miles, and a 10,000 ft ceiling. The strongest crosswind component is currently on runway 02, about 3 knots. Density altitude is approximately 9,200 ft (field elevation 7,539 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track KALS free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KALS. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 20FAV | 8,521 ft | ASP | 4 kt head | 3 kt left |
| 02 | 8,521 ft | ASP | 4 kt tail | 3 kt right |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→5 kt, ceiling 9,500 ft → 10,000 ft.
KALS weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around San Luis Valley Regional Airport/Bergman Field in Alamosa, CO: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KALS is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KALS
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
PUB UA /OV KPUB/TM 0226/FL051/TP J328/WX -RA/TB NEG
PUB UAHeader — reporting station and UA: a routine pilot report.OV KPUBLocation — fix or navaid, optionally with a radial and distance in NM.TM 0226Reported at 02:26 UTC.FL051Altitude: 5,100 ft MSL.TP J328Aircraft type reporting.WX -RAWeather and flight visibility observed.TB NEGTurbulence: none reported.Show raw report
RTN UA /OV CIM090020/TM 0200/FL310/TP FA50/TB OCNL LT MOD CHOP/RM ZAB FDCS
RTN UAHeader — reporting station and UA: a routine pilot report.OV CIM090020Location — fix or navaid, optionally with a radial and distance in NM.TM 0200Reported at 02:00 UTC.FL310Altitude: 31,000 ft MSL.TP FA50Aircraft type reporting.TB OCNL LT MOD CHOPTurbulence: occasional lt moderate chop.RM ZAB FDCSRemarks.Show raw report
DEN UA /OV PUB040005/TM 0122/FL080/TP BE99/TB NEG
DEN UAHeader — reporting station and UA: a routine pilot report.OV PUB040005Location — fix or navaid, optionally with a radial and distance in NM.TM 0122Reported at 01:22 UTC.FL080Altitude: 8,000 ft MSL.TP BE99Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
PUB UA /OV PUB258009/TM 0108/FL075/TP J328/TB LGT 075
PUB UAHeader — reporting station and UA: a routine pilot report.OV PUB258009Location — fix or navaid, optionally with a radial and distance in NM.TM 0108Reported at 01:08 UTC.FL075Altitude: 7,500 ft MSL.TP J328Aircraft type reporting.TB LGT 075Turbulence: light 075.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KALS
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KALS reported mostly VFR across 28 observations, with 2 flight-category changes. The strongest gust reached 31 kt, the lowest ceiling was 8,000 ft. Wind most often came from the NW.
Most recent change: IFR → VFR
- 20
- 52%
- 02
- 48%
TAF — Terminal Aerodrome Forecast
Issued 0520Z (11:20 PM MDT)
TAF KALS 290520Z 2906/3006 VRB03KT P6SM SCT090 PROB30 2906/2910 -SHRA BKN090 FM292100 24010KT P6SM SCT090 BKN120 PROB30 2921/3003 VRB20G35KT 6SM -TSRA BKN090CB FM300300 VRB05KT P6SM SCT090
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KALS
- IATA
- ALS
- FAA LID
- ALS
- City
- Alamosa
- State
- Colorado
- Country
- United States
- Elevation
- 7,539 ft
- Coordinates
- 37.4349, -105.8670
- Runways
- 4
- Longest runway
- 8,521 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- AWOS/ASOS
- 135.175 MHz
- Time zone
- America/Denver
- Next sunset
- 20h 43m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
Historical Flying Weather
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KALS reported VFR conditions during about 96.1% of valid daylight observations, with an estimated 336 VFR flying days a year. June had the most VFR weather; January had the most instrument conditions. Surface winds averaged 6.3 kt, calm 18.8% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 88.9 | 3.1 | 2.6 | 5.4 |
| Feb | 94.2 | 2.4 | 1.7 | 1.7 |
| Mar | 95.6 | 1.9 | 1.4 | 1.1 |
| Apr | 96.0 | 1.9 | 1.2 | 0.8 |
| May | 97.0 | 1.9 | 0.7 | 0.4 |
| Jun | 99.0 | 0.5 | 0.2 | 0.3 |
| Jul | 98.5 | 0.9 | 0.2 | 0.4 |
| Aug | 98.2 | 0.8 | 0.3 | 0.8 |
| Sep | 98.0 | 0.9 | 0.3 | 0.8 |
| Oct | 96.8 | 1.6 | 0.6 | 1.0 |
| Nov | 95.9 | 1.1 | 1.1 | 1.9 |
| Dec | 90.5 | 3.0 | 2.2 | 4.3 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 4.4 kt |
| Feb | 6.3 kt |
| Mar | 7.8 kt |
| Apr | 8.9 kt |
| May | 8.4 kt |
| Jun | 7.4 kt |
| Jul | 5.7 kt |
| Aug | 5.4 kt |
| Sep | 5.5 kt |
| Oct | 5.9 kt |
| Nov | 5.1 kt |
| Dec | 4.7 kt |
Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KALS airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for San Luis Valley Regional Airport/Bergman Field in Alamosa, CO shows the runway and taxiway layout across 4 runways, ramp areas, and hold-short positions — review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2608 · Not for navigation. Download the official FAA PDF ↗
KALS weather — frequently asked
What runways are available at KALS?+
KALS has 4 runways — 02, 06, 20, 24; the longest is 8,521 ft. This page computes the live crosswind for each runway end from the current wind.
Does KALS report its own weather?+
Yes — San Luis Valley Regional Airport/Bergman Field has its own weather station and publishes METAR observations, which this page decodes live.
Does KALS have a TAF?+
Yes — the TAF is shown on this page below the current conditions.
Does KALS broadcast D-ATIS?+
No — KALS does not broadcast D-ATIS. Alerts for KALS from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KALS airport diagram?+
The official FAA airport diagram for San Luis Valley Regional Airport/Bergman Field (KALS) is shown on this page — it maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for San Luis Valley Regional Airport/Bergman Field (KALS)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for San Luis Valley Regional Airport/Bergman Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KALS yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
Why pilots use ATIS Alerts
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport — showing METAR.
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