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 not reported, visibility 7 statute miles, a few clouds at 700 ft, scattered clouds at 12,000 ft, temperature 24°C (75°F), altimeter 30.21 inHg. Conditions are Visual Flight Rules (VFR).
METAR KALS 122352Z AUTO 7SM FEW007 SCT120 24/02 A3021 RMK AO2 SLP143 T02390022 10289 20239 56008
What changed at KALS?
Since the 2252Z (4:52 PM MDT) report, compared automatically against the latest METAR.
- Visibility moved from 10 SM to 7 SM.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KALS's weather changes, free →
Current pilot readout for KALS
KALS is currently VFR with calm winds, visibility 7 statute miles, and no ceiling reported. Density altitude is approximately 10,050 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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Runway 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.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 02 | 8,521 ft | ASP | - | - |
| 20 | 8,521 ft | ASP | - | - |
Open the crosswind calculator to 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 0→0 kt, ceiling unlimited → unlimited.
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 © Stadia Maps © OpenMapTiles © OpenStreetMap
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 PUB259004/TM 2326/FL055/TP BE76/TB NEG/IC NEG
PUB UAHeader: reporting station and UA: a routine pilot report.OV PUB259004Location: fix or navaid, optionally with a radial and distance in NM.TM 2326Reported at 23:26 UTC.FL055Altitude: 5,500 ft MSL.TP BE76Aircraft type reporting.TB NEGTurbulence: none reported.IC NEGIcing: none reported.Show raw report
COS UA /OV BRK220020/TM 2238/FL340/TP A21N/SK TOP 290/RM ZDVWC-30
COS UAHeader: reporting station and UA: a routine pilot report.OV BRK220020Location: fix or navaid, optionally with a radial and distance in NM.TM 2238Reported at 22:38 UTC.FL340Altitude: 34,000 ft MSL.TP A21NAircraft type reporting.SK TOP 290Sky condition: cloud bases and tops in hundreds of feet MSL.RM ZDVWC-30Remarks.Show raw report
PSO UA /OV KPSO-KPSO270010 /TM 2224 /FL110 /TP P28A /WX FV99SM /TA 14 /TB MOD CHOP /RM DURC/VERY VERY CHOPY
PSO UAHeader: reporting station and UA: a routine pilot report.OV KPSO-KPSO270010Location: fix or navaid, optionally with a radial and distance in NM.TM 2224Reported at 22:24 UTC.FL110Altitude: 11,000 ft MSL.TP P28AAircraft type reporting.WX FV99SMWeather and flight visibility observed.TA 14Outside air temperature, °C.TB MOD CHOPTurbulence: moderate chop.RM DURC/VERY VERY CHOPYRemarks.Show raw report
ASE UA /OV DBL100063/TM 2150/FL240/TP B737/SK IMC/TA 00/TB LGT CHOP/IC LGT RIME /RM -ZDVWC-26
ASE UAHeader: reporting station and UA: a routine pilot report.OV DBL100063Location: fix or navaid, optionally with a radial and distance in NM.TM 2150Reported at 21:50 UTC.FL240Altitude: 24,000 ft MSL.TP B737Aircraft type reporting.SK IMCSky condition: cloud bases and tops in hundreds of feet MSL.TA 00Outside air temperature, °C.TB LGT CHOPTurbulence: light chop.IC LGT RIMEIcing: light rime.RM -ZDVWC-26Remarks.⚠️ 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 24 observations, with 0 flight-category changes.
- 20
- 70%
- 02
- 30%
TAF | Terminal Aerodrome Forecast
Issued 2323Z (5:23 PM MDT)
TAF KALS 122323Z 1300/1324 26011KT P6SM FEW100 SCT200 FM130300 VRB05KT P6SM FEW090 FM131900 20011G21KT P6SM BKN200
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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
- Sunset in
- 1h 10m
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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 at KALS
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 2610 · 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.
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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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