National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Luis Valley Regional Airport (KALS)

Lat: 37.44°NLon: 105.86°WElev: 7536ft.

Mostly Cloudy

3°F

-16°C

Humidity 87%
Wind Speed SE 5 mph
Barometer 30.12 in (1026.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 4 Dec 11:52 pm MST
Extended Forecast for

Alamosa CO

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 31. Calm wind becoming north around 5 mph.

    High: 31 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37. South wind around 5 mph becoming north northwest in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. North northwest wind around 5 mph becoming west southwest in the evening.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 33. West wind around 5 mph becoming east in the afternoon.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1. North wind around 5 mph becoming west northwest in the evening.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35. West northwest wind around 5 mph becoming north in the morning.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. Calm wind becoming northwest around 5 mph.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 3. Calm wind.
Friday
Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 31. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 4. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 37. South wind around 5 mph becoming north northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 4. North northwest wind around 5 mph becoming west southwest in the evening.
Sunday
Sunny, with a high near 33. West wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 1. North wind around 5 mph becoming west northwest in the evening.
Monday
Sunny, with a high near 35. West northwest wind around 5 mph becoming north in the morning.
Monday Night
Mostly clear, with a low around 3. Calm wind becoming northwest around 5 mph.
Tuesday
Mostly sunny, with a high near 37. West wind around 5 mph becoming south southeast in the morning.
Tuesday Night
Partly cloudy, with a low around 9. West northwest wind around 5 mph becoming southwest in the evening.
Wednesday
Mostly sunny, with a high near 43. West wind around 5 mph becoming south in the morning.
Wednesday Night
Partly cloudy, with a low around 13. West wind around 5 mph.
Thursday
Sunny, with a high near 46. South wind around 5 mph becoming northeast in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
Last Update:
9:46 pm MST Dec 4, 2025
Forecast Valid:
12am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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