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.

Fair

11°F

-12°C

Humidity 73%
Wind Speed Calm
Barometer 30.14 in (1024.3 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 21 Jan 9:52 pm MST
Extended Forecast for

Alamosa CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. South wind around 5 mph becoming west southwest after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Calm wind becoming south southeast around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17. West wind around 5 mph becoming south southeast in the evening.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 43. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 43 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. South wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers. High near 34. South southeast wind 10 to 15 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around -3. North wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: -3 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 27. North northwest wind around 5 mph becoming east in the morning.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -6. Southwest wind around 5 mph.

    Low: -6 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 8. South wind around 5 mph becoming west southwest after midnight.
Thursday
Mostly sunny, with a high near 43. Calm wind becoming south southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 17. West wind around 5 mph becoming south southeast in the evening.
Friday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 43. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Friday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. South wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Snow showers. High near 34. South southeast wind 10 to 15 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around -3. North wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 27. North northwest wind around 5 mph becoming east in the morning.
Sunday Night
Mostly clear, with a low around -6. Southwest wind around 5 mph.
Monday
Sunny, with a high near 30. Southwest wind around 5 mph becoming southeast in the morning.
Monday Night
Partly cloudy, with a low around -3. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 34. Calm wind becoming south around 5 mph.
Tuesday Night
Mostly clear, with a low around -2. West wind around 5 mph.
Wednesday
Sunny, with a high near 37. Calm wind becoming southeast around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.45°N 105.9°W (Elev. 7497 ft)
Last Update:
9:52 pm MST Jan 21, 2026
Forecast Valid:
10pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation