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

20°F

-7°C

Humidity 81%
Wind Speed NW 8 mph
Barometer 30.07 in (1019.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 29 Nov 6:52 am MST
Extended Forecast for

Alamosa CO

  • Today

    Today: Sunny, with a high near 45. West wind 5 to 10 mph becoming light and variable.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Southeast wind around 5 mph.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. South wind 10 to 15 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 16. South wind 10 to 15 mph becoming west northwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 30 percent chance of snow showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 37. North northwest wind 10 to 15 mph.

    High: 37 °F

    Chance Snow
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. West northwest wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. South wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Southwest wind around 5 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 37. South southeast wind around 5 mph.

    High: 37 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Today
Sunny, with a high near 45. West wind 5 to 10 mph becoming light and variable.
Tonight
Mostly cloudy, with a low around 14. Southeast wind around 5 mph.
Sunday
Partly sunny, with a high near 47. South wind 10 to 15 mph.
Sunday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 16. South wind 10 to 15 mph becoming west northwest after midnight. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 37. North northwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 5. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 37. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 4. Southwest wind around 5 mph.
Wednesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 37. South southeast wind around 5 mph.
Wednesday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 6. East southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 36. Northwest wind around 5 mph becoming south southwest in the morning.
Thursday Night
Partly cloudy, with a low around 3. West southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 35. West northwest wind around 5 mph becoming east southeast 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:
6:46 am MST Nov 29, 2025
Forecast Valid:
7am MST Nov 29, 2025-6pm MST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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