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

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair

27°F

-3°C

Humidity 69%
Wind Speed SW 12 G 20 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 18 Feb 2:52 am MST
Extended Forecast for

Alamosa CO

High Wind Warning February 18, 06:00am until February 18, 07:00pm
Click here for hazard details and duration
High Wind Warning

  • Overnight

    Overnight: A 20 percent chance of snow showers. Mostly cloudy, with a low around 22. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow showers likely, mainly between 2pm and 3pm. Patchy blowing dust after 9am. Partly sunny, with a high near 42. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers, mainly before 7pm. Mostly clear, with a low around 7. Wind chill values between -5 and 5. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 7 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 36. Wind chill values between -5 and 5. Breezy, with a west southwest wind 10 to 20 mph.

    High: 36 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 9. South wind 10 to 15 mph.

    Low: 9 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly before 11am. Patchy blowing snow between 10am and 11am. Partly sunny, with a high near 37. Breezy, with a south wind 15 to 20 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. West wind 5 to 15 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 38. West wind around 5 mph becoming north in the afternoon.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. North wind around 5 mph becoming west southwest in the evening.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 22. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Wednesday
Snow showers likely, mainly between 2pm and 3pm. Patchy blowing dust after 9am. Partly sunny, with a high near 42. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow showers, mainly before 7pm. Mostly clear, with a low around 7. Wind chill values between -5 and 5. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Thursday
Sunny, with a high near 36. Wind chill values between -5 and 5. Breezy, with a west southwest wind 10 to 20 mph.
Thursday Night
A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 9. South wind 10 to 15 mph.
Friday
Snow showers likely, mainly before 11am. Patchy blowing snow between 10am and 11am. Partly sunny, with a high near 37. Breezy, with a south wind 15 to 20 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
Mostly clear, with a low around 0. West wind 5 to 15 mph.
Saturday
Sunny, with a high near 38. West wind around 5 mph becoming north in the afternoon.
Saturday Night
Mostly clear, with a low around 3. North wind around 5 mph becoming west southwest in the evening.
Sunday
Mostly sunny, with a high near 46. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 9. South southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 52. South southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 14. South southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 5 to 15 mph.
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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:
1:05 am MST Feb 18, 2026
Forecast Valid:
3am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation