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Current conditions at

San Luis Valley Regional Airport (KALS)

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

A Few Clouds

49°F

9°C

Humidity 59%
Wind Speed SE 5 mph
Barometer 30.26 in (1023.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Oct 6:52 pm MDT
Extended Forecast for

Alamosa CO

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South southeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Light south southeast wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. South southeast wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Southwest wind 5 to 10 mph becoming light south after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. South wind around 5 mph. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 43. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 64. Light south southeast wind becoming south southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 36. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 64. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 36. Southwest wind 5 to 10 mph becoming light south after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. South wind around 5 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 43. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 59. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 32. South southwest wind 10 to 15 mph.
Saturday
Sunny, with a high near 55. West wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 30. Southeast wind around 5 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 57. North northwest wind 5 to 10 mph becoming south in the afternoon.
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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:
2:41 pm MDT Oct 18, 2026
Forecast Valid:
7pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation