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

31°F

-1°C

Humidity 82%
Wind Speed Calm
Barometer 30.34 in (1021.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Sep 6:52 am MDT
Extended Forecast for

Alamosa CO

  • Today

    Today: Increasing clouds, with a high near 74. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South southeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Cloudy, with a low around 44. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 65. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. South wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. Northwest wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 69. South wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 74. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. South southeast wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 44. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 65. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. South wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. Northwest wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 69. South wind 5 to 10 mph. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. South southwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 71. West wind around 5 mph becoming south southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 40. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph 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:
6:41 am MDT Sep 21, 2026
Forecast Valid:
7am MDT Sep 21, 2026-6pm MDT Sep 27, 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