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

75°F

24°C

Humidity 26%
Wind Speed NE 7 mph
Barometer 30.38 in (1019.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 3 Sep 12:52 pm MDT
Extended Forecast for

Alamosa CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. East northeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 80. Light west southwest wind increasing to 10 to 15 mph in the afternoon.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 45. West southwest wind 5 to 15 mph becoming east southeast after midnight. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. East wind 5 to 10 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming south southeast in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after noon. Cloudy, then gradually becoming mostly sunny, with a high near 71. Southeast wind 5 to 10 mph becoming northwest in the morning.

    High: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Southeast wind 5 to 10 mph becoming west southwest after midnight.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Southwest wind around 5 mph becoming north northwest in the afternoon.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 79. North wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 38. East northeast wind 5 to 10 mph becoming southwest after midnight.
Thursday
A 10 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 80. Light west southwest wind increasing to 10 to 15 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 45. West southwest wind 5 to 15 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. East wind 5 to 10 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming south southeast in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after noon. Cloudy, then gradually becoming mostly sunny, with a high near 71. Southeast wind 5 to 10 mph becoming northwest in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Southeast wind 5 to 10 mph becoming west southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Southwest wind around 5 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. South wind 5 to 10 mph.
Monday
Sunny, with a high near 76. West northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 76. South wind 5 to 10 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:
12:52 pm MDT Sep 3, 2025
Forecast Valid:
1pm MDT Sep 3, 2025-6pm MDT Sep 9, 2025
 
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