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

69°F

21°C

Humidity 42%
Wind Speed Calm
Barometer 30.38 in (1018.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Jul 9:52 am MDT
Extended Forecast for

Alamosa CO

  • Today

    Today: Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph becoming east southeast 10 to 15 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 47. Southeast wind 10 to 15 mph becoming light and variable after midnight. Chance of precipitation is 10%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Northwest wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 86. South southeast wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light west southwest after midnight. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. North northwest wind around 5 mph becoming east after midnight.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 83. North northwest wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph becoming east southeast 10 to 15 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 47. Southeast wind 10 to 15 mph becoming light and variable after midnight. Chance of precipitation is 10%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Northwest wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 86. South southeast wind 5 to 10 mph becoming north northwest in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light west southwest after midnight. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 85. Calm wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. North northwest wind around 5 mph becoming east after midnight.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 83. North northwest wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. South wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southeast wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. South southwest wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
Last Update:
10:04 am MDT Jul 13, 2025
Forecast Valid:
10am MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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