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

72°F

22°C

Humidity 46%
Wind Speed SE 9 mph
Barometer 30.29 in (1016.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 1 Sep 2:52 pm MDT
Extended Forecast for

Alamosa CO

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 81. South southeast wind 10 to 15 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 43. Southwest wind 10 to 15 mph becoming south 5 to 10 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Breezy, with a light and variable wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 35 mph.

    High: 84 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Breezy, with a west southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 45 °F

    Clear and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Breezy, with a light south wind becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. South wind 5 to 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. West northwest wind around 5 mph becoming south southeast in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 81. South southeast wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 43. Southwest wind 10 to 15 mph becoming south 5 to 10 mph after midnight.
Wednesday
Sunny, with a high near 84. Breezy, with a light and variable wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 45. Breezy, with a west southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Thursday
Sunny, with a high near 85. Breezy, with a light south wind becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 47. South wind 5 to 15 mph.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. West northwest wind around 5 mph becoming south southeast in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South wind 5 to 10 mph becoming west northwest after midnight.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49. South wind 5 to 10 mph.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.45°N 105.9°W (Elev. 7497 ft)
Last Update:
2:41 pm MDT Sep 1, 2026
Forecast Valid:
3pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation