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

51°F

11°C

Humidity 69%
Wind Speed SW 6 mph
Barometer 30.45 in (1021.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 Aug 12:52 am MDT
Extended Forecast for

Alamosa CO

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Northwest wind around 5 mph becoming southwest.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. West southwest wind 5 to 15 mph becoming east northeast in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. West northwest wind 5 to 15 mph becoming east northeast in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 84. Light and variable wind becoming west southwest 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: 84 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. West wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west 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

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. West wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. West wind 5 to 10 mph becoming south after midnight.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Northwest wind around 5 mph becoming southwest.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. West southwest wind 5 to 15 mph becoming east northeast in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. West northwest wind 5 to 15 mph becoming east northeast in the evening. 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, mainly after 1pm. Increasing clouds, with a high near 84. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. 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 before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. West wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. West wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 49. West wind 5 to 10 mph becoming south after midnight.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 51. West northwest wind 5 to 10 mph becoming south after midnight.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. South southwest wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. 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:
12:31 am MDT Aug 25, 2026
Forecast Valid:
1am MDT Aug 25, 2026-6pm MDT Aug 31, 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