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

60°F

16°C

Humidity 20%
Wind Speed NE 9 mph
Barometer 29.96 in (1009.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 30 Apr 1:52 pm MDT
Extended Forecast for

Alamosa CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 58. North northeast wind 10 to 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 27. Northeast wind 10 to 15 mph becoming east 5 to 10 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 56. Northwest wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 62. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 62 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. South southeast wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. South southeast wind 5 to 10 mph becoming west in the morning.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 32. West wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 58. North northeast wind 10 to 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 27. Northeast wind 10 to 15 mph becoming east 5 to 10 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 56. Northwest wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.
Friday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 62. Light south wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 27. South southeast wind 5 to 10 mph.
Sunday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. South southeast wind 5 to 10 mph becoming west in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 32. West wind 5 to 10 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers. Sunny, with a high near 65. South southwest wind 5 to 15 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 29. West wind 10 to 15 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64. East northeast 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 pm MDT Apr 30, 2026
Forecast Valid:
2pm MDT Apr 30, 2026-6pm MDT May 6, 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