National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

Lat: 37.44°NLon: 105.86°WElev: 7536ft.

Overcast

54°F

12°C

Humidity 72%
Wind Speed SE 14 mph
Barometer 30.00 in (1010.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 26 May 4:52 pm MDT
Extended Forecast for

Alamosa CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. South southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 3am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between noon and 5pm. Mostly sunny, with a high near 74. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Chance of precipitation is 10%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. East southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. Light south southeast wind becoming south 10 to 15 mph in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. South wind 10 to 15 mph.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. South southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 3am. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms between noon and 5pm. Mostly sunny, with a high near 74. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Partly cloudy, with a low around 39. East southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 78. Light south southeast wind becoming south 10 to 15 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph.
Saturday
Sunny, with a high near 76. South wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 36. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 79. West northwest wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 41. South southwest wind 5 to 15 mph becoming southeast after midnight.
Monday
Sunny, with a high near 79. West wind 5 to 10 mph becoming south southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 41. North northwest wind 10 to 15 mph.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 77. North northwest wind around 5 mph becoming east in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
Last Update:
3:41 pm MDT May 26, 2026
Forecast Valid:
5pm MDT May 26, 2026-6pm MDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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