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

Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Partly Cloudy

74°F

23°C

Humidity 41%
Wind Speed Vrbl 3 mph
Barometer 30.41 in (1018.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 26 Jul 9:52 am MDT
Extended Forecast for

Alamosa CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. North northeast wind 5 to 10 mph becoming south southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 54. Southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Light and variable wind becoming north 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: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph becoming northwest after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 53. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 85 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. West wind around 5 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. North northeast wind 5 to 10 mph becoming south southeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 54. Southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Light and variable wind becoming north 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 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph becoming northwest after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 53. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. West wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. West wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. North northeast wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 87. Northwest wind around 5 mph becoming east in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West northwest wind 5 to 10 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 87. Calm wind becoming east northeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
Last Update:
9:46 am MDT Jul 26, 2026
Forecast Valid:
10am MDT Jul 26, 2026-6pm MDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation