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

Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair and Breezy

88°F

31°C

Humidity 23%
Wind Speed SE 24 G 37 mph
Barometer 30.26 in (1013.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Jul 4:52 pm MDT
Extended Forecast for

Alamosa CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    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 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 89. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming north northeast in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °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 cloudy through mid morning, then becoming sunny, with a high near 88. North northwest wind 5 to 10 mph becoming southeast 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

    Mostly 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 in the evening. 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 southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 85 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 51. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

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

    High: 86 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind around 10 mph. 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 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 89. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming north northeast in the evening. 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 cloudy through mid morning, then becoming sunny, with a high near 88. North northwest wind 5 to 10 mph becoming southeast 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 in the evening. 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 southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 51. South wind around 5 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West northwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. West southwest wind around 5 mph.
Friday
Sunny, with a high near 88. North northwest wind around 5 mph becoming west in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 88. West northwest wind around 5 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. East southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 89. Southwest wind around 5 mph becoming north in the afternoon.
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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:
3:41 pm MDT Jul 26, 2026
Forecast Valid:
5pm MDT Jul 26, 2026-6pm MDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation