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.

Mostly Cloudy

61°F

16°C

Humidity 48%
Wind Speed S 13 mph
Barometer 30.34 in (1020.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 28 Sep 11:52 am MDT
Extended Forecast for

Antonito CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. South southwest wind 10 to 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Chance
    Showers then
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Light and variable wind becoming south southwest 10 to 15 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Southwest wind 5 to 15 mph.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 7am. Otherwise, sunny, with a high near 70. Southwest wind 5 to 15 mph.

    High: 70 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, sunny, with a high near 72. West southwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 72 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Southwest wind 5 to 10 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 7am. Otherwise, sunny, with a high near 75. West wind 5 to 10 mph becoming south in the afternoon.

    High: 75 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. South southwest 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 showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 40%. 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 after noon. Partly sunny, with a high near 66. Light and variable wind becoming south southwest 10 to 15 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Southwest wind 5 to 15 mph.
Tuesday
Patchy frost before 7am. Otherwise, sunny, with a high near 70. Southwest wind 5 to 15 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.
Wednesday
Areas of frost before 7am. Otherwise, sunny, with a high near 72. West southwest wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Southwest wind 5 to 10 mph.
Thursday
Areas of frost before 7am. Otherwise, sunny, with a high near 75. West wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 37. Southwest wind 5 to 15 mph.
Friday
Sunny, with a high near 74. Southwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 37. Southwest wind 10 to 15 mph.
Saturday
Areas of frost. Otherwise, sunny, with a high near 70. South southwest wind 5 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Antonito CO
 37.08°N 106.01°W (Elev. 7848 ft)
Last Update:
11:42 am MDT Sep 28, 2025
Forecast Valid:
12pm MDT Sep 28, 2025-6pm MDT Oct 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation