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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair

42°F

6°C

Humidity 17%
Wind Speed E 5 mph
Barometer 30.15 in (1023.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 28 Jan 3:52 pm MST
Extended Forecast for

Antonito CO

  • Tonight

    Tonight: Mostly clear, with a low around 7. South southwest wind 5 to 10 mph.

    Low: 7 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Wind chill values between zero and 10. West southwest wind 5 to 10 mph becoming northeast in the morning.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. Calm wind becoming east around 5 mph in the afternoon.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind becoming east around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. Calm wind becoming west southwest around 5 mph.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 7. South southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 40. Wind chill values between zero and 10. West southwest wind 5 to 10 mph becoming northeast in the morning.
Thursday Night
Mostly clear, with a low around 7. Calm wind.
Friday
Sunny, with a high near 43. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 10. Calm wind.
Saturday
Sunny, with a high near 47. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 13. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 16. Calm wind becoming west southwest around 5 mph.
Monday
Mostly sunny, with a high near 51. West wind around 5 mph becoming south in the morning.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 46. North northwest wind 5 to 10 mph.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 13. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 40. North northeast wind 5 to 10 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:
4:12 pm MST Jan 28, 2026
Forecast Valid:
4pm MST Jan 28, 2026-6pm MST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation