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

36°F

2°C

Humidity 21%
Wind Speed Calm
Barometer 30.23 in (1027.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 28 Jan 12:52 pm MST
Extended Forecast for

San Luis CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. South southwest wind 10 to 15 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 15. South wind 10 to 15 mph becoming east northeast after midnight.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Northeast wind 10 to 15 mph becoming northwest in the afternoon.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. North northeast wind around 5 mph becoming east after midnight.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 36. East northeast wind 5 to 10 mph becoming northwest in the morning.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. East northeast wind around 5 mph becoming south southeast after midnight.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. South southwest wind around 5 mph becoming east southeast in the evening.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. Southeast wind around 5 mph becoming west in the morning.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. South southwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 15. South wind 10 to 15 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 35. Northeast wind 10 to 15 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 13. North northeast wind around 5 mph becoming east after midnight.
Friday
Sunny, with a high near 36. East northeast wind 5 to 10 mph becoming northwest in the morning.
Friday Night
Mostly clear, with a low around 18. East northeast wind around 5 mph becoming south southeast after midnight.
Saturday
Sunny, with a high near 45. South wind 5 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 21. South southwest wind around 5 mph becoming east southeast in the evening.
Sunday
Sunny, with a high near 47. Southeast wind around 5 mph becoming west in the morning.
Sunday Night
Mostly clear, with a low around 24. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 48. South wind around 5 mph becoming west southwest in the morning.
Monday Night
Mostly cloudy, with a low around 24. South wind around 5 mph.
Tuesday
A chance of snow showers. Partly sunny, with a high near 42. South southeast wind 5 to 10 mph becoming west northwest in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Luis CO
 37.21°N 105.43°W (Elev. 8199 ft)
Last Update:
12:27 pm MST Jan 28, 2026
Forecast Valid:
1pm MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation