Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair

23°F

-5°C

Humidity 96%
Wind Speed Calm
Barometer 29.87 in (1012.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 3 Dec 3:52 am MST
Extended Forecast for

2 Miles S Alamosa CO

Winter Weather Advisory December 3, 08:00am until December 4, 02:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow, mainly after 7am.  Areas of freezing fog between 10am and 11am. High near 31. Southeast wind 5 to 10 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow and
    Areas
    Freezing Fog

  • Tonight

    Tonight: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 6. East wind 5 to 10 mph becoming west northwest after midnight.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 6 °F

    Snow Likely
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Calm wind becoming south around 5 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2. Calm wind.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. Calm wind.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Calm wind becoming southwest around 5 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. South southwest wind around 5 mph becoming east in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Southwest wind around 5 mph.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 36. West southwest wind around 5 mph becoming south southeast in the morning.

    High: 36 °F

    Sunny

Detailed Forecast

Today
Snow, mainly after 7am. Areas of freezing fog between 10am and 11am. High near 31. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely, mainly before midnight. Mostly cloudy, with a low around 6. East wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 29. Calm wind becoming south around 5 mph.
Thursday Night
Partly cloudy, with a low around 2. Calm wind.
Friday
Mostly sunny, with a high near 30. Calm wind.
Friday Night
Partly cloudy, with a low around 0. Calm wind becoming southwest around 5 mph.
Saturday
Mostly sunny, with a high near 34. South southwest wind around 5 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 4. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 36. West southwest wind around 5 mph becoming south southeast in the morning.
Sunday Night
Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 37. Calm wind.
Monday Night
Partly cloudy, with a low around 3. Calm wind.
Tuesday
Mostly sunny, with a high near 38. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Alamosa CO
 37.43°N 105.87°W (Elev. 7497 ft)
2:06 am MST Dec 3, 2025
4am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database