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.

Overcast

32°F

0°C

Humidity 61%
Wind Speed N 14 mph
Barometer 29.88 in (1015.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Dec 5:52 pm MST
Extended Forecast for

Alamosa CO

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

    Tonight: A 30 percent chance of snow showers, mainly after 4am.  Mostly cloudy, with a low around 15. North wind around 5 mph becoming calm  in the evening.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after 10am.  Mostly cloudy, with a high near 33. East southeast wind 5 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around 9. East wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 31. West northwest wind around 5 mph becoming south southeast in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. South southeast wind around 5 mph becoming calm.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. Calm wind becoming east around 5 mph in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 2. South southwest wind around 5 mph.

    Low: 2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 36. South southwest wind around 5 mph becoming east southeast in the morning.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. North northeast wind around 5 mph becoming south southeast in the evening.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 15. North wind around 5 mph becoming calm in the evening.
Wednesday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 33. East southeast wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 9. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 31. West northwest wind around 5 mph becoming south southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 5. South southeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 28. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 2. South southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 36. South southwest wind around 5 mph becoming east southeast in the morning.
Saturday Night
Mostly clear, with a low around 7. North northeast wind around 5 mph becoming south southeast in the evening.
Sunday
Sunny, with a high near 39. South wind around 5 mph becoming east northeast in the morning.
Sunday Night
Mostly clear, with a low around 8. North northeast wind around 5 mph becoming west northwest in the evening.
Monday
Mostly sunny, with a high near 37. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 6. North northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 37. West wind around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
4:17 pm MST Dec 2, 2025
6pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database