Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair

25°F

-4°C

Humidity 40%
Wind Speed W 5 mph
Barometer 30.09 in (1021.6 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 1 Dec 6:52 pm MST
Extended Forecast for

Alamosa CO

  • Tonight

    Tonight: Mostly clear, with a low around 5. North wind around 5 mph becoming south southeast after midnight.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Wind chill values between zero and 10. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11. North northwest wind around 5 mph becoming south southeast in the evening.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am.  Mostly cloudy, with a high near 35. East wind 5 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around 9. East northeast wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 60%. 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 30. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3. Southeast wind around 5 mph becoming west in the evening.

    Low: 3 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. Northwest wind around 5 mph becoming east southeast in the morning.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4. South wind around 5 mph.

    Low: 4 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 5. North wind around 5 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 39. Wind chill values between zero and 10. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 11. North northwest wind around 5 mph becoming south southeast in the evening.
Wednesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 35. East wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 9. East northeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 30. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 3. Southeast wind around 5 mph becoming west in the evening.
Friday
Mostly sunny, with a high near 31. Northwest wind around 5 mph becoming east southeast in the morning.
Friday Night
Mostly clear, with a low around 4. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 38. Southwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 8. West wind around 5 mph becoming south in the evening.
Sunday
Mostly sunny, with a high near 37. North northwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 7. Northeast wind around 5 mph becoming southwest in the evening.
Monday
Mostly sunny, with a high near 37. West wind around 5 mph becoming north in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 7497 ft)
4:36 pm MST Dec 1, 2025
7pm MST Dec 1, 2025-6pm MST Dec 8, 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