Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Slow Moving Cold Front Moves into the Central U.S.

A slow moving cold front continues to move eastward across the U.S. this weekend. Behind the cold front is unseasonably cold weather and high elevation snows; ahead of the front, temperatures are more typical of mid-summer. The front separating these extremes will help focus heavy rain, with the potential for flash flooding extending from eastern New Mexico and western Texas to the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Overcast

6°C

42°F

Humidity 92%
Wind Speed S 7 km/h
Barometer 1009.2 mb (29.98 in)
Dewpoint 4°C (40°F)
Visibility 16 km
Wind Chill4°C (39°F)
Last update 24 Sep 3:52 am MDT
Extended Forecast for

Alamosa CO

  • Overnight

    Overnight: A 20 percent chance of showers before 5am.  Mostly cloudy, with a low around 3. South wind around 10 km/h.

    Slight Chance
    Showers

    Low: 3 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 17. South southwest wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.

    Mostly Sunny

    High: 17 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 0. Southwest wind 20 to 25 km/h becoming light and variable  in the evening.

    Mostly Clear

    Low: 0 °C

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 17. Light and variable wind becoming south 15 to 20 km/h in the afternoon.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 17 °C

  • Monday
    Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 0. South wind 15 to 20 km/h becoming south 5 to 10 km/h after midnight.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 0 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 18. South southwest wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon.

    Mostly Sunny

    High: 18 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 2. South southeast wind 5 to 15 km/h becoming west northwest after midnight.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 2 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 18. West wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 18 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 3. South southeast wind 15 to 20 km/h becoming south 5 to 10 km/h after midnight.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 3 °C

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 3. South wind around 10 km/h.
Sunday
Mostly sunny, with a high near 17. South southwest wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.
Sunday Night
Mostly clear, with a low around 0. Southwest wind 20 to 25 km/h becoming light and variable in the evening.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 17. Light and variable wind becoming south 15 to 20 km/h in the afternoon. Chance of precipitation is 20%.
Monday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 0. South wind 15 to 20 km/h becoming south 5 to 10 km/h after midnight.
Tuesday
Mostly sunny, with a high near 18. South southwest wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 2. South southeast wind 5 to 15 km/h becoming west northwest after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 18. West wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 3. South southeast wind 15 to 20 km/h becoming south 5 to 10 km/h after midnight.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 18. Southwest wind 5 to 10 km/h becoming east southeast 10 to 15 km/h in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 3. East wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 18. South wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon.
Friday Night
Mostly cloudy, with a low around 3. South southeast wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight.
Saturday
Partly sunny, with a high near 19. South wind 10 to 15 km/h.
Click Map For Forecast
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 2285 m)
2:01 am MDT Sep 24, 2017
4am MDT Sep 24, 2017-6pm MDT Sep 30, 2017
 
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