National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

COTTONWOOD BASIN (CMEC2)

Lat: 38.57306°NLon: 108.27778°WElev: 7220.0ft.

NA

47°F

8°C

Humidity 65%
Wind Speed SW 14 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 25 Dec 07:48 PM MST
Extended Forecast for

18 Miles NNE Nucla CO

  • Tonight

    Tonight: A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Southwest wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A 20 percent chance of snow showers. Partly sunny, with a high near 43. South southwest wind around 15 mph, with gusts as high as 40 mph.

    High: 43 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 31. South southwest wind around 15 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers. Low around 18. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 18 °F

    Snow Showers

  • Sunday

    Sunday: Snow showers likely, mainly before 11am. Partly sunny, with a high near 24. Chance of precipitation is 60%.

    High: 24 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Southwest wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 43. South southwest wind around 15 mph, with gusts as high as 40 mph.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 31. South southwest wind around 15 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.
Saturday
Snow showers. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow showers. Low around 18. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Snow showers likely, mainly before 11am. Partly sunny, with a high near 24. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 9.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Mostly clear, with a low around 24.
New Year's Day
A chance of snow showers. Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNE Nucla CO
 38.5°N 108.4°W (Elev. 8392 ft)
Last Update:
8:47 pm MST Dec 25, 2025
Forecast Valid:
8pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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