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

Storm Peak Laboratory (STORM)

Lat: 40.455111°NLon: 106.74428°WElev: 10531.0ft.

NA

37°F

3°C

Humidity 71%
Wind Speed SSE 33 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 24 Dec 06:40 PM MST
Extended Forecast for

12 Miles NE Toponas CO

  • Tonight

    Tonight: A 20 percent chance of snow showers after 4am. Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Christmas Day

    Christmas Day: A 40 percent chance of snow showers, mainly after 7am. Partly sunny, with a high near 36. Southwest wind around 15 mph, with gusts as high as 40 mph.

    High: 36 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 35 mph.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 33. Southwest wind around 15 mph, with gusts as high as 40 mph.

    High: 33 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of snow showers, mainly after 11pm. Patchy blowing snow after 1am. Mostly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 40 mph.

    Low: 23 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow showers. High near 27. Chance of precipitation is 90%.

    High: 27 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 9. Chance of precipitation is 70%.

    Low: 9 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers, mainly before 11am. Mostly sunny, with a high near 15.

    High: 15 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow showers after 4am. Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Christmas Day
A 40 percent chance of snow showers, mainly after 7am. Partly sunny, with a high near 36. Southwest wind around 15 mph, with gusts as high as 40 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 35 mph.
Friday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 33. Southwest wind around 15 mph, with gusts as high as 40 mph.
Friday Night
A 50 percent chance of snow showers, mainly after 11pm. Patchy blowing snow after 1am. Mostly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 40 mph.
Saturday
Snow showers. High near 27. Chance of precipitation is 90%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 9. Chance of precipitation is 70%.
Sunday
A chance of snow showers, mainly before 11am. Mostly sunny, with a high near 15.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Toponas CO
 40.18°N 106.65°W (Elev. 10358 ft)
Last Update:
5:02 pm MST Dec 24, 2025
Forecast Valid:
6pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation