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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR DINOSAUR 2E (DNOC2)

Lat: 40.24472°NLon: 108.96778°WElev: 6046.0ft.

NA

49°F

9°C

Humidity 39%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 24 Dec 01:25 AM MST
Extended Forecast for

10 Miles NNW Dinosaur CO

Winter Weather Advisory December 24, 05:00pm until December 25, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 42. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely and
    Breezy

  • Christmas Day

    Christmas Day: Rain showers before 5pm, then rain likely, possibly mixed with snow showers. High near 43. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Breezy.
    Showers then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Breezy.
    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A slight chance of snow showers. Partly sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 42. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Christmas Day
Rain showers before 5pm, then rain likely, possibly mixed with snow showers. High near 43. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
A 50 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a high near 37. Breezy.
Friday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Dinosaur CO
 40.38°N 109.05°W (Elev. 8114 ft)
Last Update:
1:37 am MST Dec 24, 2025
Forecast Valid:
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation