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

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

NA

36°F

2°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 24 Dec 10:56 PM MST
Extended Forecast for

Lake WY

  • Tonight

    Tonight: Rain and snow showers. Some thunder is also possible. Snow level 8600 feet. Steady temperature around 36. Breezy, with a south wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Snow showers, possibly mixed with rain, becoming all snow after 9am. Some thunder is also possible. High near 36. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers. Some thunder is also possible. Low around 27. South southwest wind 5 to 13 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow Showers

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 32. Southwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely. Mostly cloudy, with a low around 15. Southwest wind around 9 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers. Some thunder is also possible. High near 24. West southwest wind around 8 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    High: 24 °F

    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -4. West wind around 5 mph becoming calm in the evening.

    Low: -4 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and snow showers. Some thunder is also possible. Snow level 8600 feet. Steady temperature around 36. Breezy, with a south wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Christmas Day
Snow showers, possibly mixed with rain, becoming all snow after 9am. Some thunder is also possible. High near 36. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Snow showers. Some thunder is also possible. Low around 27. South southwest wind 5 to 13 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers. Some thunder is also possible. High near 32. Southwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 15. Southwest wind around 9 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow showers. Some thunder is also possible. High near 24. West southwest wind around 8 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -4. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 18.
Sunday Night
Mostly clear, with a low around -2.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake WY
 44.55°N 110.41°W (Elev. 7910 ft)
Last Update:
10:47 pm MST Dec 24, 2025
Forecast Valid:
11pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation