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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Yellowstone Lake (KP60)

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

NA

29°F

-2°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 01 Jan 03:56 PM MST
Extended Forecast for

West Thumb WY

  • New Year's Day

    New Year's Day: A 50 percent chance of snow showers. Cloudy, with a high near 28. South southwest wind around 5 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers likely. Cloudy, with a low around 25. South southwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow Showers
    Likely

  • Friday

    Friday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 32. West southwest wind 8 to 10 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 23. Southwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 36. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 21. South southwest wind around 6 mph. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. High near 33. Southwest wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 33 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

    Low: 23 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers. High near 30. Chance of precipitation is 80%.

    High: 30 °F

    Snow Showers

Detailed Forecast

New Year's Day
A 50 percent chance of snow showers. Cloudy, with a high near 28. South southwest wind around 5 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely. Cloudy, with a low around 25. South southwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 32. West southwest wind 8 to 10 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 23. Southwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 36. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 21. South southwest wind around 6 mph. Chance of precipitation is 60%.
Sunday
Snow showers. High near 33. Southwest wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Monday
Snow showers. High near 30. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 17.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 26.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 15.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Thumb WY
 44.41°N 110.57°W (Elev. 7776 ft)
Last Update:
3:48 pm MST Jan 1, 2026
Forecast Valid:
4pm MST Jan 1, 2026-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation