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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

38°F

3°C

Humidity 70%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 02 Jan 06:15 PM MST
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 26. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of snow showers before 7am, then a chance of snow showers after 3pm. Mostly cloudy, with a high near 31. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Cloudy, with a low around 26. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers likely, mainly after 11am. Cloudy, with a high near 27. Breezy, with a south southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers. Cloudy, with a low around 24. South southwest wind 10 to 14 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 25. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 25 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 19. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 21.

    High: 21 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Tonight
A 30 percent chance of snow showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 26. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
A slight chance of snow showers before 7am, then a chance of snow showers after 3pm. Mostly cloudy, with a high near 31. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Snow showers likely, mainly after 11pm. Cloudy, with a low around 26. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow showers likely, mainly after 11am. Cloudy, with a high near 27. Breezy, with a south southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow showers. Cloudy, with a low around 24. South southwest wind 10 to 14 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.
Monday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 25. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 19. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 21.
Tuesday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 19. Breezy.
Wednesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 21. Breezy. Chance of precipitation is 60%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 7.
Thursday
A chance of snow showers. Partly sunny, with a high near 15.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 0.
Friday
A slight chance of snow showers. Partly sunny, with a high near 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Mount Holmes WY
 44.83°N 110.94°W (Elev. 8369 ft)
Last Update:
6:32 pm MST Jan 2, 2026
Forecast Valid:
6pm MST Jan 2, 2026-6pm MST Jan 9, 2026
 
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