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

32°F

0°C

Humidity 88%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 02 Jan 04:15 AM MST
Extended Forecast for

16 Miles W Gardiner MT

  • Overnight

    Overnight: Snow showers likely. Patchy fog. Otherwise, cloudy, with a low around 23. South wind around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Snow showers likely, mainly before 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 30. Light south southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow Showers
    Likely and
    Patchy Fog
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly between 1am and 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 25. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Chance Snow
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. South wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 24. South wind around 11 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. South southwest wind 9 to 11 mph, with gusts as high as 28 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow showers likely. Patchy fog. Otherwise, cloudy, with a low around 23. South wind around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly before 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 30. Light south southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow showers, mainly between 1am and 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 25. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 30. South wind 10 to 14 mph, with gusts as high as 30 mph.
Saturday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 24. South wind around 11 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Sunday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. South southwest wind 9 to 11 mph, with gusts as high as 28 mph.
Monday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 17.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 23.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 18.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 22.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 11.
Thursday
A chance of snow showers. Partly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Gardiner MT
 45.06°N 111.04°W (Elev. 8474 ft)
Last Update:
2:31 am MST Jan 2, 2026
Forecast Valid:
4am MST Jan 2, 2026-6pm MST Jan 8, 2026
 
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