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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

16°F

-9°C

Humidity 74%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 18 Jan 05:15 AM MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Mostly sunny, with a high near 32. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Light and variable wind.

    Low: 12 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 32. Calm wind becoming south around 5 mph in the afternoon.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. South southwest wind around 6 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South wind around 6 mph becoming calm in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. South southwest wind 3 to 5 mph.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 32. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 12. Light and variable wind.
M.L.King Day
Sunny, with a high near 32. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 17. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 33. South wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 14. South southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 22.
Friday
A chance of snow showers. Partly sunny, with a high near 32.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 14.
Saturday
A chance of snow showers. Partly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
5:01 am MST Jan 18, 2026
Forecast Valid:
5am MST Jan 18, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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