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

24°F

-4°C

Humidity 60%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 18 Jan 12:15 AM MST
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Overnight

    Overnight: Mostly clear, with a low around 10. South wind 3 to 5 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Calm wind becoming north around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 4. Light and variable wind.

    Low: 4 °F

    Patchy Fog

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 27. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. South southwest wind around 9 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. South southwest wind 5 to 7 mph becoming west in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. Southwest wind 5 to 7 mph.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 26. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 4. Light and variable wind.
M.L.King Day
Sunny, with a high near 27. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 9. South southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 25. South southwest wind 5 to 7 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 6. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 16.
Friday
A chance of snow showers. Mostly cloudy, with a high near 25.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 7.
Saturday
A chance of snow showers. Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
12:16 am MST Jan 18, 2026
Forecast Valid:
1am MST Jan 18, 2026-6pm MST Jan 24, 2026
 
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