Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

28°F

-2°C

Humidity 68%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 15 Jan 02:15 AM MST
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: Mostly clear, with a low around 21. South wind around 6 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 41. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. Northwest wind around 10 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 31. Northwest wind around 7 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16. Northwest wind around 6 mph.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. Northwest wind around 5 mph becoming calm.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 16. South southwest wind 3 to 6 mph.

    Low: 16 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 21. South wind around 6 mph.
Thursday
Sunny, with a high near 41. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 17. Northwest wind around 10 mph.
Friday
Mostly sunny, with a high near 31. Northwest wind around 7 mph.
Friday Night
Mostly clear, with a low around 16. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 40. Northwest wind around 5 mph becoming calm.
Saturday Night
Clear, with a low around 16. South southwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 15.
M.L.King Day
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:31 am MST Jan 15, 2026
3am MST Jan 15, 2026-6pm MST Jan 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database