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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

33°F

1°C

Humidity 53%
Wind Speed SSE 6 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 13 Jan 04:15 AM MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Mostly sunny, with a high near 44. South southwest wind 3 to 6 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 45. Light south southeast wind.

    High: 45 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. South wind around 6 mph.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Calm wind becoming west around 6 mph in the afternoon.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. West northwest wind around 5 mph becoming calm after midnight.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 44. South southwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 25. South wind around 6 mph.
Wednesday
Sunny, with a high near 45. Light south southeast wind.
Wednesday Night
Mostly clear, with a low around 20. South wind around 6 mph.
Thursday
Sunny, with a high near 44. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 16. West northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 39. Calm wind.
Friday Night
Mostly clear, with a low around 16.
Saturday
Sunny, with a high near 41.
Saturday Night
Clear, with a low around 18.
Sunday
Sunny, with a high near 43.
Sunday Night
Clear, with a low around 18.
M.L.King Day
Sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
4:02 am MST Jan 13, 2026
Forecast Valid:
4am MST Jan 13, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation