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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

32°F

0°C

Humidity 56%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 13 Jan 07:15 AM MST
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Today

    Today: Mostly sunny, with a high near 36. South southwest wind 6 to 8 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. South southwest wind 3 to 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 37. South wind 3 to 5 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. South southwest wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 36. South southwest wind around 6 mph becoming west in the afternoon.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 9. West wind around 6 mph becoming calm after midnight.

    Low: 9 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 31. Light and variable wind.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 36. South southwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 18. South southwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 37. South wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 13. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 36. South southwest wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 9. West wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 31. Light and variable wind.
Friday Night
Mostly clear, with a low around 9.
Saturday
Sunny, with a high near 33.
Saturday Night
Clear, with a low around 12.
Sunday
Sunny, with a high near 35.
Sunday Night
Clear, with a low around 11.
M.L.King Day
Sunny, with a high near 34.
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Forecast Area
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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:
6:47 am MST Jan 13, 2026
Forecast Valid:
7am MST Jan 13, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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