Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. 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 64%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 01 Feb 05:15 AM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: Partly sunny, with a high near 42. Southeast wind 8 to 11 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. West southwest wind around 6 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Southwest wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Southwest wind around 6 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Light and variable wind becoming south around 5 mph after midnight.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. South wind 3 to 5 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 42. Southeast wind 8 to 11 mph.
Tonight
Partly cloudy, with a low around 26. Southeast wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 41. West southwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 24. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 42. Southwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 22. Light and variable wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 45. South wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 50.
Thursday Night
Clear, with a low around 26.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
5:47 am MST Feb 1, 2026
6am MST Feb 1, 2026-6pm MST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database