Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

28°F

-2°C

Humidity 62%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 02 Feb 05:15 AM MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Sunny, with a high near 40. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South southwest wind 5 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. South wind around 6 mph becoming west northwest in the afternoon.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West northwest wind around 5 mph becoming calm.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. South wind 3 to 6 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. South wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. South southeast wind around 5 mph becoming calm  in the morning.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 40. South southwest wind 5 to 10 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 27. South southwest wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 42. South wind around 6 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 23. West northwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 45. South wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 25. South wind around 5 mph.
Thursday
Sunny, with a high near 50. South southeast wind around 5 mph becoming calm in the morning.
Thursday Night
Clear, with a low around 26.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
4:16 am MST Feb 2, 2026
5am MST Feb 2, 2026-6pm MST Feb 8, 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