Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

13°F

-11°C

Humidity 80%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill6°F (-14°C)
Last update 19 Jan 06:15 AM MST
Extended Forecast for

2 Miles S Mammoth Hot Springs WY

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 30. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. South southwest wind around 9 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind 5 to 7 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 6. Wind chill values as low as zero. South southwest wind around 7 mph.

    Low: 6 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Light west northwest wind.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. South wind around 5 mph.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 30. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 14. South southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 27. West wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 6. Wind chill values as low as zero. South southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 25. Light west northwest wind.
Wednesday Night
Partly cloudy, with a low around 7. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 27. Light and variable wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Mostly sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 5.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mammoth Hot Springs WY
 44.94°N 110.71°W (Elev. 7172 ft)
5:01 am MST Jan 19, 2026
6am MST Jan 19, 2026-6pm MST Jan 25, 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