Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

2°F

-17°C

Humidity 70%
Wind Speed W 0 MPH
Barometer NA
Dewpoint -6°F (-21°C)
Visibility NA
Last update 20 Feb 04:15 AM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: A 20 percent chance of snow showers after 3pm.  Mostly sunny, with a high near 26. Wind chill values as low as -10. South southeast wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 26 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Wind chill values as low as zero. Southwest wind 6 to 8 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Wind chill values as low as zero. South southwest wind 7 to 9 mph.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. South southeast wind around 7 mph.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 42. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. South wind around 9 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. South wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely before 11am, then rain and snow showers likely.  Mostly cloudy, with a high near 43. Breezy.  Chance of precipitation is 70%.

    High: 43 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Today
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 26. Wind chill values as low as -10. South southeast wind 5 to 9 mph becoming west southwest in the afternoon.
Tonight
Partly cloudy, with a low around 9. Wind chill values as low as zero. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 32. Wind chill values as low as zero. South southwest wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 15. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 42. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 21. South wind around 9 mph.
Monday
Mostly sunny, with a high near 45. South wind 7 to 13 mph, with gusts as high as 30 mph.
Monday Night
A 30 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 31.
Tuesday
Snow showers likely before 11am, then rain and snow showers likely. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 70%.
Tuesday Night
Rain and snow showers likely before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 26. Breezy. Chance of precipitation is 60%.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 41. Breezy.
Wednesday Night
A chance of snow showers. Partly cloudy, with a low around 23.
Thursday
A chance of snow showers. Partly sunny, with a high near 41. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
4:32 am MST Feb 20, 2026
4am MST Feb 20, 2026-6pm MST Feb 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database