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 elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. 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

13°F

-11°C

Humidity 66%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Wind Chill5°F (-15°C)
Last update 20 Feb 09:15 PM MST
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Wind chill values as low as -5. South southwest wind 9 to 11 mph.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Wind chill values as low as -5. South southwest wind 10 to 13 mph.

    High: 24 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10. Wind chill values as low as zero. South wind 7 to 9 mph.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34. Wind chill values as low as zero. South southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 31 mph.

    High: 36 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 25. Breezy, with a south southwest wind around 17 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: A 40 percent chance of snow showers.  Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 7. Wind chill values as low as -5. South southwest wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 24. Wind chill values as low as -5. South southwest wind 10 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 10. Wind chill values as low as zero. South wind 7 to 9 mph.
Sunday
Sunny, with a high near 34. Wind chill values as low as zero. South southwest wind around 10 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 15. South wind around 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 36. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 31 mph.
Monday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 25. Breezy, with a south southwest wind around 17 mph, with gusts as high as 32 mph.
Tuesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 32. Breezy.
Tuesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 20. Breezy.
Wednesday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 28. Breezy.
Wednesday Night
Partly cloudy, with a low around 15. Breezy.
Thursday
Mostly sunny, with a high near 30. Breezy.
Thursday Night
Partly cloudy, with a low around 21. Breezy.
Friday
A chance of snow showers. Partly sunny, with a high near 32. Breezy.
Basemap Options
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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)
8:31 pm MST Feb 20, 2026
9pm MST Feb 20, 2026-6pm MST Feb 27, 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