Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

8°F

-13°C

Humidity 65%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Last update 24 Jan 01:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 17. Northwest wind 6 to 9 mph.

    High: 17 °F

    Mostly Cloudy

  • Tonight

    Tonight: Scattered snow showers.  Mostly cloudy, with a low around 8. Wind chill values as low as zero. Northwest wind 5 to 8 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Scattered
    Snow Showers

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. Northwest wind 3 to 6 mph.

    High: 21 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. Wind chill values as low as -5. South wind 5 to 8 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. South southwest wind 6 to 8 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. South wind around 7 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 17. Northwest wind 6 to 9 mph.
Tonight
Scattered snow showers. Mostly cloudy, with a low around 8. Wind chill values as low as zero. Northwest wind 5 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. Northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 4. Wind chill values as low as -5. South wind 5 to 8 mph.
Monday
Sunny, with a high near 30. South southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 14. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 35. South wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
1:48 pm MST Jan 24, 2026
2pm MST Jan 24, 2026-6pm MST Jan 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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