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

4°F

-16°C

Humidity 55%
Wind Speed SE 6 MPH
Barometer NA
Dewpoint -9°F (-23°C)
Visibility NA
Wind Chill-7°F (-22°C)
Last update 24 Jan 11:15 AM MST
Extended Forecast for

5 Miles ESE Mount Holmes WY

  • This Afternoon

    This Afternoon: A 20 percent chance of snow showers after 2pm.  Mostly cloudy, with a high near 13. Wind chill values as low as zero. West northwest wind around 10 mph.

    High: 13 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 4am.  Mostly cloudy, with a low around -3. Wind chill values as low as -10. West southwest wind 6 to 9 mph.  New snow accumulation of less than one inch possible.

    Low: -3 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 13. Wind chill values as low as -15. North northwest wind 6 to 9 mph.

    High: 13 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -6. Wind chill values as low as -20. South southwest wind 6 to 8 mph.

    Low: -6 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 20. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 20 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4. South southwest wind 6 to 8 mph.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. South wind around 7 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers after 2pm. Mostly cloudy, with a high near 13. Wind chill values as low as zero. West northwest wind around 10 mph.
Tonight
A 50 percent chance of snow showers, mainly before 4am. Mostly cloudy, with a low around -3. Wind chill values as low as -10. West southwest wind 6 to 9 mph. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 13. Wind chill values as low as -15. North northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around -6. Wind chill values as low as -20. South southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 20. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 4. South southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 25. South wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mount Holmes WY
 44.81°N 110.75°W (Elev. 7641 ft)
10:48 am MST Jan 24, 2026
12pm MST Jan 24, 2026-6pm MST Jan 30, 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