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

10°F

-12°C

Humidity 60%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Wind Chill1°F (-17°C)
Last update 23 Jan 03:15 PM MST
Extended Forecast for

16 Miles W Gardiner MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 15. Wind chill values as low as -5. North wind around 9 mph.

    High: 15 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -11. North wind around 5 mph becoming calm  in the evening.

    Low: -11 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around -3. Wind chill values as low as -15. West northwest wind around 6 mph.  New snow accumulation of less than one inch possible.

    Low: -3 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 11. West northwest wind 6 to 8 mph.

    High: 11 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2. South southwest wind around 8 mph.

    Low: -2 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 18. South southwest wind 8 to 10 mph.

    High: 18 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 15. Wind chill values as low as -5. North wind around 9 mph.
Tonight
Mostly clear, with a low around -11. North wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Calm wind becoming northwest 5 to 8 mph in the morning.
Saturday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around -3. Wind chill values as low as -15. West northwest wind around 6 mph. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 11. West northwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around -2. South southwest wind around 8 mph.
Monday
Mostly sunny, with a high near 18. South southwest wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 6.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Gardiner MT
 45.06°N 111.04°W (Elev. 8474 ft)
2:47 pm MST Jan 23, 2026
3pm MST Jan 23, 2026-6pm MST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database