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

6°F

-14°C

Humidity 68%
Wind Speed N 1 MPH
Barometer NA
Dewpoint -2°F (-19°C)
Visibility NA
Last update 23 Jan 05:15 PM MST
Extended Forecast for

17 Miles W Gardiner MT

  • Tonight

    Tonight: Mostly clear, with a low around -9. Wind chill values as low as -20. North northeast wind 7 to 13 mph becoming west after midnight.

    Low: -9 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds and cold, with a high near 6. Wind chill values as low as -20. Southwest wind 7 to 11 mph becoming northwest in the afternoon.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around -2. Wind chill values as low as -20. Northwest wind 10 to 13 mph becoming west southwest in the evening.  New snow accumulation of less than one inch possible.

    Low: -2 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 9. Wind chill values as low as -20. West northwest wind around 11 mph.

    High: 9 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 0. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 24 mph.

    Low: 0 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 17. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 17 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Breezy, with a south southwest wind around 16 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around -9. Wind chill values as low as -20. North northeast wind 7 to 13 mph becoming west after midnight.
Saturday
Increasing clouds and cold, with a high near 6. Wind chill values as low as -20. Southwest wind 7 to 11 mph becoming northwest in the afternoon.
Saturday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around -2. Wind chill values as low as -20. Northwest wind 10 to 13 mph becoming west southwest in the evening. New snow accumulation of less than one inch possible.
Sunday
Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 9. Wind chill values as low as -20. West northwest wind around 11 mph.
Sunday Night
Mostly clear, with a low around 0. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 17. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 8. Breezy, with a south southwest wind around 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles W Gardiner MT
 45.08°N 111.07°W (Elev. 9426 ft)
5:32 pm MST Jan 23, 2026
6pm MST Jan 23, 2026-6pm MST Jan 30, 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