Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper 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

27°F

-3°C

Humidity 47%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Last update 22 Jan 01:15 PM MST
Extended Forecast for

17 Miles W Gardiner MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 18. West wind around 6 mph.

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 0. Wind chill values as low as -10. North wind around 7 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 5. Wind chill values as low as -20. North wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 5 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -7. Wind chill values as low as -25. North wind 7 to 10 mph becoming west after midnight.

    Low: -7 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny and cold, with a high near 6. West southwest wind 7 to 11 mph becoming northwest in the morning.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around -4. West wind around 11 mph.

    Low: -4 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Sunny, with a high near 13. South southwest wind 10 to 13 mph.

    High: 13 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. Breezy.

    Low: 3 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 18. Breezy.

    High: 18 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 18. West wind around 6 mph.
Tonight
Mostly cloudy, with a low around 0. Wind chill values as low as -10. North wind around 7 mph.
Friday
Partly sunny and cold, with a high near 5. Wind chill values as low as -20. North wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around -7. Wind chill values as low as -25. North wind 7 to 10 mph becoming west after midnight.
Saturday
Partly sunny and cold, with a high near 6. West southwest wind 7 to 11 mph becoming northwest in the morning.
Saturday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around -4. West wind around 11 mph.
Sunday
Sunny, with a high near 13. South southwest wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 3. Breezy.
Monday
Mostly sunny, with a high near 18. Breezy.
Monday Night
Mostly cloudy, with a low around 9. Breezy.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles W Gardiner MT
 45.08°N 111.07°W (Elev. 9426 ft)
12:33 pm MST Jan 22, 2026
1pm MST Jan 22, 2026-6pm MST Jan 28, 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