Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

NA

23°F

-5°C

Humidity 80%
Wind Speed W 12 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 27 Dec 08:56 AM MST
Extended Forecast for

West Thumb WY

Winter Weather Advisory December 27, 10:03am until December 27, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 10:03am until December 27, 05:00pm

    NOW until 5:00pm Sat

    Winter Weather Advisory

  • Today

    High: 24 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around -7. West northwest wind around 5 mph becoming calm  in the evening.

    Low: -7 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 16. Wind chill values as low as -5. Calm wind becoming west southwest around 5 mph.

    High: 16 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4. Calm wind.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 25. Light southwest wind.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. Calm wind.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Today
Snow showers, mainly before 1pm. The snow could be heavy at times. Some thunder is also possible. Temperature falling to around 13 by 5pm. Wind chill values as low as zero. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around -7. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 16. Wind chill values as low as -5. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around -4. Calm wind.
Monday
Sunny, with a high near 25. Light southwest wind.
Monday Night
Partly cloudy, with a low around 5. Calm wind.
Tuesday
Partly sunny, with a high near 29. Calm wind.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 9.
New Year's Day
Mostly sunny, with a high near 35.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 15.
Friday
A chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
West Thumb WY
 44.41°N 110.57°W (Elev. 7776 ft)
8:48 am MST Dec 27, 2025
10am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database