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 >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

NA

2°F

-17°C

Humidity 100%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Last update 27 Dec 11:15 PM MST
Extended Forecast for

5 Miles WNW West Thumb WY

  • Overnight

    Overnight: Mostly clear, with a low around -10. Wind chill values as low as -25. West wind around 6 mph.

    Low: -10 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 12. Wind chill values as low as -25. West wind 3 to 7 mph.

    High: 12 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7. Calm wind.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 22. Wind chill values as low as -5. Calm wind.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Calm wind.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -10. Wind chill values as low as -25. West wind around 6 mph.
Sunday
Sunny, with a high near 12. Wind chill values as low as -25. West wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around -7. Calm wind.
Monday
Sunny, with a high near 22. Wind chill values as low as -5. Calm wind.
Monday Night
Partly cloudy, with a low around 3. Calm wind.
Tuesday
Mostly sunny, with a high near 28. Calm wind.
Tuesday Night
Partly cloudy, with a low around 5. Calm wind.
Wednesday
Sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 9.
New Year's Day
Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 13.
Saturday
A chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW West Thumb WY
 44.45°N 110.66°W (Elev. 8399 ft)
11:31 pm MST Dec 27, 2025
12am MST Dec 28, 2025-6pm MST Jan 3, 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