National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

39°F

4°C

Humidity 30%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 27 Jan 02:15 PM MST
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 25. Southwest wind around 9 mph.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Wind chill values as low as zero. South southwest wind 6 to 8 mph.

    Low: 8 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow showers after noon. Mostly cloudy, with a high near 21. Wind chill values as low as zero. South wind 5 to 9 mph. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. Southwest wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 20. Southwest wind 6 to 9 mph.

    High: 20 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Southwest wind around 7 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 23. South southwest wind 6 to 9 mph.

    High: 23 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Cloudy, with a low around 18.

    Low: 18 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 25. Southwest wind around 9 mph.
Tonight
Mostly cloudy, with a low around 8. Wind chill values as low as zero. South southwest wind 6 to 8 mph.
Wednesday
A 50 percent chance of snow showers after noon. Mostly cloudy, with a high near 21. Wind chill values as low as zero. South wind 5 to 9 mph. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly cloudy, with a low around 9. Southwest wind around 6 mph.
Thursday
Mostly cloudy, with a high near 20. Southwest wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 13. Southwest wind around 7 mph.
Friday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 23. South southwest wind 6 to 9 mph.
Friday Night
Cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A slight chance of snow showers. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Mount Holmes WY
 44.83°N 110.94°W (Elev. 8369 ft)
Last Update:
1:33 pm MST Jan 27, 2026
Forecast Valid:
2pm MST Jan 27, 2026-6pm MST Feb 2, 2026
 
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Additional Resources

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Chance of Precipitation