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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

23°F

-5°C

Humidity 51%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 28 Jan 06:15 AM MST
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Today

    Today: A 30 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 28. Wind chill values as low as zero. South wind 6 to 10 mph.

    High: 28 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, with a low around 12. South southwest wind around 8 mph.

    Low: 12 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26. South southwest wind 6 to 8 mph.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. South southwest wind around 6 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30. Southwest wind 6 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South southwest wind around 8 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Southwest wind 6 to 8 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 28. Wind chill values as low as zero. South wind 6 to 10 mph.
Tonight
A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, with a low around 12. South southwest wind around 8 mph.
Thursday
Partly sunny, with a high near 26. South southwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 14. South southwest wind around 6 mph.
Friday
Partly sunny, with a high near 30. Southwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 20. South southwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 34. Southwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A slight chance of snow showers. Partly sunny, with a high near 34.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 17.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
5:47 am MST Jan 28, 2026
Forecast Valid:
6am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation