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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

26°F

-3°C

Humidity 54%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 21 Jan 05:15 PM MST
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Southwest wind around 6 mph becoming calm after midnight.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Calm wind becoming west around 5 mph in the afternoon.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Wind chill values as low as -10. Light and variable wind.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 11. Wind chill values as low as -10. North wind 5 to 9 mph.

    High: 11 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around -10. North wind 3 to 7 mph.

    Low: -10 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 11. North wind 5 to 7 mph becoming west in the afternoon.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -4. Southwest wind around 7 mph.

    Low: -4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 1. Southwest wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 18. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 0. Wind chill values as low as -10. Light and variable wind.
Friday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 11. Wind chill values as low as -10. North wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around -10. North wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 11. North wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
Mostly cloudy, with a low around -4. Southwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 16.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 24.
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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:
5:01 pm MST Jan 21, 2026
Forecast Valid:
6pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
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