Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

-7°F

-22°C

Humidity	70%
Wind Speed	S 4 MPH
Barometer	NA
Dewpoint	-14°F (-26°C)
Visibility	NA
Wind Chill	-17°F (-27°C)
Last update	24 Jan 05:15 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WNW Mount Holmes WY

Today
High: 9 °F
Mostly Sunny
then Slight
Chance Snow
Showers
Tonight
Low: -3 °F
Chance Snow
Showers
Sunday
High: 10 °F
Cold
Sunday Night
Low: -4 °F
Mostly Clear
Monday
High: 15 °F
Mostly Sunny
Monday Night
Low: 4 °F
Mostly Cloudy
Tuesday
High: 21 °F
Mostly Sunny
Tuesday Night
Low: 4 °F
Mostly Clear
Wednesday
High: 23 °F
Mostly Sunny

Detailed Forecast

Today

A 20 percent chance of snow showers after 2pm. Partly sunny and cold, with a high near 9. Wind chill values as low as -20. Light north northwest wind becoming west northwest 5 to 10 mph in the morning.

Tonight

A 50 percent chance of snow showers, mainly before 4am. Mostly cloudy, with a low around -3. Wind chill values as low as -10. West southwest wind 6 to 8 mph becoming northwest after midnight. New snow accumulation of 1 to 2 inches possible.

Sunday

Partly sunny, then gradually becoming sunny and cold, with a high near 10. Wind chill values as low as -15. North northwest wind 6 to 8 mph.

Sunday Night

Mostly clear, with a low around -4. Wind chill values as low as -20. South southwest wind 6 to 8 mph.

Monday

Mostly sunny, with a high near 15. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

Monday Night

Mostly cloudy, with a low around 4. South southwest wind 6 to 9 mph.

Tuesday

Mostly sunny, with a high near 21. Southwest wind around 7 mph.

Tuesday Night

Mostly clear, with a low around 4.