Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. 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.

24°F

-4°C

Humidity	84%
Wind Speed	W 1 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	12 Feb 08:15 AM MST

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Today
High: 34 °F
Patchy Fog
Tonight
Low: 20 °F
Partly Cloudy
Friday
High: 32 °F
Partly Sunny
Friday Night
Low: 20 °F
Mostly Cloudy
Saturday
High: 33 °F
Mostly Cloudy
Saturday Night
Low: 24 °F
Slight Chance
Snow Showers
Sunday
High: 36 °F
Chance Snow
Showers
Sunday Night
Low: 23 °F
Chance Snow
Showers
Washington's Birthday
High: 36 °F
Chance Snow
Showers

Detailed Forecast

Today

Patchy fog before 3pm. Otherwise, sunny, with a high near 34. South southwest wind 5 to 9 mph.

Tonight

Partly cloudy, with a low around 20. South southwest wind around 6 mph.

Friday

Partly sunny, with a high near 32. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

Friday Night

Mostly cloudy, with a low around 20. South wind around 9 mph.

Saturday

Mostly cloudy, with a high near 33. South southwest wind 10 to 13 mph, with gusts as high as 26 mph.

Saturday Night

A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. South southwest wind around 11 mph, with gusts as high as 23 mph.

Sunday

A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 36. South southwest wind 10 to 14 mph, with gusts as high as 29 mph.

Sunday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 23.

Washington's Birthday

A 50 percent chance of snow showers. Partly sunny, with a high near 36.

Monday Night

Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

Tuesday

Snow showers. Mostly cloudy, with a high near 31. Breezy.

Tuesday Night

A chance of snow showers. Mostly cloudy, with a low around 17. Breezy.

Wednesday

Snow showers likely. Mostly cloudy, with a high near 26.