Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

46°F

8°C

Humidity	38%
Wind Speed	SW 5 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	14 Mar 01:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Winter Weather Advisory March 14, 06:00am until March 14, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 42 °F
Chance
Rain/Snow
Saturday
High: 41 °F⇓
Rain/Snow and
Breezy
Saturday Night
Low: 12 °F
Chance Snow
Showers and
Blustery
Sunday
High: 32 °F
Mostly Sunny
Sunday Night
Low: 22 °F
Mostly Cloudy
then Chance
Snow Showers
Monday
High: 46 °F
Chance Snow
Showers then
Chance
Rain/Snow
Monday Night
Low: 37 °F
Chance
Showers
Tuesday
High: 58 °F
Partly Sunny
Tuesday Night
Low: 39 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of rain and snow showers. Snow level 6100 feet. Mostly cloudy, with a steady temperature around 42. South southeast wind 6 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday

Snow showers, possibly mixed with rain, becoming all snow after 4pm. Some thunder is also possible. Snow level 6700 feet lowering to 5700 feet in the afternoon . Temperature rising to near 41 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a southwest wind 14 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday Night

A 50 percent chance of snow showers, mainly before 1am. Partly cloudy, with a low around 12. Blustery, with a northwest wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 39 mph. New snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 32. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.

Sunday Night

A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 22. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.

Monday

A chance of snow showers before 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. South southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Monday Night

A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.

Tuesday

Partly sunny, with a high near 58.

Tuesday Night

Mostly cloudy, with a low around 39.

Wednesday

Mostly sunny, with a high near 62.

Wednesday Night

Partly cloudy, with a low around 40.

Thursday

Mostly sunny, with a high near 65.

Thursday Night

Partly cloudy, with a low around 41.