Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

27°F

-3°C

Humidity	99%
Wind Speed	NNW 19 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Wind Chill	14°F (-10°C)
Last update	14 Mar 05:15 PM MDT

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Winter Weather Advisory March 14, 06:13pm until March 14, 11:00pm

Click here for hazard details and duration

...

Winter Weather Advisory March 14, 06:13pm until March 14, 11:00pm
NOW until 11:00pm Sat
Winter Weather Advisory
Tonight
Low: 6 °F
Snow Showers
Likely and
Windy then
Isolated Snow
Showers
Sunday
High: 25 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Isolated Snow
Showers then
Snow Showers
Likely
Monday
High: 36 °F
Snow Showers
Monday Night
Low: 31 °F
Chance
Rain/Snow
then Slight
Chance
Rain/Snow
Tuesday
High: 48 °F
Partly Sunny
Tuesday Night
Low: 32 °F
Mostly Cloudy
Wednesday
High: 53 °F
Mostly Sunny

Detailed Forecast

Tonight

Snow showers likely, mainly before 2am. Partly cloudy, with a low around 6. Wind chill values as low as -5. Windy, with a north northwest wind 18 to 28 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 25. Wind chill values as low as -5. West wind 6 to 9 mph, with gusts as high as 26 mph.

Sunday Night

Snow showers likely, mainly after 5am. Increasing clouds, with a low around 18. Southwest wind 5 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Monday

Snow showers. High near 36. Southwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Monday Night

A chance of snow showers before 9pm, then a chance of rain and snow showers. Snow level 7500 feet. Mostly cloudy, with a low around 31. Southwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tuesday

Partly sunny, with a high near 48. Southwest wind around 14 mph, with gusts as high as 29 mph.

Tuesday Night

Mostly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 25 mph.

Wednesday

Mostly sunny, with a high near 53.

Wednesday Night

Partly cloudy, with a low around 33.

Thursday

Mostly sunny, with a high near 55.

Thursday Night

Partly cloudy, with a low around 34.