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.

31°F

-1°C

Humidity	98%
Wind Speed	NNW 11 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	22°F (-6°C)
Last update	14 Mar 04:15 PM 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, 05:27pm until March 14, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory March 14, 05:27pm until March 14, 11:00pm
NOW until 11:00pm Sat
Winter Weather Advisory
This Afternoon
High: 33 °F
Scattered
Snow Showers
and Breezy
Tonight
Low: 13 °F
Snow Showers
Likely and
Blustery then
Isolated Snow
Showers
Sunday
High: 31 °F
Mostly Sunny
Sunday Night
Low: 24 °F
Isolated Snow
Showers then
Snow Showers
Likely
Monday
High: 45 °F
Snow Showers
Likely then
Rain/Snow
Likely
Monday Night
Low: 37 °F
Chance
Showers then
Slight Chance
Showers
Tuesday
High: 57 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Scattered snow showers. Some thunder is also possible. Partly sunny, with a steady temperature around 33. Breezy, with a northwest wind around 24 mph, with gusts as high as 47 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 13. Blustery, with a northwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 31. Northwest wind 6 to 8 mph, with gusts as high as 25 mph.

Sunday Night

Snow showers likely, mainly after 5am. Increasing clouds, with a low around 24. Northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

Snow showers likely before 3pm, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a high near 45. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Monday Night

A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

Tuesday

Partly sunny, with a high near 57. Southwest wind 9 to 11 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly cloudy, with a low around 38.

Wednesday

Mostly sunny, with a high near 63.

Wednesday Night

Partly cloudy, with a low around 39.

Thursday

Mostly sunny, with a high near 64.

Thursday Night

Partly cloudy, with a low around 40.