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.

41°F

5°C

Humidity	60%
Wind Speed	S 11 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	13 Mar 10:15 AM 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 Storm Watch March 14, 06:00am until March 14, 11:00pm

Click here for hazard details and duration

Winter Storm Watch

Today
High: 41 °F
Rain/Snow and
Patchy
Blowing Snow
Tonight
Low: 31 °F
Rain/Snow and
Patchy
Blowing Snow
Saturday
High: 36 °F
Snow Showers
and Breezy
Saturday Night
Low: 7 °F
Snow Showers
and Blustery
then Chance
Snow Showers
Sunday
High: 25 °F
Slight Chance
Snow Showers
Sunday Night
Low: 17 °F
Chance Snow
Showers
Monday
High: 37 °F
Snow Showers
Likely
Monday Night
Low: 31 °F
Chance
Rain/Snow
Tuesday
High: 46 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers before 3pm, then rain and snow showers likely. Patchy blowing snow before noon. High near 41. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

Tonight

A chance of rain and snow showers before 8pm, then snow showers. Patchy blowing snow after 5am. Low around 31. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Snow showers. Some thunder is also possible. High near 36. Breezy, with a southwest wind 18 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday Night

Snow showers, mainly before midnight. Low around 7. Wind chill values as low as -5. Blustery, with a north northwest wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Sunday

A 20 percent chance of snow showers. Partly sunny, with a high near 25. West northwest wind 7 to 13 mph, with gusts as high as 25 mph.

Sunday Night

A 40 percent chance of snow showers. Mostly cloudy, with a low around 17. South southwest wind 9 to 13 mph, with gusts as high as 25 mph.

Monday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 37. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Monday Night

A chance of rain and snow showers, mainly before midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

Tuesday

Mostly cloudy, with a high near 46.

Tuesday Night

Mostly cloudy, with a low around 31.

Wednesday

Partly sunny, with a high near 52.

Wednesday Night

Mostly cloudy, with a low around 34.

Thursday

Mostly sunny, with a high near 55.