Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. 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.

27°F

-3°C

Humidity	45%
Wind Speed	NW 2 MPH
Barometer	NA
Dewpoint	8°F (-13°C)
Visibility	NA
Last update	15 Mar 06:15 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

Tonight
Low: 19 °F
Mostly Cloudy
then
Scattered
Snow Showers
and Patchy
Fog
Monday
High: 39 °F
Snow Showers
Likely
Monday Night
Low: 32 °F
Scattered
Rain/Snow
then Isolated
Rain/Snow
Tuesday
High: 47 °F
Partly Sunny
Tuesday Night
Low: 33 °F
Mostly Cloudy
Wednesday
High: 53 °F
Mostly Sunny
Wednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 55 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy

Detailed Forecast

Tonight

Scattered snow showers, mainly after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 19. South southwest wind 6 to 9 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

Monday

Snow showers likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 39. South southwest wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Monday Night

Scattered snow showers, mixing with rain after 9pm, then gradually ending. Snow level rising to 8000 feet after midnight. Mostly cloudy, with a low around 32. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tuesday

Partly sunny, with a high near 47. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 24 mph.

Wednesday

Mostly sunny, with a high near 53. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 24 mph.

Thursday

Mostly sunny, with a high near 55.

Thursday Night

Partly cloudy, with a low around 34.