Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. 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.

38°F

3°C

Humidity	88%
Wind Speed	NNE 5 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	31 Mar 02:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

This Afternoon
High: 50 °F
Scattered
Showers
Tonight
Low: 39 °F
Rain/Snow
Likely
Wednesday
High: 52 °F
Scattered
Rain/Snow
then Showers
Likely
Wednesday Night
Low: 39 °F
Rain/Snow
Thursday
High: 45 °F
Rain/Snow
then Snow
Showers and
Breezy
Thursday Night
Low: 29 °F
Snow Showers
Friday
High: 43 °F
Snow Showers
Likely
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 53 °F
Sunny

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Mostly cloudy, with a high near 50. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

Tonight

Rain and snow showers likely before 3am, then rain showers likely between 3am and 4am, then scattered rain and snow showers after 4am. Some thunder is also possible. Snow level 8300 feet lowering to 6700 feet after midnight . Cloudy, with a low around 39. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday

Scattered rain and snow showers before 10am, then rain showers likely. Some thunder is also possible. Snow level 6500 feet rising to 7700 feet in the afternoon. Partly sunny, with a high near 52. Light and variable wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow showers, becoming all rain after 3am. Some thunder is also possible. Snow level 7600 feet lowering to 6700 feet after midnight . Low around 39. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

Rain and snow showers, becoming all snow after noon. Some thunder is also possible. High near 45. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Snow showers. Low around 29. West southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

Friday

Snow showers likely, mainly before noon. Mostly cloudy, with a high near 43. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Friday Night

Partly cloudy, with a low around 27.

Saturday

Sunny, with a high near 53.

Saturday Night

Clear, with a low around 31.

Sunday

Sunny, with a high near 58.

Sunday Night

Partly cloudy, with a low around 35.

Monday

Mostly sunny, with a high near 61.