Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

18°F

-8°C

Humidity	50%
Wind Speed	ESE 3 MPH
Barometer	NA
Dewpoint	2°F (-17°C)
Visibility	NA
Last update	11 Mar 02:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

Winter Storm Watch March 11, 06:00pm until March 14, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

Overnight
Low: 12 °F
Mostly Clear
Wednesday
High: 33 °F
Mostly Sunny
then Partly
Sunny and
Breezy
Wednesday Night
Low: 33 °F
Chance Snow
Showers and
Breezy
Thursday
High: 47 °F
Rain/Snow
Likely and
Windy
Thursday Night
Low: 38 °F
Rain/Snow
Likely and
Breezy
Friday
High: 48 °F
Rain/Snow and
Breezy
Friday Night
Low: 39 °F
Showers
Likely and
Breezy
Saturday
High: 46 °F
Rain/Snow and
Breezy
Saturday Night
Low: 19 °F
Snow Showers
Likely and
Blustery then
Chance Snow
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 12. South wind around 6 mph.

Wednesday

Mostly sunny, with a high near 33. Breezy, with a southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

Wednesday Night

A 50 percent chance of snow showers, mainly after 9pm. Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

Thursday

A chance of snow showers before noon, then rain and snow showers likely. Snow level rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 47. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

A chance of rain showers before 9pm, then rain and snow showers likely. Snow level 6100 feet. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow showers, becoming all rain after 3pm. Snow level 6200 feet rising to 7000 feet in the afternoon. High near 48. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

Saturday

Rain and snow showers. Some thunder is also possible. Snow level 6900 feet lowering to 5900 feet in the afternoon . High near 46. Breezy. Chance of precipitation is 100%.

Saturday Night

Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.

Sunday

A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 36.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 28.

Monday

A chance of rain and snow showers. Mostly cloudy, with a high near 48.

Monday Night

A slight chance of showers. Mostly cloudy, with a low around 38.

Tuesday

Partly sunny, with a high near 58.