Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

33°F

1°C

Humidity	100%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	11 Oct 07:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Today
High: 52 °F
Showers
Tonight
Low: 33 °F
Rain/Snow
Columbus Day
High: 51 °F
Chance
Rain/Snow
Monday Night
Low: 34 °F
Mostly Cloudy
Tuesday
High: 52 °F
Partly Sunny
Tuesday Night
Low: 31 °F
Partly Cloudy
Wednesday
High: 55 °F
Mostly Sunny
Wednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 55 °F
Sunny

Detailed Forecast

Today

Showers. High near 52. North northwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tonight

Rain and snow showers, mainly before 5am. Low around 33. Northwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Columbus Day

A chance of rain and snow showers before 3pm, then a slight chance of rain showers after 4pm. Snow level 6600 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 51. Northwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

Monday Night

Mostly cloudy, with a low around 34. South southwest wind around 5 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 52. Calm wind becoming north northwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 31. North northwest wind 5 to 8 mph becoming light and variable after midnight.

Wednesday

Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 32.

Thursday

Sunny, with a high near 55.