Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

57°F

14°C

Humidity	34%
Wind Speed	SW 4 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	10 Oct 06:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Today
High: 62 °F
Showers and
Breezy
Tonight
Low: 40 °F
Showers
Sunday
High: 50 °F
Rain/Snow
then Showers
Sunday Night
Low: 34 °F
Rain/Snow
Columbus Day
High: 51 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Monday Night
Low: 34 °F
Slight Chance
Showers then
Slight Chance
Rain/Snow
Tuesday
High: 53 °F
Slight Chance
Rain/Snow
then Slight
Chance
Showers
Tuesday Night
Low: 33 °F
Slight Chance
Showers then
Slight Chance
Rain/Snow
Wednesday
High: 53 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 62. Breezy, with a light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

Tonight

Showers and thunderstorms. Low around 40. South southwest wind 7 to 9 mph becoming north in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Rain, possibly mixed with snow showers, becoming all rain after noon. High near 50. Northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 100%. Little or no snow accumulation expected.

Sunday Night

Rain and snow showers. Low around 34. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Columbus Day

Rain and snow showers likely before 3pm, then a chance of rain showers. Mostly cloudy, with a high near 51. North wind 5 to 8 mph becoming calm in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday Night

A slight chance of rain showers before 3am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. South wind 3 to 5 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of rain and snow showers before noon, then a slight chance of rain showers. Partly sunny, with a high near 53. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

Tuesday Night

A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 53.

Wednesday Night

A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Partly cloudy, with a low around 32. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 54.

Thursday Night

Partly cloudy, with a low around 30.

Friday

Sunny, with a high near 61.