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 >

Hazardous Weather Conditions

Winter Weather Advisory until October 12, 06:00 AM MDT

Current conditions at

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6566.77ft.

41°F

5°C

Humidity	84%
Wind Speed	WSW 0 MPH
Barometer	29.55 in (1000.68 mb)
Dewpoint	36°F (2°C)
Visibility	NA
Last update	11 Oct 11:15 AM MDT

More Information:

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

Extended Forecast for

8 Miles NNW West Yellowstone MT

Winter Weather Advisory October 11, 11:42am until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory October 11, 11:42am until October 12, 06:00am
NOW until 6:00am Mon
Winter Weather Advisory
Today
High: 45 °F
Rain
Tonight
Low: 26 °F
Rain then
Rain/Snow
Columbus Day
High: 46 °F
Chance
Rain/Snow
then Chance
Rain
Monday Night
Low: 27 °F
Mostly Cloudy
Tuesday
High: 50 °F
Partly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
then Slight
Chance
Rain/Snow
Wednesday
High: 52 °F
Mostly Sunny
Wednesday Night
Low: 25 °F
Partly Cloudy

Detailed Forecast

Today

Rain. High near 45. East southeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain, possibly mixed with snow, becoming all snow after 4am. Low around 26. North wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Columbus Day

A chance of rain and snow before noon, then a chance of rain between noon and 3pm. Cloudy, with a high near 46. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday Night

Mostly cloudy, with a low around 27. South wind around 5 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 50. Calm wind.

Tuesday Night

A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 24. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 52. Calm wind.

Wednesday Night

Partly cloudy, with a low around 25. Light and variable wind.

Thursday

Sunny, with a high near 53.

Thursday Night

Mostly clear, with a low around 23.

Friday

Sunny, with a high near 57.

Friday Night

Mostly clear, with a low around 26.