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.

42°F

6°C

Humidity	84%
Wind Speed	W 3 MPH
Barometer	29.52 in (999.66 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	11 Oct 12:45 PM MDT

More Information:

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

Extended Forecast for

16 Miles NW West Yellowstone MT

Winter Weather Advisory October 11, 01:03pm until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory October 11, 01:03pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Weather Advisory
This Afternoon
High: 42 °F
Rain
Tonight
Low: 28 °F
Rain/Snow
then Chance
Snow
Columbus Day
High: 40 °F
Chance
Rain/Snow
Monday Night
Low: 29 °F
Mostly Cloudy
then Slight
Chance Snow
Tuesday
High: 43 °F
Partly Sunny
Tuesday Night
Low: 25 °F
Partly Cloudy
Wednesday
High: 52 °F
Sunny
Wednesday Night
Low: 27 °F
Mostly Clear

Detailed Forecast

This Afternoon

Rain. High near 42. Light north wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain and snow before midnight, then a chance of snow between midnight and 5am. Low around 28. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Columbus Day

A chance of rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm. Cloudy, with a high near 40. Light south wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night

A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 29. South wind around 5 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 43. Light north wind.

Tuesday Night

Partly cloudy, with a low around 25. North wind 5 to 7 mph becoming calm after midnight.

Wednesday

Sunny, with a high near 52. Calm wind.

Wednesday Night

Mostly clear, with a low around 27. Calm wind becoming northwest around 5 mph.

Thursday

Sunny, with a high near 55.