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 Storm Warning until October 12, 06:00 AM MDT

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

unknown precip

32°F

0°C

Humidity	NA
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

8 Miles SW Cascade MT

Winter Storm Warning October 11, 09:54am until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 09:54am until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Today
High: 33 °F
Heavy Snow
then
Rain/Snow
Tonight
Low: 25 °F
Rain/Snow
then Snow
Columbus Day
High: 41 °F
Rain/Snow
Likely then
Mostly Cloudy
Monday Night
Low: 21 °F
Partly Cloudy
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 50 °F
Sunny
Wednesday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Today

Snow before 3pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 33. North northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 6 inches possible.

Tonight

Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 25. North wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Columbus Day

Snow likely, possibly mixing with rain after 9am, then gradually ending. Mostly cloudy, with a high near 41. North wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 21. South southwest wind 7 to 11 mph.

Tuesday

Sunny, with a high near 48. South southwest wind 6 to 11 mph becoming light southwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 26. Light south southwest wind increasing to 5 to 10 mph in the evening.

Wednesday

Sunny, with a high near 50. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 30. South southwest wind 6 to 10 mph.

Thursday

Mostly sunny, with a high near 51.