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

Monarch Canyon US-89 MP 53.5 (MTMON)

Lat: 47.1429°NLon: 110.82309°WElev: 5197.0ft.

light snow

27°F

-3°C

Humidity	81%
Wind Speed	NNW 7 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	11 Oct 03:30 PM MDT

More Information:

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

Extended Forecast for

9 Miles NNW Monarch MT

Winter Storm Warning October 11, 03:49pm until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 03:49pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
This Afternoon
High: 31 °F
Snow
Tonight
Low: 27 °F
Heavy Snow
Columbus Day
High: 32 °F
Chance Snow
then Mostly
Cloudy
Monday Night
Low: 22 °F
Decreasing
Clouds
Tuesday
High: 41 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 47 °F
Sunny
Wednesday Night
Low: 32 °F
Mostly Clear

Detailed Forecast

This Afternoon

Snow. High near 31. Northeast wind around 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow, mainly before 5am. The snow could be heavy at times. Steady temperature around 27. Northeast wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Columbus Day

A 30 percent chance of snow, mainly before 7am. Cloudy, with a high near 32. West northwest wind around 5 mph becoming light and variable in the afternoon. New snow accumulation of less than a half inch possible.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 22. South wind 3 to 8 mph.

Tuesday

Sunny, with a high near 41. South wind 5 to 8 mph.

Tuesday Night

Mostly clear, with a low around 25. Calm wind becoming south 5 to 7 mph in the evening.

Wednesday

Sunny, with a high near 47. South wind 5 to 10 mph becoming light south southwest in the afternoon.

Wednesday Night

Mostly clear, with a low around 32. South southwest wind 6 to 11 mph becoming light southwest after midnight.

Thursday

Sunny, with a high near 48.