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

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

33°F

1°C

Humidity	79%
Wind Speed	NNE 8 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Wind Chill	26°F (-3°C)
Last update	11 Oct 04:00 PM MDT

More Information:

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

Extended Forecast for

12 Miles NE East Helena MT

Winter Storm Warning October 11, 05:26pm until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 05:26pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
This Afternoon
High: 33 °F
Snow
Tonight
Low: 25 °F
Snow
Columbus Day
High: 36 °F
Mostly Cloudy
Monday Night
Low: 25 °F
Partly Cloudy
Tuesday
High: 41 °F
Mostly Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 50 °F
Sunny
Wednesday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

This Afternoon

Snow. High near 33. North wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.

Tonight

Snow, mainly before 3am. Low around 25. Northwest wind 5 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Columbus Day

Mostly cloudy, with a high near 36. Light and variable wind becoming south southwest around 5 mph.

Monday Night

Partly cloudy, with a low around 25. South southeast wind 3 to 6 mph.

Tuesday

Mostly sunny, with a high near 41. South wind around 5 mph becoming calm in the morning.

Tuesday Night

Mostly clear, with a low around 26. Calm wind becoming south around 5 mph after midnight.

Wednesday

Sunny, with a high near 50. South wind 3 to 5 mph.

Wednesday Night

Mostly clear, with a low around 31. Calm wind becoming south around 5 mph.