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.

32°F

0°C

Humidity	91%
Wind Speed	NNE 8 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	11 Oct 10:00 AM MDT

More Information:

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

Extended Forecast for

5 Miles NNW Helena MT

Winter Storm Warning October 11, 10:32am until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 10:32am until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Today
High: 31 °F
Snow Likely
then Snow
Tonight
Low: 23 °F
Snow and
Patchy
Blowing Snow
Columbus Day
High: 38 °F
Snow Likely
then Partly
Sunny
Monday Night
Low: 22 °F
Partly Cloudy
Tuesday
High: 44 °F
Mostly Sunny
Tuesday Night
Low: 22 °F
Mostly Clear
Wednesday
High: 49 °F
Sunny
Wednesday Night
Low: 27 °F
Mostly Clear

Detailed Forecast

Today

Snow. High near 31. North wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow. Patchy blowing snow between 8pm and 3am. Low around 23. North wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Columbus Day

Snow likely, mainly before 7am. Mostly cloudy, with a high near 38. Northwest wind 5 to 7 mph becoming light and variable 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 22. Calm wind becoming west southwest around 5 mph.

Tuesday

Mostly sunny, with a high near 44. Calm wind.

Tuesday Night

Mostly clear, with a low around 22. Calm wind becoming southwest around 5 mph.

Wednesday

Sunny, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 27. Light southwest wind becoming west southwest 5 to 9 mph in the evening.

Thursday

Mostly sunny, with a high near 49.