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 Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

light snow,mist

31°F

-1°C

Humidity	92%
Wind Speed	W 8 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	29°F (-2°C)
Visibility	2.00 mi
Wind Chill	24°F (-4°C)
Last update	11 Oct 06:38 AM MDT

More Information:

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

Extended Forecast for

Montana City MT

Winter Storm Warning October 11, 06:50am until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 06:50am until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Today
High: 31 °F
Snow
Tonight
Low: 23 °F
Snow
Columbus Day
High: 39 °F
Chance Snow
then Partly
Sunny
Monday Night
Low: 20 °F
Partly Cloudy
Tuesday
High: 46 °F
Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 51 °F
Sunny
Wednesday Night
Low: 29 °F
Mostly Clear

Detailed Forecast

Today

Snow. High near 31. North northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow. Low around 23. North northwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Columbus Day

A 50 percent chance of snow before 8am. Mostly cloudy, with a high near 39. Light north wind. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 20. Light south southwest wind.

Tuesday

Sunny, with a high near 46. Light and variable wind.

Tuesday Night

Mostly clear, with a low around 23. Light south southwest wind.

Wednesday

Sunny, with a high near 51. Light south wind.

Wednesday Night

Mostly clear, with a low around 29. Calm wind becoming southwest 5 to 7 mph in the evening.

Thursday

Mostly sunny, with a high near 50.