Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Winter Storm Warning until October 12, 06:00 AM MDT

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

31°F

-1°C

Humidity	85%
Wind Speed	NW 3 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	12 Oct 12:53 AM MDT

More Information:

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

Extended Forecast for

7 Miles S Marysville MT

Winter Storm Warning October 12, 01:48am until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 12, 01:48am until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Overnight
Low: 27 °F
Snow Likely
Columbus Day
High: 33 °F
Chance Snow
then Mostly
Cloudy
Monday Night
Low: 24 °F
Partly Cloudy
Tuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 25 °F
Partly Cloudy
Wednesday
High: 45 °F
Sunny
Wednesday Night
Low: 33 °F
Partly Cloudy
Thursday
High: 48 °F
Sunny

Detailed Forecast

Overnight

Snow likely, mainly before 3am. Cloudy, with a steady temperature around 27. North wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 7 inches possible.

Columbus Day

A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 33. North northeast wind around 5 mph becoming calm in the afternoon. Little or no snow accumulation expected.

Monday Night

Partly cloudy, with a low around 24. Light west wind increasing to 5 to 10 mph in the evening.

Tuesday

Mostly sunny, with a high near 40. West wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 25. West southwest wind 5 to 9 mph.

Wednesday

Sunny, with a high near 45. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.

Wednesday Night

Partly cloudy, with a low around 33. West wind 7 to 11 mph.

Thursday

Sunny, with a high near 48. West wind around 5 mph becoming light and variable in the morning.