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 in effect from October 10, 06:00 PM MDT until October 12, 06:00 AM MDT

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

unknown precip

33°F

1°C

Humidity	85%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	11 Oct 10:45 AM MDT

More Information:

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

Extended Forecast for

Helmville MT

Winter Storm Warning until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Today
High: 39 °F
Chance Snow
Tonight
Low: 17 °F
Snow and
Patchy Fog
Columbus Day
High: 44 °F
Chance Snow
and Patchy
Fog then
Mostly Sunny
Monday Night
Low: 16 °F
Patchy Fog
Tuesday
High: 51 °F
Areas Fog
then Sunny
Tuesday Night
Low: 18 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 54 °F
Areas Fog
then Sunny
Wednesday Night
Low: 22 °F
Partly Cloudy

Detailed Forecast

Today

A chance of snow before 1pm, then a chance of snow after 2pm. Cloudy, with a high near 39. East northeast wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow, mainly before 5am. Patchy fog after 5am. Low around 17. East northeast wind 6 to 11 mph becoming light north northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Columbus Day

A 30 percent chance of snow before 8am. Patchy fog before 10am. Snow level rising to 5900 feet in the afternoon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 44. Calm wind. New snow accumulation of less than a half inch possible.

Monday Night

Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 16. Calm wind.

Tuesday

Areas of fog before 10am. Otherwise, sunny, with a high near 51. Calm wind.

Tuesday Night

Patchy fog after 2am. Otherwise, mostly clear, with a low around 18.

Wednesday

Areas of fog before 10am. Otherwise, sunny, with a high near 54.

Wednesday Night

Partly cloudy, with a low around 22.

Thursday

Sunny, with a high near 56.