Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 27, 05:00 AM MST until December 27, 08:00 PM MST

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

25°F

-4°C

Humidity	65%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Last update	27 Dec 07:45 AM MST

More Information:

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

Extended Forecast for

10 Miles NNE Ovando MT

Winter Weather Advisory until December 27, 08:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 27, 08:00pm
NOW until 8:00pm Sat
Winter Weather Advisory
Today
High: 13 °F⇓
Snow Likely
and Areas
Blowing Snow
Tonight
Low: -1 °F
Slight Chance
Snow then
Partly Cloudy
Sunday
High: 11 °F
Mostly Sunny
Sunday Night
Low: 8 °F
Partly Cloudy
Monday
High: 20 °F
Partly Sunny
Monday Night
Low: 15 °F
Mostly Cloudy
Tuesday
High: 25 °F
Partly Sunny
Tuesday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Today

Snow likely, mainly before 5pm. Areas of blowing snow before 2pm. Mostly cloudy, with a temperature rising to near 13 by 11am, then falling to around 6 during the remainder of the day. Wind chill values as low as -9. Breezy, with a west wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A 10 percent chance of snow before 7pm. Partly cloudy, with a low around -1. Wind chill values as low as -15. West wind 8 to 10 mph.

Sunday

Mostly sunny, with a high near 11. Wind chill values as low as -13. West wind around 8 mph.

Sunday Night

Partly cloudy, with a low around 8. Wind chill values as low as -4. West wind around 8 mph.

Monday

Partly sunny, with a high near 20. West southwest wind around 8 mph.

Monday Night

Mostly cloudy, with a low around 15.

Tuesday

Partly sunny, with a high near 25.