Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 10, 12:00 AM MST until December 10, 11:00 AM MST

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

39°F

4°C

Humidity	46%
Wind Speed	WNW 7 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	09 Dec 02:30 PM MST

More Information:

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

Extended Forecast for

14 Miles NNE Ovando MT

Winter Weather Advisory December 10, 12:00am until December 10, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 33 °F
Mostly Sunny
and Breezy
Tonight
Low: 23 °F
Slight Chance
Snow then
Heavy Snow
Wednesday
High: 37 °F
Rain/Snow
Wednesday Night
Low: 35 °F
Rain/Snow and
Breezy
Thursday
High: 35 °F
Rain/Snow and
Breezy then
Heavy Snow
Thursday Night
Low: 29 °F
Heavy Snow
Friday
High: 34 °F
Heavy Snow
then
Rain/Snow
Friday Night
Low: 26 °F
Rain/Snow
Likely then
Snow Likely
Saturday
High: 30 °F
Chance Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 33. Breezy, with a west wind around 22 mph, with gusts as high as 37 mph.

Tonight

Snow, mainly after midnight. The snow could be heavy at times. Low around 23. Southwest wind 7 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Rain and snow. The snow could be heavy at times. Snow level rising to 8100 feet in the afternoon. High near 37. West southwest wind around 18 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Rain and snow, becoming all snow after 5am. Snow level 7800 feet lowering to 7100 feet after midnight . Low around 35. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Snow before 8am, then rain and snow between 8am and 11am, then snow after 11am. The snow could be heavy at times. High near 35. Breezy, with a west wind 16 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 29. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow before 2pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 34. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 26.

Saturday

A chance of snow, mainly before 11am. Partly sunny, with a high near 30.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 26.

Sunday

A chance of snow. Partly sunny, with a high near 34.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 28.

Monday

A chance of snow. Partly sunny, with a high near 35.