Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

34°F

1°C

Humidity	55%
Wind Speed	ESE 3 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	09 Dec 05:15 PM MST

More Information:

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

Extended Forecast for

15 Miles NNW Lincoln MT

Tonight
Low: 21 °F
Slight Chance
Snow then
Heavy Snow
Wednesday
High: 36 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 33 °F
Rain/Snow and
Breezy
Thursday
High: 34 °F
Heavy Snow
and Breezy
Thursday Night
Low: 27 °F
Snow
Friday
High: 33 °F
Heavy Snow
Friday Night
Low: 24 °F
Snow Likely
Saturday
High: 29 °F
Chance Snow
Saturday Night
Low: 26 °F
Slight Chance
Snow

Detailed Forecast

Tonight

Snow, mainly after 2am. The snow could be heavy at times. Low around 21. West southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Rain and snow before 3pm, then rain between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. The snow could be heavy at times. High near 36. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Rain, possibly mixed with snow before 8pm, then rain between 8pm and 11pm, then rain and snow likely after 11pm. Snow level 7800 feet lowering to 7200 feet after midnight . Low around 33. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

Snow. The snow could be heavy at times. High near 34. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Thursday Night

Snow. Low around 27. West wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow. The snow could be heavy at times. High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.

Saturday

A chance of snow, mainly before 11am. Partly sunny, with a high near 29.

Saturday Night

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

Sunday

A chance of snow, mainly after 11am. Partly sunny, with a high near 32.

Sunday Night

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