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, areas of urban and river flooding, landslides, heavy mountain snow, and 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 >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

28°F

-2°C

Humidity	79%
Wind Speed	NE 4 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	23°F (-5°C)
Last update	09 Dec 07:45 PM MST

More Information:

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

Extended Forecast for

22 Miles ENE Sula MT

Tonight
Low: 22 °F⇑
Heavy Snow
Wednesday
High: 34 °F
Rain/Snow
then Chance
Rain/Snow
Wednesday Night
Low: 31 °F
Chance
Rain/Snow
Thursday
High: 34 °F
Rain/Snow
Likely
Thursday Night
Low: 31 °F
Snow Likely
Friday
High: 33 °F
Snow Likely
then Chance
Snow
Friday Night
Low: 26 °F
Chance Snow
Saturday
High: 30 °F
Slight Chance
Snow then
Mostly Sunny
Saturday Night
Low: 25 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow, mainly after 9pm. The snow could be heavy at times. Temperature falling to near 22 by 10pm, then rising to around 31 during the remainder of the night. West southwest wind 7 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.

Wednesday

Snow before 11am, then rain and snow likely. High near 34. West southwest wind 17 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A chance of rain and snow before 5am, then a chance of snow. Mostly cloudy, with a low around 31. West southwest wind 17 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

Snow likely, possibly mixed with rain, becoming all snow after 2pm. Cloudy, with a high near 34. West southwest wind 17 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely. Cloudy, with a low around 31. West wind 14 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely, mainly before 11am. Cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.

Saturday

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

Saturday Night

Partly cloudy, with a low around 25.

Sunday

A slight chance of snow. Partly sunny, with a high near 32.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 25.