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.

unknown precip

28°F

-2°C

Humidity	89%
Wind Speed	SE 0 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	10 Dec 01:30 AM MST

More Information:

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

Extended Forecast for

19 Miles W Georgetown MT

Overnight
Low: 23 °F
Heavy Snow
and Breezy
Wednesday
High: 34 °F
Breezy.
Rain/Snow
then
Rain/Snow
Likely
Wednesday Night
Low: 30 °F
Windy. Slight
Chance
Rain/Snow
then Slight
Chance Snow
Thursday
High: 34 °F
Rain/Snow and
Windy
Thursday Night
Low: 30 °F
Snow
Friday
High: 32 °F
Snow Likely
then Chance
Snow
Friday Night
Low: 29 °F
Breezy.
Slight Chance
Snow then
Mostly Cloudy
Saturday
High: 34 °F
Slight Chance
Snow then
Mostly Sunny
Saturday Night
Low: 27 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 23. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Wednesday

Rain and snow, mainly before 1pm. High near 34. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

A slight chance of rain and snow before 10pm, then a slight chance of snow after 3am. Mostly cloudy, with a low around 30. Windy, with a west southwest wind 24 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.

Thursday

Snow likely before 11am, then rain and snow between 11am and 2pm, then snow after 2pm. High near 34. Windy, with a west southwest wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow. Low around 30. West wind 16 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 29. Breezy.

Saturday

A slight chance of snow before 11am. Mostly sunny, with a high near 34.

Saturday Night

Partly cloudy, with a low around 27.

Sunday

Mostly sunny, with a high near 34.

Sunday Night

Partly cloudy, with a low around 27.