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.

29°F

-2°C

Humidity	75%
Wind Speed	SSE 1 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	09 Dec 06:45 PM MST

More Information:

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

Extended Forecast for

17 Miles SW Georgetown MT

Tonight
Low: 28 °F⇑
Snow then
Rain/Snow
Wednesday
High: 42 °F
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 36 °F
Chance Rain
then Chance
Rain/Snow
Thursday
High: 42 °F
Rain/Snow
Likely
Thursday Night
Low: 36 °F
Rain/Snow
Likely
Friday
High: 41 °F
Rain/Snow
Likely
Friday Night
Low: 31 °F
Chance
Rain/Snow
then Chance
Snow
Saturday
High: 39 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 29 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow before 5am, then rain, possibly mixed with snow. Temperature falling to near 28 by 10pm, then rising to around 36 during the remainder of the night. Light south southwest wind becoming southwest 12 to 17 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Rain, possibly mixed with snow, becoming all rain after 8am. High near 42. Southwest wind 16 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Southwest wind around 17 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday

A chance of rain and snow before 8am, then a chance of rain between 8am and 11am, then rain likely, possibly mixed with snow after 11am. Mostly cloudy, with a high near 42. West southwest wind 15 to 17 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

Rain and snow likely. Cloudy, with a low around 36. West southwest wind 6 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain and snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

A slight chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow before 11am. Partly sunny, with a high near 39.

Saturday Night

Partly cloudy, with a low around 29.

Sunday

A slight chance of snow. Partly sunny, with a high near 42.

Sunday Night

Mostly cloudy, with a low around 29.

Monday

A slight chance of snow. Partly sunny, with a high near 42.

Monday Night

A chance of snow. Mostly cloudy, with a low around 31.