Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Georgetown Lake (MTGTL)

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

29°F

-2°C

Humidity	70%
Wind Speed	ENE 2 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	26 Dec 03:15 AM MST

More Information:

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

Extended Forecast for

11 Miles SSE Georgetown MT

Wind Advisory December 26, 06:00am until December 27, 05:00am

Winter Weather Advisory December 27, 05:00am until December 27, 08:00pm

Click here for hazard details and duration

Wind Advisory

Winter Weather Advisory

Overnight
Low: 18 °F
Slight Chance
Snow and
Patchy
Blowing Snow
Friday
High: 21 °F
Heavy Snow
and Blowing
Snow
Friday Night
Low: 4 °F
Heavy Snow
and Blowing
Snow
Saturday
High: 7 °F
Snow and
Blowing Snow
Saturday Night
Low: -6 °F
Partly Cloudy
Sunday
High: 7 °F
Cold
Sunday Night
Low: 1 °F
Mostly Clear
Monday
High: 17 °F
Mostly Sunny
Monday Night
Low: 11 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 18. Breezy, with a southwest wind around 22 mph, with gusts as high as 29 mph.

Friday

Snow likely, mainly between 9am and 1pm. The snow could be heavy at times. Widespread blowing snow. Mostly cloudy, with a high near 21. Wind chill values as low as -8. Windy, with a south southwest wind 23 to 28 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly after midnight. The snow could be heavy at times. Widespread blowing snow. Low around 4. Wind chill values as low as -19. Windy, with a west southwest wind 34 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. Widespread blowing snow, mainly before 2pm. High near 7. Wind chill values as low as -22. Windy, with a west wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Partly cloudy, with a low around -6. West wind around 17 mph, with gusts as high as 24 mph.

Sunday

Mostly sunny and cold, with a high near 7.

Sunday Night

Mostly clear, with a low around 1.

Monday

Mostly sunny, with a high near 17.

Monday Night

Mostly cloudy, with a low around 11.

Tuesday

Mostly cloudy, with a high near 23.