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.

36°F

2°C

Humidity	64%
Wind Speed	S 7 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	25 Dec 11:30 PM MST

More Information:

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

Extended Forecast for

14 Miles SSW 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

Tonight
Low: 20 °F
Chance Snow
and Patchy
Blowing Snow
Friday
High: 22 °F
Snow Likely
and Blowing
Snow
Friday Night
Low: 7 °F
Heavy Snow
and Blowing
Snow
Saturday
High: 9 °F
Snow and
Blowing Snow
Saturday Night
Low: -4 °F
Partly Cloudy
Sunday
High: 9 °F
Cold
Sunday Night
Low: 3 °F
Mostly Clear
Monday
High: 19 °F
Mostly Sunny
Monday Night
Low: 13 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of snow, mainly after 2am. Patchy blowing snow. Mostly cloudy, with a low around 20. South southwest wind around 21 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow likely, mainly between 9am and 2pm. Patchy blowing snow before 8am, then widespread blowing snow after 9am. Mostly cloudy, with a high near 22. Wind chill values as low as -3. Windy, with a southwest wind 22 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow. Low around 7. Wind chill values as low as -17. Windy, with a west wind 31 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Saturday

Snow. Widespread blowing snow before 2pm. High near 9. Wind chill values as low as -18. Windy, with a west wind 27 to 37 mph decreasing to 17 to 27 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Partly cloudy, with a low around -4. West wind 10 to 14 mph, with gusts as high as 20 mph.

Sunday

Mostly sunny and cold, with a high near 9.

Sunday Night

Mostly clear, with a low around 3.

Monday

Mostly sunny, with a high near 19.

Monday Night

Mostly cloudy, with a low around 13.

Tuesday

Mostly cloudy, with a high near 25.