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

Jackson, Jackson Hole Airport (KJAC)

Lat: 43.6°NLon: 110.73333°WElev: 6450.0ft.

Overcast

36°F

2°C

Humidity	74%
Wind Speed	S 10 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	26 Dec 04:50 AM MST

More Information:

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

Extended Forecast for

7 Miles NNW Moose WY

Winter Weather Advisory until December 26, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 26, 11:00pm
NOW until 11:00pm Fri
Winter Weather Advisory
Overnight
Low: 19 °F
Snow Likely
and Blowing
Snow
Friday
High: 22 °F⇓
Heavy Snow
and Blowing
Snow
Friday Night
Low: 9 °F
Snow and
Blowing Snow
Saturday
High: 13 °F
Heavy Snow
and Very
Windy
Saturday Night
Low: -8 °F
Snow Likely
and Blustery
then Partly
Cloudy
Sunday
High: 3 °F
Cold
Sunday Night
Low: -6 °F
Mostly Clear
Monday
High: 11 °F
Sunny

Detailed Forecast

Overnight

Snow likely. Some thunder is also possible. Widespread blowing snow. Mostly cloudy, with a low around 19. Windy, with a southwest wind around 33 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow. The snow could be heavy at times. Some thunder is also possible. Widespread blowing snow. Temperature falling to around 13 by 5pm. Wind chill values as low as -10. Windy, with a southwest wind 31 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow. Widespread blowing snow before 11pm. Low around 9. Wind chill values as low as -15. Very windy, with a west southwest wind 32 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow. The snow could be heavy at times. Some thunder is also possible. High near 13. Wind chill values as low as -20. Very windy, with a west southwest wind 36 to 41 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Saturday Night

Snow likely before 11pm. Partly cloudy, with a low around -8. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

Sunny and cold, with a high near 3. West wind 7 to 9 mph.

Sunday Night

Mostly clear, with a low around -6. West wind 7 to 9 mph.

Monday

Sunny, with a high near 11.

Monday Night

Mostly clear, with a low around 2.

Tuesday

Mostly sunny, with a high near 17.

Tuesday Night

Partly cloudy, with a low around 6.