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.

Rain

34°F

1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	34°F (1°C)
Visibility	8.00 mi
Last update	24 Dec 10:08 PM MST

More Information:

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

Extended Forecast for

5 Miles WNW Moose WY

Winter Weather Advisory December 24, 11:00pm until December 25, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 31 °F
Snow Showers
and Breezy
Christmas Day
High: 28 °F⇓
Snow Showers
Likely and
Windy
Thursday Night
Low: 21 °F
Snow Showers
and Breezy
Friday
High: 22 °F
Heavy Snow
and Breezy
Friday Night
Low: 10 °F
Snow Showers
and Breezy
Saturday
High: 13 °F
Snow Showers
and Breezy
Saturday Night
Low: -6 °F
Chance Snow
Showers and
Breezy then
Mostly Cloudy
Sunday
High: 8 °F
Cold
Sunday Night
Low: -2 °F
Mostly Clear

Detailed Forecast

Tonight

Snow showers. Some thunder is also possible. Steady temperature around 31. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Christmas Day

Snow showers likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a temperature falling to around 22 by 5pm. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow showers. Some thunder is also possible. Low around 21. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Wind chill values as low as zero. Breezy, with a southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow showers. Low around 10. Breezy, with a west southwest wind around 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow showers. Some thunder is also possible. High near 13. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

Saturday Night

A 50 percent chance of snow showers before 11pm. Mostly cloudy, with a low around -6. Breezy, with a west northwest wind 9 to 15 mph, with gusts as high as 25 mph.

Sunday

Sunny and cold, with a high near 8.

Sunday Night

Mostly clear, with a low around -2.

Monday

Sunny, with a high near 15.

Monday Night

Mostly clear, with a low around 4.

Tuesday

Mostly sunny, with a high near 21.

Tuesday Night

Partly cloudy, with a low around 10.