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

36°F

2°C

Humidity	85%
Wind Speed	SW 8 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	25 Dec 06:56 PM MST

More Information:

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

Extended Forecast for

6 Miles WNW Moose WY

Winter Weather Advisory December 26, 05:00am until December 26, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 23 °F
Snow Showers
Likely and
Patchy
Blowing Snow
Friday
High: 26 °F⇓
Heavy Snow
and Blowing
Snow
Friday Night
Low: 14 °F
Snow Showers
and Areas
Blowing Snow
Saturday
High: 17 °F
Heavy Snow
and Breezy
Saturday Night
Low: -5 °F
Snow Showers
Likely then
Partly Cloudy
Sunday
High: 9 °F
Cold
Sunday Night
Low: -4 °F
Mostly Clear
Monday
High: 16 °F
Sunny
Monday Night
Low: 4 °F
Mostly Clear

Detailed Forecast

Tonight

Snow showers likely, mainly between 10pm and 3am. Some thunder is also possible. Patchy blowing snow after 1am. Mostly cloudy, with a low around 23. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Friday

Snow showers. The snow could be heavy at times. Some thunder is also possible. Widespread blowing snow, mainly between noon and 5pm. Temperature rising to near 26 by 11am, then falling to around 19 during the remainder of the day. Windy, with a southwest wind 21 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow showers. Some thunder is also possible. Areas of blowing snow before 11pm. Low around 14. Wind chill values as low as zero. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 17. Wind chill values as low as -5. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Saturday Night

Snow showers likely before 11pm. Partly cloudy, with a low around -5. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday

Sunny and cold, with a high near 9. West wind 3 to 5 mph.

Sunday Night

Mostly clear, with a low around -4. Light northwest wind.

Monday

Sunny, with a high near 16.

Monday Night

Mostly clear, with a low around 4.

Tuesday

Partly sunny, with a high near 22.

Tuesday Night

Partly cloudy, with a low around 11.