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

37°F

3°C

Humidity	74%
Wind Speed	S 12 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	26 Dec 01:05 AM MST

More Information:

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

Extended Forecast for

7 Miles NW Moose WY

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 17 °F
Snow Likely
and Blowing
Snow
Friday
High: 22 °F⇓
Heavy Snow
and Blowing
Snow
Friday Night
Low: 7 °F
Snow and
Blowing Snow
Saturday
High: 11 °F
Heavy Snow
and Very
Windy
Saturday Night
Low: -11 °F
Snow Likely
and Blustery
then Partly
Cloudy
Sunday
High: 0 °F
Cold
Sunday Night
Low: -9 °F
Mostly Clear
Monday
High: 8 °F
Cold
Monday Night
Low: -1 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow likely, mainly after 5am. Some thunder is also possible. Widespread blowing snow. Mostly cloudy, with a low around 17. Wind chill values as low as -5. Very windy, with a southwest wind 34 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Friday

Snow. The snow could be heavy at times. Some thunder is also possible. Widespread blowing snow. Temperature falling to around 12 by 5pm. Wind chill values as low as -10. Very windy, with a southwest wind 34 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow. Widespread blowing snow before 11pm. Low around 7. Wind chill values as low as -15. Very windy, with a west southwest wind 33 to 40 mph, with gusts as high as 55 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 11. Wind chill values as low as -25. Very windy, with a west southwest wind 40 to 45 mph decreasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 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 -11. Blustery, with a northwest wind 13 to 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

Sunny and cold, with a high near 0. West wind 9 to 11 mph.

Sunday Night

Mostly clear, with a low around -9. West wind 9 to 11 mph.

Monday

Sunny and cold, with a high near 8.

Monday Night

Partly cloudy, with a low around -1.

Tuesday

Mostly sunny, with a high near 14.

Tuesday Night

Partly cloudy, with a low around 3.