Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Jackson, Jackson Hole Airport (KJAC)

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

light snow

36°F

2°C

Humidity	80%
Wind Speed	S 17 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	30°F (-1°C)
Visibility	9.00 mi
Wind Chill	26°F (-3°C)
Last update	09 Dec 03:35 AM MST

More Information:

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

Extended Forecast for

8 Miles NNW Moose WY

Winter Storm Warning December 9, 05:00am until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight
Low: 27 °F
Heavy Snow
and Blowing
Snow
Tuesday
High: 28 °F⇓
Heavy Snow
and Blowing
Snow
Tuesday Night
Low: 22 °F
Heavy Snow
and Windy
Wednesday
High: 30 °F
Heavy Snow
and Very
Windy
Wednesday Night
Low: 21 °F
Chance Snow
and Windy
Thursday
High: 24 °F
Chance Snow
and Windy
Thursday Night
Low: 20 °F
Chance Snow
and Windy
Friday
High: 23 °F
Chance Snow
and Breezy
Friday Night
Low: 18 °F
Mostly Cloudy
and Breezy

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 27. Very windy, with a west southwest wind around 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

Tuesday

Snow. The snow could be heavy at times. Widespread blowing snow. Temperature falling to around 22 by 4pm. Very windy, with a west wind 34 to 39 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 22. Windy, with a west southwest wind 25 to 34 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 30. Very windy, with a west southwest wind 31 to 36 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Wednesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 21. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 45 mph. New snow accumulation of less than one inch possible.

Thursday

A 40 percent chance of snow. Partly sunny, with a high near 24. Windy, with a west southwest wind 20 to 29 mph, with gusts as high as 37 mph.

Thursday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 20. Windy, with a west southwest wind 21 to 28 mph, with gusts as high as 36 mph.

Friday

A 30 percent chance of snow. Partly sunny, with a high near 23. Breezy.

Friday Night

Mostly cloudy, with a low around 18. Breezy.

Saturday

Mostly sunny, with a high near 23. Breezy.

Saturday Night

Partly cloudy, with a low around 14. Breezy.

Sunday

A slight chance of snow showers. Mostly sunny, with a high near 21. Breezy.

Sunday Night

A slight chance of snow showers. Partly cloudy, with a low around 15. Breezy.